:root {
  --font-family-ui: "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #262421;
  --panel: rgba(49, 46, 43, 0.94);
  --panel-border: rgba(96, 92, 87, 0.82);
  --text: #d7d7d6;
  --muted: #a8a6a2;
  --accent: #a44a3f;
  --accent-dark: #7b3028;
  --green: #2f6f4f;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
  --light-square: #f0d9b5;
  --dark-square: #b58863;
  --board-frame: #2f2c29;
  --board-frame-border: #4d4945;
  --control-bg: #3c3836;
  --control-border: rgba(96, 92, 87, 0.42);
  --button-primary-bg: var(--green);
  --button-primary-border: color-mix(in srgb, var(--green) 72%, #ffffff 28%);
  --button-secondary-bg: rgba(63, 59, 55, 0.92);
  --button-secondary-border: rgba(130, 126, 121, 0.44);
  --button-secondary-text: var(--text);
  --button-ghost-border: rgba(130, 126, 121, 0.34);
  --button-danger-bg: color-mix(in srgb, var(--accent) 84%, #7b3028 16%);
  --button-danger-border: color-mix(in srgb, var(--accent) 76%, #ffffff 24%);
  --button-text: #fff;
  --button-radius: 12px;
  --button-padding-y: 8px;
  --button-padding-x: 10px;
  --control-height-sm: 34px;
  --control-height-md: 40px;
  --control-height-lg: 48px;
  --icon-button-size-sm: 42px;
  --icon-button-size-md: 50px;
  --icon-button-size-lg: 58px;
  --font-size-control: 0.78rem;
  --font-size-control-sm: 0.72rem;
  --font-size-modal-title: 1rem;
  --font-size-modal-title-main: 1.05rem;
  --font-size-modal-copy: 0.86rem;
  --modal-overlay-bg: #211f1c;
  --modal-card-bg: rgba(58, 54, 50, 0.97);
  --modal-card-border: rgba(96, 92, 87, 0.5);
  --modal-card-radius: 18px;
  --modal-card-padding: 16px;
  --modal-card-gap: 12px;
  --modal-card-padding-tight: 14px;
  --modal-card-gap-tight: 10px;
  --modal-card-padding-canvas: 10px;
  --modal-card-gap-canvas: 10px;
  --modal-card-padding-desktop: 16px;
  --modal-card-gap-desktop: 10px;
  --modal-card-padding-roomy: 18px;
  --modal-card-gap-roomy: 14px;
  --modal-card-padding-mobile: 10px;
  --modal-card-gap-mobile: 8px;
  --modal-card-radius-mobile: 12px;
  --modal-action-gap: 8px;
  --modal-max-compact: 520px;
  --modal-max-wide: 760px;
  --modal-max-large: 860px;
  --modal-max-setup-desktop: 900px;
  --modal-max-xl: 980px;
  --modal-form-label-min: 168px;
  --modal-form-control-min: 120px;
  --modal-form-control-max: 250px;
  --modal-form-row-gap: 10px;
  --modal-panel-padding: 10px;
  --modal-panel-gap: 8px;
  --modal-panel-radius: 12px;
  --modal-panel-padding-desktop: 12px;
  --modal-panel-gap-desktop: 10px;
  --modal-panel-radius-desktop: 14px;
  --modal-form-gap-desktop: 8px;
  --modal-form-row-gap-desktop: 12px;
  --modal-action-gap-desktop: 10px;
  --modal-icon-button-size-desktop: 58px;
  --modal-control-height-desktop: 40px;
  --modal-control-height-roomy: 48px;
  --modal-control-padding-desktop: 8px 10px;
  --modal-control-padding-roomy: 10px 12px;
  --modal-control-padding-icon-roomy: 10px 8px;
  --modal-control-padding-comfort-desktop: 9px 11px;
  --modal-control-font-size-desktop: 0.82rem;
  --modal-control-font-size-roomy: 1rem;
  --modal-control-font-size-roomy-alt: 0.95rem;
  --modal-control-radius-desktop: 12px;
  --modal-copy-font-size-desktop: 0.9rem;
  --modal-copy-line-height-desktop: 1.36;
  --modal-detail-font-size-desktop: 0.8rem;
  --modal-detail-line-height-desktop: 1.38;
  --modal-support-font-size-desktop: 0.86rem;
  --modal-support-line-height-desktop: 1.24;
  --modal-helper-font-size-desktop: 0.68rem;
  --modal-helper-line-height-desktop: 1.22;
  --modal-label-font-size-desktop: 0.84rem;
  --modal-label-line-height-desktop: 1.24;
  --modal-emphasis-font-size-desktop: 0.9rem;
  --modal-inline-button-height-desktop: 34px;
  --modal-inline-button-padding-desktop: 6px 10px;
  --modal-inline-button-font-size-desktop: 0.76rem;
  --modal-inline-button-width-desktop: 72px;
  --font-size-modal-title-mobile: clamp(1.1rem, 6vw, 1.5rem);
  --line-height-modal-title-mobile: 1.1;
  --font-size-modal-copy-mobile: 0.92rem;
  --line-height-modal-copy-mobile: 1.28;
  --scrollbar-size: 8px;
  --scrollbar-thumb: rgba(130, 126, 121, 0.6);
}

@media (max-width: 920px) {
  body.webapp-standalone .app-shell {
    padding-top: 4px !important;
  }

  body.webapp-standalone #mainApp .hero {
    gap: 8px !important;
    align-content: start !important;
  }

  body.webapp-standalone #mainApp .hero-copy,
  body.webapp-standalone #mainApp .hero-actions {
    padding-top: 10px !important;
  }
}

@media (max-width: 920px) and (display-mode: standalone) {
  .app-shell {
    padding-top: 4px !important;
  }

  #mainApp .hero {
    gap: 8px !important;
  }

  #mainApp .hero-copy,
  #mainApp .hero-actions {
    padding-top: 10px !important;
  }
}

/* Keep full-canvas content popups truly angular (no rounded outer frame). */
#libraryModal > .full-canvas-content-modal-card,
#onlineGamesReviewModal > .full-canvas-content-modal-card,
#repertoireAnalysisModal > .full-canvas-content-modal-card,
#criticalPositionsReportModal > .full-canvas-content-modal-card {
  margin: 0 auto !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

* {
  box-sizing: border-box;
  scrollbar-width: none;
}

[hidden] {
  display: none !important;
}

*:hover {
  scrollbar-width: thin;
}

*::-webkit-scrollbar {
  width: 0;
  height: 0;
}

*:hover::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

*::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 999px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(92, 86, 80, 0.18), transparent 30%),
    linear-gradient(160deg, #1f1d1b 0%, #262421 42%, #181715 100%);
  font-size: 14px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Main page fit: no page-level scrollbar, internal hero scroll (hidden) if needed */
body:has(#mainApp:not([hidden])) {
  overflow: hidden;
}

#mainApp.app-shell {
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
}

#mainApp .dashboard {
  height: 100%;
  min-height: 0;
}

#mainApp .hero {
  height: 100%;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

#mainApp .hero::-webkit-scrollbar,
#mainApp .hero:hover::-webkit-scrollbar {
  width: 0;
  height: 0;
}

body.app-booting #authStartPage,
body.app-booting #mainApp {
  display: none !important;
}

#bootStatusPage .auth-card {
  text-align: center;
}

.auth-start-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.auth-card {
  width: min(420px, calc(100vw - 32px));
  max-width: calc(100vw - 32px);
  display: grid;
  gap: 10px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.auth-title {
  margin: 0;
  text-align: center;
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  letter-spacing: 0.08em;
}

.auth-subtitle {
  margin: 0;
  color: var(--muted);
  text-align: center;
}

.auth-field {
  grid-template-columns: 1fr;
}

.auth-panel {
  display: grid;
  gap: 10px;
}

.auth-panel[hidden] {
  display: none;
}

.auth-secondary-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.link-button {
  width: auto;
  min-height: 0;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  text-decoration: underline;
  box-shadow: none;
}

.link-button:hover {
  background: transparent;
  color: var(--text);
}

.auth-error {
  margin: 0;
  color: #e29a9a;
  font-size: 0.78rem;
}

.auth-lichess-row {
  display: grid;
  gap: 6px;
}

.auth-lichess-row .secondary-button {
  width: 100%;
}

.auth-lichess-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.25;
}

.landing-page {
  min-height: 100vh;
  background: #2d2926;
}

.landing-shell {
  width: min(1520px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 8px 0 18px;
  display: grid;
  gap: 8px;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 18px;
  row-gap: 0;
  padding: 10px 24px 4px;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  background: #2d2926;
}

.landing-hero-copy {
  display: grid;
  gap: 0;
  justify-items: start;
  align-content: start;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.landing-logo {
  display: block;
  width: min(620px, 100%);
  height: auto;
  justify-self: start;
  margin: -18px 0 -24px;
}

.landing-cta-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.landing-content-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 760px) minmax(0, 1fr);
  grid-template-areas: "left showcase right";
  align-items: start;
  gap: 14px;
}

.landing-login-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height-md);
  padding: var(--button-padding-y) var(--button-padding-x);
  border-radius: var(--button-radius);
  border: 1px solid var(--button-primary-border);
  text-decoration: none;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--green) 82%, #5f997a 18%) 0%, var(--green) 100%);
  color: var(--button-text);
  font-size: var(--font-size-control);
  line-height: 1;
  letter-spacing: 0;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.landing-support-button {
  min-height: 42px;
  padding: 10px 18px;
  font-size: 0.84rem;
  line-height: 1;
}

.landing-showcase-frame {
  grid-area: showcase;
  margin: 0;
  width: 100%;
  padding: 0;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  background: #2d2926;
  overflow: visible;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  row-gap: 6px;
}

.landing-showcase-tag-rail {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
}

.landing-showcase-gallery {
  position: relative;
  width: 100%;
  min-height: clamp(220px, 30vw, 570px);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #2d2926;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
  display: block;
}

.landing-showcase-tag {
  position: static;
  padding: 0;
  border: 0;
  background: transparent;
  color: color-mix(in srgb, var(--text) 92%, #ffffff 8%);
  font-size: clamp(1.35rem, 2vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.32);
}

.landing-showcase-layer {
  position: absolute;
  inset: 0;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0;
  transition: opacity 900ms ease;
  pointer-events: none;
  z-index: 1;
  will-change: opacity;
}

.landing-showcase-layer.is-active {
  opacity: 1;
}

.landing-showcase-dots {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0;
}

.landing-showcase-dot {
  display: block;
  width: 10px;
  min-width: 10px;
  max-width: 10px;
  height: 10px;
  min-height: 10px;
  max-height: 10px;
  border: 0;
  border-radius: 999px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(168, 166, 162, 0.38);
  padding: 0;
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease;
}

.landing-showcase-dot:hover,
.landing-showcase-dot:focus-visible {
  background: rgba(215, 215, 214, 0.72);
  transform: scale(1.08);
  outline: none;
}

.landing-showcase-dot.is-active {
  background: rgba(215, 215, 214, 0.96);
}

@media (prefers-reduced-motion: reduce) {
  .landing-showcase-layer {
    transition: none;
  }
}

.landing-feature-column {
  display: grid;
  gap: 16px;
}

.landing-feature-column--left {
  grid-area: left;
}

.landing-feature-column--right {
  grid-area: right;
}

.landing-feature-card {
  background: #2d2926;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  justify-content: flex-start;
  transition: background-color 220ms ease, box-shadow 220ms ease;
}

.landing-feature-card.is-active {
  background:
    linear-gradient(180deg, rgba(58, 54, 50, 0.96), rgba(45, 41, 38, 0.98));
  box-shadow:
    inset 3px 0 0 color-mix(in srgb, var(--green) 72%, #d8e4d4 28%),
    0 0 0 1px rgba(96, 92, 87, 0.22);
}

.landing-feature-card.is-active .landing-feature-kicker {
  color: color-mix(in srgb, var(--green) 70%, #e3efe6 30%);
}

.landing-feature-card.is-active h2 {
  color: #f0efec;
}

.landing-feature-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: color-mix(in srgb, var(--accent) 72%, #d8b09b 28%);
  font-size: 0.64rem;
}

.landing-feature-card h2 {
  margin: 0;
  font-size: clamp(1.04rem, 1.14vw, 1.22rem);
  line-height: 1.14;
}

.landing-feature-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: clamp(0.86rem, 0.93vw, 0.96rem);
  line-height: 1.46;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  line-clamp: 6;
  -webkit-box-orient: vertical;
}

@media (max-width: 1180px) {
  .landing-shell {
    width: min(100%, calc(100% - 24px));
  }

  .landing-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-cta-row {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .landing-content-band {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "showcase"
      "left"
      "right";
    gap: 12px;
  }
}

.landing-support-card {
  width: min(540px, calc(100vw - 24px));
  max-width: min(540px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding: 14px;
  gap: 10px;
}

.landing-support-field {
  grid-template-columns: 1fr;
}

.landing-support-field input,
.landing-support-field textarea {
  width: 100%;
}

.landing-support-status {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.28;
}

.landing-support-status.error {
  color: #e29a9a;
}

.landing-support-status.success {
  color: #7fe39f;
}

.landing-support-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  width: min(528px, calc(100vw - 18px));
  max-width: calc(100vw - 18px);
  margin: 0 auto;
  padding: 10px 0 14px;
}

/* Main page readability uplift (desktop only) without touching modal proportions */
@media (min-width: 921px) {
  #mainApp.app-shell {
    width: min(640px, calc(100% - 24px));
    padding: 14px 0 18px;
  }

  #mainApp .hero {
    gap: 16px;
  }

  #mainApp .hero-copy,
  #mainApp .hero-actions,
  #mainApp .hero-menu {
    padding: 18px;
  }

  #mainApp .hero-copy {
    padding: 12px 14px;
  }

  #mainApp .hero-title-inline {
    font-size: clamp(1.08rem, 1.75vw, 1.38rem);
    line-height: 1.16;
  }

  #mainApp .logout-button {
    min-width: 104px;
    padding: 8px 12px;
    font-size: 0.78rem;
    line-height: 1.15;
  }

  #mainApp .global-settings-button {
    min-width: 40px;
    width: 40px;
    padding: 8px 0;
    font-size: 0.95rem;
    line-height: 1;
  }

  #mainApp .global-help-button {
    min-width: 40px;
    width: 40px;
    left: 58px;
    padding: 8px 0;
    font-size: 0.95rem;
    line-height: 1;
  }

  #mainApp .hero-menu {
    gap: 12px;
  }

  #mainApp .hero-actions {
    gap: 10px;
  }

  #mainApp .hero-section-subtitle {
    font-size: 0.74rem;
  }

  #mainApp .hero-menu .config-grid {
    gap: 10px;
  }

  #mainApp .hero-menu .config-grid .config-field {
    gap: 8px;
    font-size: 0.88rem;
  }

  #mainApp .hero-menu .config-grid .config-field span {
    font-size: 0.68rem;
    line-height: 1.24;
    letter-spacing: 0.07em;
  }

  #mainApp .hero-menu .config-grid .config-field select,
  #mainApp .hero-menu .config-grid .config-field input[type="number"] {
    width: 276px;
    min-height: 40px;
    padding: 9px 11px;
    font-size: 0.9rem;
  }

  #mainApp .hero .library-open-button {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 0.82rem;
    line-height: 1.2;
  }
}

/* Extra fit on shorter desktop viewports to avoid bottom clipping on main page */
@media (min-width: 921px) and (max-height: 920px) {
  #mainApp.app-shell {
    padding: 10px 0 12px;
  }

  #mainApp .hero {
    gap: 12px;
  }

  #mainApp .hero-copy,
  #mainApp .hero-actions,
  #mainApp .hero-menu {
    padding: 14px;
  }

  #mainApp .hero-copy {
    padding: 10px 12px;
  }

  #mainApp .hero-menu .config-grid {
    gap: 8px;
  }

  #mainApp .hero-menu .config-grid .config-field {
    gap: 6px;
  }

  #mainApp .hero-menu .config-grid .config-field select,
  #mainApp .hero-menu .config-grid .config-field input[type="number"] {
    min-height: 36px;
    padding: 8px 10px;
  }

  #mainApp .hero .library-open-button {
    min-height: 36px;
    padding: 7px 9px;
  }
}

.hero,
.dashboard {
  display: grid;
  gap: 14px;
}

.hero {
  grid-template-columns: 1fr;
  margin-bottom: 0;
}

.dashboard {
  grid-template-columns: minmax(340px, 1fr);
  align-items: start;
}

.left-column {
  display: grid;
  gap: 10px;
}

.panel,
.hero-copy,
.hero-actions,
.hero-menu {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-actions,
.hero-menu,
.panel {
  padding: 16px;
}

.hero-copy {
  padding: 10px 12px;
  align-self: start;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.logout-button {
  position: absolute;
  top: 8px;
  right: 8px;
  min-width: 88px;
  padding: 6px 10px;
  font-size: 0.7rem;
  line-height: 1.1;
}

.global-settings-button {
  position: absolute;
  top: 8px;
  left: 8px;
  min-width: 34px;
  width: 34px;
  padding: 6px 0;
  font-size: 0.88rem;
  line-height: 1;
}

.global-help-button {
  position: absolute;
  top: 8px;
  left: 50px;
  min-width: 34px;
  width: 34px;
  padding: 6px 0;
  font-size: 0.88rem;
  line-height: 1;
}

.prompt-label {
  margin: 0 0 5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  color: var(--muted);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  line-height: 1;
  margin-bottom: 10px;
}

.hero-title-inline {
  width: 100%;
  font-size: clamp(0.92rem, 1.5vw, 1.18rem);
  line-height: 1.15;
  margin-bottom: 0;
  font-weight: 700;
  letter-spacing: 0.08em;
}

h2 {
  margin-bottom: 0;
}

.sidebar-value,
#promptText {
  color: var(--muted);
  line-height: 1.4;
}

#promptText.prompt-text--alternative {
  display: inline-block;
  color: #111;
  background: #fff;
  border-radius: 6px;
  padding: 2px 7px;
}


.status-attention-success,
.status-attention-info,
.status-attention-warning,
.status-attention-error {
  border-radius: 8px;
  animation-duration: 1100ms;
  animation-timing-function: ease;
  animation-fill-mode: both;
}

.status-attention-success {
  animation-name: statusAttentionSuccessPulse;
}

.status-attention-info {
  animation-name: statusAttentionInfoPulse;
}

.status-attention-warning {
  animation-name: statusAttentionWarningPulse;
}

.status-attention-error {
  animation-name: statusAttentionErrorPulse;
}

@keyframes statusAttentionSuccessPulse {
  0% { background-color: rgba(55, 120, 84, 0.62); box-shadow: 0 0 0 1px rgba(133, 214, 166, 0.7) inset, 0 0 18px rgba(97, 177, 130, 0.4); color: #e9fff1; }
  40% { background-color: rgba(55, 120, 84, 0.44); box-shadow: 0 0 0 1px rgba(133, 214, 166, 0.48) inset, 0 0 12px rgba(97, 177, 130, 0.24); color: #e4f8ec; }
  100% { background-color: transparent; box-shadow: none; color: inherit; }
}

@keyframes statusAttentionInfoPulse {
  0% { background-color: rgba(64, 96, 132, 0.6); box-shadow: 0 0 0 1px rgba(164, 195, 235, 0.68) inset, 0 0 18px rgba(112, 148, 194, 0.38); color: #eef6ff; }
  40% { background-color: rgba(64, 96, 132, 0.42); box-shadow: 0 0 0 1px rgba(164, 195, 235, 0.45) inset, 0 0 12px rgba(112, 148, 194, 0.23); color: #e7f0fb; }
  100% { background-color: transparent; box-shadow: none; color: inherit; }
}

@keyframes statusAttentionWarningPulse {
  0% { background-color: rgba(132, 112, 66, 0.6); box-shadow: 0 0 0 1px rgba(224, 197, 125, 0.66) inset, 0 0 18px rgba(196, 165, 93, 0.36); color: #fff7e7; }
  40% { background-color: rgba(132, 112, 66, 0.42); box-shadow: 0 0 0 1px rgba(224, 197, 125, 0.44) inset, 0 0 12px rgba(196, 165, 93, 0.22); color: #fbf1db; }
  100% { background-color: transparent; box-shadow: none; color: inherit; }
}

@keyframes statusAttentionErrorPulse {
  0% { background-color: rgba(128, 66, 66, 0.62); box-shadow: 0 0 0 1px rgba(225, 139, 139, 0.7) inset, 0 0 18px rgba(204, 109, 109, 0.4); color: #fff0f0; }
  40% { background-color: rgba(128, 66, 66, 0.44); box-shadow: 0 0 0 1px rgba(225, 139, 139, 0.48) inset, 0 0 12px rgba(204, 109, 109, 0.25); color: #fbe8e8; }
  100% { background-color: transparent; box-shadow: none; color: inherit; }
}

.header-task {
  margin: 6px 0 0;
  font-size: 0.86rem;
}


.hero-menu {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: start;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: flex-start;
  min-width: 0;
}

.hero-section-subtitle {
  margin: 0;
  font-size: 0.68rem;
  line-height: 1.2;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}

#repertoireAnalysisButton {
  grid-column: auto;
  white-space: normal;
  min-height: 34px;
}

.library-open-button {
  width: 100%;
  padding: 8px 10px;
  font-size: 0.78rem;
  line-height: 1.2;
}

.config-grid {
  display: grid;
  gap: 8px;
}

.min-move-stepper-buttons,
#minOpponentMoveUpButton,
#minOpponentMoveDownButton {
  display: none !important;
}

.min-move-stepper #minOpponentMoveInput {
  width: 100%;
}

.primary-field select {
  font-size: 0.88rem;
  padding: 9px 10px;
  border-width: 2px;
  background: #3c3836;
}

.subdued-config {
  padding: 10px 12px;
  border-radius: 18px;
  background: rgba(58, 54, 50, 0.88);
  border: 1px solid rgba(96, 92, 87, 0.4);
}

.tree-preview-frame {
  width: min(100%, calc(100dvh - 215px), 1080px);
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.tree-preview-frame.board-expanded {
  width: min(100%, calc(100dvh - 215px), 1080px);
}

.tree-picker {
  display: grid;
  gap: 6px;
  min-height: 0;
  height: 100%;
  align-content: start;
  overflow: hidden;
}

.tree-content-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.46fr);
  gap: 12px;
  align-items: start;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.tree-current-path,
.tree-next-section {
  display: grid;
  gap: 6px;
}

.tree-current-path {
  margin-top: 6px;
}

.tree-next-section {
  padding-right: 0;
}

.tree-current-path-text {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.28;
}

.tree-current-path-segment {
  white-space: nowrap;
}

.tree-board-column {
  display: grid;
  grid-template-rows: auto auto;
  gap: 2px;
  align-content: stretch;
  min-height: 0;
}

.tree-board-column .tree-preview-frame {
  justify-self: center;
  align-self: start;
}

.tree-right-column {
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 10px;
  align-content: start;
  min-height: 0;
  min-width: 0;
}

.tree-picker-modal-card {
  width: 100vw;
  max-width: 100vw;
  height: 100dvh;
  min-height: 0;
  max-height: 100dvh;
  margin: 0;
  border-radius: 0;
  padding: 10px;
  display: grid;
  gap: 10px;
  overflow: hidden;
  grid-template-rows: auto auto minmax(0, 1fr);
  align-content: start;
  background: #2d2926;
  border: 0;
  box-shadow: none;
}

.tree-picker-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: none;
  overflow: hidden;
  padding-right: 0;
  justify-content: flex-start;
  width: 100%;
  max-width: 100%;
  align-content: start;
}

.tree-node-row {
  display: flex;
  align-items: center;
  gap: 4px;
  width: auto;
  min-width: 0;
  max-width: 100%;
}

.tree-node-button {
  flex: 0 0 auto;
  width: auto;
  text-align: left;
  background: var(--green);
  color: #fff;
  border: none;
  padding: 5px 6px;
  font-size: 0.68rem;
  transform: none;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  text-overflow: clip;
  line-height: 1.15;
  max-width: 100%;
}

.tree-node-button:hover {
  transform: none;
  background: var(--green);
}

.tree-node-button.active {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.22);
  background: var(--green);
}

.tree-action-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.tree-action-row .tree-action-button {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  padding: 7px 6px;
  font-size: 0.72rem;
  line-height: 1.18;
  white-space: nowrap;
}

.tree-picker-lichess-box {
  min-width: 0;
  min-height: 236px;
  max-height: 236px;
  height: 236px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.tree-picker-lichess-box .line-editor-explorer-table-wrap {
  min-height: 176px;
  max-height: 176px;
  height: 176px;
  overflow: hidden;
}

.config-field {
  display: grid;
  grid-template-columns: minmax(118px, auto) minmax(0, 1fr);
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.config-field span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.6rem;
  line-height: 1.2;
}

.config-field select,
.config-field input {
  width: 100%;
}

.modal-config-field {
  grid-template-columns: minmax(var(--modal-form-label-min), 1fr) minmax(var(--modal-form-control-min), var(--modal-form-control-max));
  gap: var(--modal-form-row-gap);
}

.modal-config-field span {
  min-width: 0;
  white-space: normal;
}

.modal-config-field select,
.modal-config-field input {
  width: min(100%, var(--modal-form-control-max));
  justify-self: end;
}

.modal-form-row {
  display: grid;
  grid-template-columns: minmax(var(--modal-form-label-min), 1fr) minmax(var(--modal-form-control-min), var(--modal-form-control-max)) auto;
  gap: var(--modal-form-row-gap);
  align-items: center;
}

.modal-form-row--action-slot {
  grid-template-columns:
    minmax(var(--modal-form-label-min), 1fr)
    minmax(var(--modal-form-control-min), var(--modal-form-control-max))
    var(--modal-inline-button-width-desktop);
}

.modal-form-label {
  min-width: 0;
  white-space: normal;
}

.modal-form-row > select,
.modal-form-row > input {
  width: min(100%, var(--modal-form-control-max));
  min-width: 0;
}

.modal-multi-checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  width: min(100%, var(--modal-form-control-max));
  justify-self: end;
}

.modal-multi-checkbox-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.modal-checkbox-group-disabled {
  opacity: 0.45;
}

#mainSettingsModal .modal-form-row {
  grid-template-columns:
    minmax(var(--modal-form-label-min), 1fr)
    minmax(var(--modal-form-control-min), var(--modal-form-control-max));
}

#mainSettingsModal .modal-form-row > select {
  width: var(--modal-form-control-max);
  max-width: 100%;
  justify-self: end;
}

.help-modal-card {
  width: min(760px, calc(100vw - 24px));
}

.help-modal-body {
  display: grid;
  gap: 10px;
}

.help-section {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(63, 59, 55, 0.78);
  border: 1px solid rgba(96, 92, 87, 0.28);
  border-radius: var(--modal-panel-radius);
}

.help-section h4,
.help-section p,
.help-section ol {
  margin: 0;
}

.help-section h4 {
  font-size: 0.86rem;
  line-height: 1.2;
  color: var(--text);
}

.help-section p,
.help-section li {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.36;
}

.help-steps {
  padding-left: 20px;
}

.help-faq-group details {
  padding: 8px 0 0;
  border-top: 1px solid rgba(96, 92, 87, 0.24);
}

.help-faq-group details:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.help-faq-group summary {
  cursor: pointer;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.25;
}

.help-faq-group details p {
  margin-top: 6px;
}

.modal-form-control--fill {
  width: 100%;
  max-width: none;
  justify-self: stretch;
}

.modal-form-input--centered,
.modal-form-input--centered::placeholder {
  text-align: center;
  text-align-last: center;
}

.modal-form-action {
  min-height: var(--control-height-md);
  padding: 8px 12px;
  justify-self: start;
}

.modal-form-action--fill {
  width: 100%;
  max-width: none;
  justify-self: stretch;
}

.modal-form-action--fill,
.modal-form-input--centered {
  text-align: center;
  text-align-last: center;
}

.modal-form-action--icon {
  width: var(--icon-button-size-sm);
  min-width: var(--icon-button-size-sm);
  max-width: var(--icon-button-size-sm);
  padding: 0;
}

.primary-field {
  grid-template-columns: minmax(150px, auto) minmax(0, 1fr);
}

.hero-menu .config-grid .config-field {
  grid-template-columns: minmax(150px, 1fr) auto;
}

.hero-menu .config-grid .config-field select,
.hero-menu .config-grid .config-field input[type="number"] {
  width: 240px;
  justify-self: end;
  text-align: right;
}

.hero-menu .config-grid .config-field select {
  text-align-last: right;
}

button,
select {
  border-radius: var(--button-radius);
  border: none;
  padding: var(--button-padding-y) var(--button-padding-x);
}

input[type="number"],
input[type="text"] {
  border-radius: var(--button-radius);
  border: 1px solid var(--control-border);
  padding: var(--button-padding-y) var(--button-padding-x);
  background: var(--control-bg);
  color: var(--text);
  font: inherit;
}

button {
  background: var(--button-primary-bg);
  color: var(--button-text);
  border: 1px solid var(--button-primary-border);
  cursor: pointer;
  transition: transform 150ms ease, opacity 150ms ease;
  font-size: var(--font-size-control);
  line-height: 1.2;
}

select {
  background: var(--control-bg);
  color: var(--text);
  border: 1px solid var(--control-border);
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.secondary-button {
  background: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  border-color: var(--button-secondary-border);
}

.button-primary {
  background: var(--button-primary-bg);
  color: var(--button-text);
  border-color: var(--button-primary-border);
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--button-ghost-border);
}

.button-danger {
  background: var(--button-danger-bg);
  color: #fff;
  border-color: var(--button-danger-border);
}

.panel-header,
.board-layout,
.controls,
.stats-list li {
  display: flex;
  gap: 10px;
}

.panel-header {
  justify-content: space-between;
  align-items: start;
}

.board-layout {
  display: flex;
  align-items: start;
  margin: 14px 0;
  gap: 12px;
}

.board-main {
  display: grid;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
  align-content: start;
}

.board-side {
  display: grid;
  gap: 10px;
  min-width: 260px;
  width: 280px;
  align-content: start;
}

.board-main .board-frame {
  justify-self: start;
}

.board-frame {
  width: min(100%, 448px);
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.board-frame.board-expanded {
  width: min(100%, 582px);
}

.board-frame-middle {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
}

.board-files {
  display: none;
  grid-template-columns: repeat(8, 1fr);
  padding: 0 20px;
}

.board-ranks {
  display: none;
  grid-template-rows: repeat(8, 1fr);
}

.board-coordinate {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.chessboard {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  border-radius: 0;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(24, 33, 38, 0.2);
}

.square {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  width: 100%;
  height: 100%;
  position: relative;
  user-select: none;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  appearance: none;
}

.square-coordinate-label {
  position: absolute;
  z-index: 2;
  font-size: 0.52rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  pointer-events: none;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.14);
  user-select: none;
}

.square.light .square-coordinate-label {
  color: rgba(50, 48, 45, 0.62);
}

.square.dark .square-coordinate-label {
  color: rgba(245, 242, 236, 0.62);
}

.square-coordinate-file {
  left: 4px;
  bottom: 3px;
}

.square-coordinate-rank {
  right: 4px;
  top: 3px;
}

.square.light {
  background: var(--light-square);
}

.square.dark {
  background: var(--dark-square);
}

.square.selectable {
  cursor: pointer;
}

.chessboard .square:hover,
.chessboard .square:focus-visible {
  transform: none;
}

.square.selectable:active .piece-image {
  cursor: grabbing;
}

.piece-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  pointer-events: auto;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.08));
}

body.board-piece-dragging,
body.board-piece-dragging * {
  user-select: none;
  -webkit-user-select: none;
  cursor: grabbing !important;
}

.board-drag-ghost {
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  object-fit: contain;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.14));
}

.square.incoming-hidden .piece-image {
  opacity: 0;
}

.board-auto-move-piece {
  position: absolute;
  width: 12.5%;
  height: 12.5%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 24;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.14));
  transition: left 320ms cubic-bezier(0.22, 1, 0.36, 1), top 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.square.drag-origin .piece-image {
  opacity: 0;
}

.piece-image[data-dragging="true"] {
  opacity: 0 !important;
}

.square.selectable .piece-image {
  cursor: grab;
}

.square.selectable .piece-image:active {
  cursor: grabbing;
}

.square.selected::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 14px;
  border: 3px solid transparent;
  pointer-events: none;
  z-index: 2;
}

.square.selected::after {
  inset: 0;
  border: none;
  border-radius: 0;
  background: rgba(64, 134, 219, 0.38);
}

.square.last-move-from::before,
.square.last-move-to::before,
.square.success-from::before,
.square.success-to::before,
.square.success::before,
.square.neutral-from::before,
.square.neutral-to::before,
.square.neutral::before,
.square.error-soft-from::before,
.square.error-soft-to::before,
.square.error-soft::before,
.square.error-medium-from::before,
.square.error-medium-to::before,
.square.error-medium::before,
.square.error-from::before,
.square.error-to::before,
.square.error::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.square.last-move-from::before,
.square.success-from::before {
  background: rgba(160, 210, 86, 0.34);
}

.square.last-move-to::before,
.square.success-to::before,
.square.success::before {
  background: rgba(186, 226, 105, 0.48);
}

.square.neutral-from::before,
.square.neutral-to::before,
.square.neutral::before {
  background: rgba(154, 196, 255, 0.38);
}

.square.error-soft-from::before,
.square.error-soft-to::before,
.square.error-soft::before {
  background: rgba(255, 228, 109, 0.42);
}

.square.error-medium-from::before,
.square.error-medium-to::before,
.square.error-medium::before {
  background: rgba(255, 183, 97, 0.42);
}

.square.error-from::before,
.square.error-to::before,
.square.error::before {
  background: rgba(255, 164, 164, 0.35);
}

.moves-box {
  min-width: 0;
}

.moves-box-header {
  display: grid;
  gap: 2px;
  margin-bottom: 8px;
}

.moves-box-title {
  margin-bottom: 0;
  font-size: 0.78rem;
  line-height: 1.25;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--text);
}

.engine-box {
  min-width: 0;
}

.engine-box-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.engine-box-header .prompt-label {
  margin-bottom: 0;
}

.engine-box-header-actions {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.engine-box-button {
  flex: 0 0 auto;
  white-space: nowrap;
  align-self: start;
}

.engine-stats {
  margin-top: 12px;
}

.answer-box {
  background: rgba(58, 54, 50, 0.9);
  border: 1px solid rgba(96, 92, 87, 0.36);
  border-radius: 18px;
  padding: 10px;
}

.controls {
  flex-wrap: nowrap;
  margin-bottom: 12px;
}

.controls button {
  flex: 1 1 0;
  min-width: 0;
  padding: 7px 6px;
  font-size: 0.74rem;
  white-space: nowrap;
}

.candidate-moves {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
}

.variant-progress {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.variant-column {
  display: grid;
  gap: 8px;
}

.variant-title {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.66rem;
  color: var(--muted);
}

.variant-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.candidate-chip {
  background: rgba(47, 111, 79, 0.1);
  color: var(--green);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.84rem;
}

.candidate-chip.solved {
  background: rgba(47, 111, 79, 0.18);
}

.candidate-chip.remaining {
  background: rgba(164, 74, 63, 0.12);
  color: var(--accent-dark);
}

.expected-move-slot {
  min-width: 42px;
  padding: 8px 6px;
  border-radius: 12px;
  border: 1px solid rgba(96, 92, 87, 0.34);
  background: rgba(63, 59, 55, 0.82);
  color: transparent;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.2;
  white-space: nowrap;
}

.expected-move-slot.hidden {
  color: transparent;
}

.expected-move-slot.solved {
  color: #7fe39f;
  border-color: rgba(47, 111, 79, 0.62);
  background: rgba(47, 111, 79, 0.18);
}

.expected-move-slot.revealed {
  color: #f08e83;
  border-color: rgba(164, 74, 63, 0.62);
  background: rgba(164, 74, 63, 0.16);
}

.move-history {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--muted);
  max-height: none;
  overflow: auto;
  font-size: 0.78rem;
}

.move-history li {
  white-space: nowrap;
}

.explorer-table {
  width: 100%;
  margin-top: 8px;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.74rem;
  color: var(--muted);
}

.explorer-table-wrap {
  min-height: 184px;
  max-height: 184px;
  overflow: auto;
}

.explorer-table th,
.explorer-table td {
  padding: 6px 6px;
  text-align: left;
  border-bottom: 1px solid rgba(96, 92, 87, 0.22);
  white-space: nowrap;
}

.explorer-table th {
  color: var(--text);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.eval-legend-indicator {
  display: inline-block;
  margin-left: 2px;
  font-size: 0.78em;
  line-height: 1;
  color: var(--text);
  opacity: 0.95;
  cursor: help;
  vertical-align: text-top;
}

.explorer-table th:nth-child(1),
.explorer-table td:nth-child(1) {
  width: 20%;
}

.explorer-table th:nth-child(2),
.explorer-table td:nth-child(2) {
  width: 14%;
}

.explorer-table th:nth-child(n+3),
.explorer-table td:nth-child(n+3) {
  width: 16.5%;
}

.explorer-table td:first-child {
  color: var(--text);
  font-weight: 700;
}

.explorer-table td.explorer-eval-cell {
  font-variant-numeric: tabular-nums;
}

.explorer-table td.explorer-alert {
  color: #d65d5d;
  font-weight: 700;
}

.explorer-table td.explorer-covered {
  color: #7fcb97;
  font-weight: 700;
}

.explorer-table td.explorer-placeholder-cell {
  color: rgba(168, 166, 162, 0.5);
}

.explorer-clickable-row {
  cursor: pointer;
}

.explorer-clickable-row:hover td,
.explorer-clickable-row:focus-visible td {
  background: rgba(58, 130, 96, 0.16);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--modal-overlay-bg);
  z-index: 50;
  overflow: auto;
}

#messageDialogModal {
  z-index: 120;
}

#lineTagModal,
#criticalPositionModal {
  z-index: 90;
}

#masterGamesModal {
  z-index: 100;
}

.full-canvas-modal {
  padding: 0;
  place-items: stretch;
  align-items: stretch;
}

.training-modal-overlay,
#lineEditorModal {
  background: #211f1c;
}

#libraryModal,
#onlineGamesReviewModal,
#repertoireAnalysisModal,
#criticalPositionsReportModal {
  background: #211f1c;
}

.training-modal-overlay {
  overflow: auto;
}

.training-modal-card {
  width: 100vw;
  max-width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  position: relative;
  border-radius: 0;
  margin: 0;
  padding: var(--modal-card-padding-canvas);
  overflow: auto;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: var(--modal-card-gap-canvas);
  background: #2d2926;
}

.training-modal-card--loading .board-layout,
.training-modal-card--loading #expectedMovesPanel,
.training-modal-card--loading .controls,
.training-modal-card--loading .moves-box,
.training-modal-card--loading .board-side,
.training-modal-card--loading #promptText {
  opacity: 0.28;
}

.training-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at center, rgba(45, 41, 38, 0.12), rgba(21, 19, 17, 0.58)),
    linear-gradient(180deg, rgba(28, 25, 23, 0.28), rgba(28, 25, 23, 0.52));
  backdrop-filter: blur(3px);
  pointer-events: none;
}

.training-loading-card {
  width: min(420px, calc(100vw - 48px));
  max-width: min(420px, calc(100vw - 48px));
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 18px 18px 16px;
  text-align: center;
  background: rgba(42, 38, 35, 0.94);
  border: 1px solid rgba(130, 126, 121, 0.28);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

.training-loading-logo {
  display: block;
  width: min(240px, 100%);
  height: auto;
}

.training-loading-spinner {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 4px solid rgba(215, 215, 214, 0.14);
  border-top-color: rgba(215, 215, 214, 0.9);
  border-right-color: rgba(47, 111, 79, 0.9);
  animation: training-loading-spin 0.95s linear infinite;
}

.training-loading-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.training-loading-detail {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

@keyframes training-loading-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.full-canvas-content-modal-card {
  width: min(var(--modal-max-xl), calc(100vw - 24px));
  max-width: min(var(--modal-max-xl), calc(100vw - 24px));
  height: 100dvh;
  max-height: 100dvh;
  border-radius: 0 !important;
  margin: 0;
  padding: var(--modal-card-padding-canvas);
  background: #2d2926;
  border: none;
  box-shadow: none;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: var(--modal-card-gap-canvas);
}

#libraryModal > .full-canvas-content-modal-card,
#onlineGamesReviewModal > .full-canvas-content-modal-card,
#repertoireAnalysisModal > .full-canvas-content-modal-card,
#criticalPositionsReportModal > .full-canvas-content-modal-card {
  width: min(var(--modal-max-wide), calc(100vw - 24px)) !important;
  max-width: min(var(--modal-max-wide), calc(100vw - 24px)) !important;
}

.training-modal-card .board-layout {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 32vw);
  gap: clamp(8px, 0.8vw, 12px);
  margin: 0;
  align-items: start;
  min-height: 0;
  padding-bottom: 8px;
  overflow: hidden;
}

.training-modal-card .board-main {
  display: grid;
  gap: 4px;
  align-content: start;
  min-height: 0;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.training-modal-card .moves-box {
  width: auto;
  min-height: 102px;
  max-height: 120px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.training-modal-card .board-side {
  display: grid;
  gap: 6px;
  grid-template-rows: auto minmax(102px, 120px) auto auto auto;
  min-width: 0;
  width: 100%;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: 6px;
}

.training-modal-card .board-side > .engine-box-lichess {
  order: 1;
}

.training-modal-card .board-side > .moves-box {
  order: 2;
}

.training-modal-card .board-side > .training-stats-box {
  order: 6;
}
.training-modal-card .board-side > #expectedMovesPanel {
  order: 5;
}

.training-modal-card .board-side .engine-box-lichess {
  min-height: 0;
  max-height: none;
  height: auto;
  display: grid;
  grid-template-rows: auto auto auto auto;
  overflow: hidden;
  align-content: start;
}
@media (max-width: 1500px) {
  .training-modal-card .board-layout {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 34vw);
  }
}
.training-modal-card .explorer-table-wrap {
  min-height: 0;
  max-height: none;
  height: auto;
  overflow: hidden;
}

.training-modal-card .explorer-table th:nth-child(1),
.training-modal-card .explorer-table td:nth-child(1) {
  width: 20%;
}

.training-modal-card .explorer-table th:nth-child(2),
.training-modal-card .explorer-table td:nth-child(2) {
  width: 13%;
}

.training-modal-card .explorer-table th:nth-child(n+3),
.training-modal-card .explorer-table td:nth-child(n+3) {
  width: 16.75%;
}

.training-modal-card .controls {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  flex-wrap: nowrap;
  margin: 0;
  width: min(100%, calc(100dvh - 250px), 960px);
  justify-self: center;
}

.training-modal-card .controls:has(#nextLineButton[hidden]) {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.training-modal-card .controls .training-mobile-analysis-action {
  display: none;
}

.training-modal-card > .controls {
  display: none !important;
}

.training-modal-card .controls button {
  width: 100%;
  justify-self: stretch;
  min-height: 34px;
  min-width: 0;
  padding: 7px 6px;
  font-size: 0.72rem;
  line-height: 1.18;
  white-space: nowrap;
}

.training-modal-card .moves-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.training-modal-card .moves-box-title {
  margin-bottom: 0;
}

.training-modal-card .move-history {
  max-height: 77px;
  overflow: auto;
  align-content: start;
}

.training-modal-card .board-side .engine-box-lichess.line-editor-lichess-box {
  min-height: 0;
  max-height: none;
  height: auto;
  grid-template-rows: auto auto auto auto;
  align-content: start;
}

.training-modal-card .board-side .engine-box-lichess.line-editor-lichess-box .line-editor-explorer-table-wrap {
  min-height: 0;
  max-height: none;
  height: auto;
  overflow: hidden;
}

.training-modal-card .board-side .engine-box-lichess .explorer-table {
  margin-top: 2px;
}

.training-modal-card .board-side .engine-box-lichess .explorer-table th,
.training-modal-card .board-side .engine-box-lichess .explorer-table td {
  padding: 3px 6px;
  line-height: 1.1;
}

.training-modal-card .board-main .board-frame {
  width: min(100%, calc(100dvh - 250px), 960px);
  justify-self: center;
}

.training-modal-card .board-main .board-frame.board-expanded {
  width: min(100%, calc(100dvh - 250px), 960px);
}
.training-modal-card #expectedMovesPanel {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.training-modal-card #expectedMovesPanel .prompt-label {
  margin: 0;
  flex: 0 0 auto;
}

.training-modal-card #expectedMovesPanel .candidate-moves {
  flex: 1 1 auto;
  margin: 0;
  min-width: 0;
}

.training-modal-card #expectedMovesPanel .variant-progress {
  margin-top: 0;
}

.training-modal-card #expectedMovesPanel .variant-progress:empty {
  display: none;
}

.training-modal-card .board-side #expectedMovesPanel {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 6px;
  padding: 6px 8px;
}

.training-modal-card .board-side #expectedMovesPanel .prompt-label {
  margin: 0;
}

.training-modal-card .board-side #expectedMovesPanel .candidate-moves {
  flex-wrap: wrap;
  gap: 6px;
  overflow: hidden;
}

.training-modal-card .board-side #expectedMovesPanel .variant-progress {
  margin-top: 0;
}

.tree-picker-modal-overlay {
  overflow: hidden;
  z-index: 70;
  background: #211f1c;
}

.tree-picker-modal-overlay,
.tree-picker-modal-card,
.tree-picker,
.tree-content-row,
.tree-right-column,
.tree-picker-list,
.tree-picker-lichess-box .line-editor-explorer-table-wrap {
  overflow: hidden !important;
}

/* Keep scrollbars visually hidden inside the full-canvas modals. */
:is(.full-canvas-modal, .full-canvas-modal *, .full-canvas-modal:hover, .full-canvas-modal *:hover) {
  scrollbar-width: none !important;
}

:is(.full-canvas-modal, .full-canvas-modal *, .full-canvas-modal:hover, .full-canvas-modal *:hover)::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
}

/* Also hide page-level scrollbar while a full-screen main modal is open */
:is(html, body):has(.full-canvas-modal:not([hidden])) {
  overflow: hidden !important;
  scrollbar-width: none !important;
}

:is(html, body):has(.full-canvas-modal:not([hidden]))::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
}

.tree-picker-lichess-box,
.tree-picker-lichess-box:hover {
  transform: none !important;
}

.tree-picker-lichess-box button:hover {
  transform: none !important;
}

.modal-card {
  width: min(100%, 560px);
  max-height: calc(100vh - 48px);
  background: var(--modal-card-bg);
  border: 1px solid var(--modal-card-border);
  border-radius: var(--modal-card-radius);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  padding: var(--modal-card-padding);
  display: grid;
  gap: var(--modal-card-gap);
  overflow: auto;
}

.modal-card--stack {
  align-content: start;
}

.modal-card--compact {
  width: min(var(--modal-max-compact), calc(100vw - 24px));
  max-width: min(var(--modal-max-compact), calc(100vw - 24px));
  max-height: calc(100vh - 24px);
}

.modal-card--wide {
  width: min(var(--modal-max-wide), calc(100vw - 24px));
  max-width: min(var(--modal-max-wide), calc(100vw - 24px));
  max-height: calc(100vh - 24px);
}

.modal-card--large {
  width: min(var(--modal-max-large), calc(100vw - 24px));
  max-width: min(var(--modal-max-large), calc(100vw - 24px));
  max-height: calc(100vh - 24px);
}

.modal-card--xl {
  width: min(var(--modal-max-xl), calc(100vw - 24px));
  max-width: min(var(--modal-max-xl), calc(100vw - 24px));
  max-height: calc(100vh - 24px);
}

.library-modal-card {
  padding: var(--modal-card-padding-tight);
  gap: var(--modal-card-gap-tight);
  grid-template-rows: auto auto auto minmax(0, 1fr);
}

.auth-error.auth-notice {
  color: var(--accent);
}

.library-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.library-modal-card .sidebar-value {
  margin-bottom: 0;
}

.library-modal-card .repertoire-list {
  gap: 8px;
  align-content: start;
  grid-auto-rows: max-content;
}

.library-modal-card .repertoire-list li {
  height: auto;
  min-height: 0;
  padding: 8px 10px;
  gap: 10px;
  border-radius: 10px;
  align-items: flex-start;
}

.library-modal-card .repertoire-details {
  gap: 2px;
  align-content: start;
}

.library-modal-card .library-item-actions {
  gap: 10px;
  align-self: center;
}

.library-modal-card .library-item-actions > button,
.library-modal-card .library-create-button,
.library-modal-card .modal-close-button {
  height: var(--icon-button-size-md) !important;
  min-height: var(--icon-button-size-md) !important;
  max-height: var(--icon-button-size-md) !important;
  width: var(--icon-button-size-md) !important;
  min-width: var(--icon-button-size-md) !important;
  max-width: var(--icon-button-size-md) !important;
  padding: 0;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--button-radius) !important;
  line-height: 1.05;
  white-space: nowrap;
}

#libraryModal {
  place-items: center;
  align-items: center;
  justify-items: center;
  padding: 24px;
  overflow: auto;
}

#libraryModal > .library-modal-card {
  width: min(var(--modal-max-setup-desktop), calc(100vw - 48px)) !important;
  max-width: min(var(--modal-max-setup-desktop), calc(100vw - 48px)) !important;
  height: auto !important;
  min-height: 0;
  max-height: calc(100dvh - 48px) !important;
  align-self: center;
  border: 1px solid var(--modal-card-border) !important;
  border-radius: var(--modal-card-radius) !important;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42) !important;
  overflow: hidden;
}

#libraryModal .repertoire-list {
  min-height: 0;
  max-height: min(54vh, 520px);
  overflow: auto;
  padding-right: 4px;
}

.library-create-panel {
  display: grid;
  gap: 10px;
  padding: var(--modal-panel-padding);
  border: 1px solid var(--border);
  border-radius: var(--modal-panel-radius);
  background: rgba(255, 255, 255, 0.025);
}

.library-import-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.library-create-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.library-create-divider::before,
.library-create-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--border);
}

.library-create-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) repeat(2, minmax(180px, 1fr));
  gap: 10px;
  align-items: stretch;
}

.library-create-grid > * {
  min-width: 0;
}

.library-create-actions {
  grid-template-columns: repeat(2, minmax(0, 180px));
  justify-content: end;
}

.line-editor-modal-card {
  width: 100vw;
  max-width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  overflow: auto;
  border-radius: 0;
  padding: var(--modal-card-padding-canvas);
  gap: var(--modal-card-gap-canvas);
  grid-template-rows: auto auto minmax(0, 1fr);
  background: #2d2926;
}

.repertoire-option-box {
  gap: calc(var(--modal-panel-gap) - 2px);
  padding: calc(var(--modal-panel-padding) - 2px);
  border-radius: calc(var(--modal-panel-radius) - 2px);
}

/* Readability uplift for full-screen analysis (desktop). */
@media (min-width: 921px) {
  .analysis-review-modal {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh;
    max-height: 100dvh;
    padding: var(--modal-card-padding-canvas);
    gap: var(--modal-card-gap-canvas);
  }

  .analysis-review-modal .sidebar-value {
    font-size: var(--modal-copy-font-size-desktop);
    line-height: var(--modal-copy-line-height-desktop);
  }

  .analysis-review-modal .modal-grid.repertoire-analysis-settings-grid {
    gap: var(--modal-card-gap-desktop);
  }

  .analysis-review-modal .modal-form-row {
    gap: var(--modal-form-row-gap-desktop);
  }

  .analysis-review-modal .modal-form-row > select,
  .analysis-review-modal .modal-form-row > input {
    min-height: var(--modal-control-height-roomy);
    padding: var(--modal-control-padding-roomy);
    font-size: var(--modal-control-font-size-roomy);
  }

  .analysis-review-modal .modal-form-action {
    min-height: var(--modal-control-height-roomy);
    padding: var(--modal-control-padding-roomy);
    font-size: var(--modal-control-font-size-roomy-alt);
  }

  .analysis-review-modal .modal-form-action--icon {
    width: var(--modal-icon-button-size-desktop);
    min-width: var(--modal-icon-button-size-desktop);
    max-width: var(--modal-icon-button-size-desktop);
    padding: var(--modal-control-padding-icon-roomy);
    font-size: var(--modal-control-font-size-roomy);
  }

  #repertoireAnalysisModal .repertoire-analysis-item {
    padding: var(--modal-panel-padding-desktop);
    gap: 6px;
  }

  #repertoireAnalysisModal .repertoire-analysis-item h4 {
    font-size: var(--modal-emphasis-font-size-desktop);
  }

  #repertoireAnalysisModal .repertoire-analysis-item p {
    font-size: var(--modal-detail-font-size-desktop);
    line-height: var(--modal-detail-line-height-desktop);
  }

  #repertoireAnalysisModal .repertoire-analysis-item-actions .secondary-button {
    min-height: var(--modal-inline-button-height-desktop);
    padding: var(--modal-inline-button-padding-desktop);
    font-size: var(--modal-inline-button-font-size-desktop);
  }

  .analysis-review-modal .repertoire-analysis-selector-label {
    font-size: var(--modal-label-font-size-desktop);
    line-height: var(--modal-label-line-height-desktop);
  }

  .analysis-review-modal .modal-actions {
    gap: var(--modal-action-gap-desktop);
  }

  .analysis-review-modal .modal-actions button:not(.modal-action-wide) {
    height: var(--modal-control-height-roomy) !important;
    min-height: var(--modal-control-height-roomy) !important;
    max-height: var(--modal-control-height-roomy) !important;
    width: var(--modal-icon-button-size-desktop) !important;
    min-width: var(--modal-icon-button-size-desktop);
    max-width: var(--modal-icon-button-size-desktop);
    font-size: var(--modal-control-font-size-roomy);
  }

  .analysis-review-modal .modal-actions .modal-action-wide {
    min-height: var(--modal-control-height-roomy);
    min-width: 180px;
    padding: 0 16px;
    font-size: var(--modal-control-font-size-roomy-alt);
  }

  .analysis-review-modal .repertoire-analysis-findings {
    max-height: none;
    gap: 12px;
    padding-right: 6px;
  }
}

.repertoire-analysis-modal-card {
  overflow-x: hidden;
  grid-template-rows: minmax(0, 1fr);
  gap: 12px;
}

.analysis-review-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--modal-card-gap-roomy);
}

.analysis-review-controls,
.analysis-review-report {
  min-height: 0;
  min-width: 0;
}

.analysis-review-controls {
  display: grid;
  align-content: start;
  gap: var(--modal-card-gap-roomy);
  overflow: auto;
  padding-right: 4px;
}

.analysis-review-report {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
}

#onlineGamesReviewModal > .analysis-review-modal,
#repertoireAnalysisModal > .analysis-review-modal {
  width: 100vw !important;
  max-width: 100vw !important;
  height: 100dvh !important;
  max-height: 100dvh !important;
}

.message-dialog-modal-card {
  width: min(480px, calc(100vw - 24px));
  max-width: min(480px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 10px;
}

.message-dialog-modal-card h3 {
  margin: 0;
}

#messageDialogText {
  white-space: pre-line;
}

.message-dialog-message-text {
  display: block;
}

.message-dialog-summary {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  white-space: normal;
}

.message-dialog-summary-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: baseline;
}

.message-dialog-summary-label {
  min-width: 0;
}

.message-dialog-summary-value {
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
}

.message-dialog-actions button {
  min-width: var(--control-height-md);
  width: auto;
  padding-inline: 14px;
}

.critical-positions-report-modal-card {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  gap: 10px;
}

.critical-positions-report-findings {
  min-height: 0;
  max-height: none;
  overflow: auto;
  display: grid;
  gap: 10px;
  padding-right: 4px;
}

.critical-positions-report-item {
  padding: var(--modal-panel-padding);
  border-radius: var(--modal-panel-radius);
  border: 1px solid rgba(96, 92, 87, 0.34);
  background: rgba(40, 36, 33, 0.72);
  display: grid;
  gap: var(--modal-panel-gap);
}

.critical-positions-report-item h4 {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text);
}

.critical-positions-report-item-body {
  display: grid;
  grid-template-columns: 214px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.critical-positions-report-board-wrap {
  width: 214px;
}

.critical-positions-report-board {
  width: 100%;
  aspect-ratio: 1;
}

.critical-positions-report-item-details {
  display: grid;
  gap: 6px;
}

.critical-positions-report-item-details p {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.35;
  color: var(--muted);
}

.critical-positions-report-item-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.critical-positions-report-item-actions .secondary-button {
  min-height: 30px;
  padding: 4px 8px;
  font-size: 0.68rem;
  line-height: 1.1;
}

.board-move-arrows {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

.board-user-arrows {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 4;
}

.modal-grid.repertoire-analysis-settings-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.repertoire-analysis-selector-label {
  white-space: normal;
}

#analysisBreadthDepthLevelSelect,
#analysisScopeSelect {
  text-align: center;
  text-align-last: center;
}

#repertoireAnalysisModal #applyRepertoireAnalysisThresholdsButton,
#repertoireAnalysisModal #openRepertoireAnalysisScopePickerButton {
  width: var(--modal-icon-button-size-desktop) !important;
  min-width: var(--modal-icon-button-size-desktop) !important;
  max-width: var(--modal-icon-button-size-desktop) !important;
  height: var(--modal-control-height-roomy) !important;
  min-height: var(--modal-control-height-roomy) !important;
  max-height: var(--modal-control-height-roomy) !important;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  justify-self: start;
  white-space: nowrap;
  padding: 0 !important;
  font-size: var(--modal-control-font-size-roomy);
  line-height: 1;
}

#repertoireAnalysisModal #openRepertoireAnalysisScopePickerButton {
  font-weight: 600;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-main-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 8px;
  row-gap: 4px;
  margin: 0;
  padding: 0;
}

.modal-main-title {
  margin: 0;
  font-size: var(--font-size-modal-title-main);
  line-height: 1.15;
  color: var(--text);
}

.modal-main-summary {
  margin: 6px 0 0;
  font-size: var(--font-size-modal-copy);
  line-height: 1.34;
  color: var(--muted);
}

.modal-header h3 {
  margin: 0;
  font-size: var(--font-size-modal-title);
  color: var(--text);
}

.modal-close-button {
  flex: 0 0 auto;
  min-width: 0;
}

.modal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.modal-section {
  display: grid;
  gap: var(--modal-panel-gap);
  padding: var(--modal-panel-padding);
  background: rgba(63, 59, 55, 0.8);
  border: 1px solid rgba(96, 92, 87, 0.28);
  border-radius: var(--modal-panel-radius);
}

.modal-option {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 0.82rem;
}

.modal-actions {
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: var(--modal-action-gap);
  align-items: center;
  justify-content: center;
}

.modal-actions--icon-sm > button:not(.modal-action-wide),
.modal-actions--icon-sm > a:not(.modal-action-wide) {
  height: var(--control-height-sm) !important;
  min-height: var(--control-height-sm) !important;
  max-height: var(--control-height-sm) !important;
  width: var(--icon-button-size-sm) !important;
  min-width: var(--icon-button-size-sm);
  max-width: var(--icon-button-size-sm);
  padding: 0;
  font-size: var(--font-size-control-sm);
  line-height: 1.2;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--button-radius);
}

.modal-actions--mixed .modal-action-wide {
  width: auto !important;
  min-width: 120px;
  max-width: none;
  min-height: var(--control-height-sm);
  padding: 0 12px;
  font-size: var(--font-size-control-sm);
  line-height: 1.2;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--button-radius);
}

.modal-actions--text > button,
.modal-actions--text > a {
  width: auto;
  min-width: var(--control-height-sm);
  min-height: var(--control-height-sm);
  padding: 6px 8px;
  font-size: var(--font-size-control-sm);
  line-height: 1.15;
  white-space: nowrap;
}

.master-games-modal-card {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 8px;
}

.master-games-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  align-content: start;
  max-height: min(64vh, 560px);
  overflow: auto;
}

.master-games-item {
  display: grid;
  gap: 6px;
  padding: 10px;
  background: rgba(63, 59, 55, 0.78);
  border: 1px solid rgba(96, 92, 87, 0.3);
  border-radius: 12px;
}

.master-games-item.master-games-empty {
  color: var(--muted);
}

.master-games-title {
  margin: 0;
  color: var(--text);
  line-height: 1.25;
  font-size: 0.84rem;
}

.master-games-details {
  margin: 0;
  color: var(--muted);
  line-height: 1.25;
  font-size: 0.76rem;
}

.master-games-actions {
  display: flex;
  gap: 8px;
}

.master-games-actions .secondary-button {
  min-height: 30px;
  padding: 6px 10px;
  font-size: 0.72rem;
  line-height: 1.1;
}

.modal-text-field {
  grid-template-columns: 1fr;
  gap: 8px;
}

.modal-text-field span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.6rem;
  line-height: 1.2;
}

.modal-button-row {
  margin-top: 4px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--modal-action-gap);
}

.modal-button-row button,
.modal-button-row a {
  width: 100%;
  min-height: var(--control-height-sm);
}

.line-editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, 0.42fr);
  gap: 12px;
  min-height: 0;
  height: 100%;
  align-items: start;
}

.line-editor-board-column,
.line-editor-side-column {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 0;
}

.line-editor-board-column {
  overflow-y: hidden;
  overflow-x: hidden;
  padding-right: 0;
  gap: 0;
}

.line-editor-side-column {
  grid-template-rows: repeat(4, auto);
}

.line-editor-side-column .answer-box {
  min-height: 0;
  overflow: auto;
}

.line-editor-board-frame {
  width: min(100%, calc(100dvh - 190px), 1120px);
  justify-self: center;
}

.line-editor-lichess-box {
  min-width: 0;
  min-height: 320px;
  display: grid;
  grid-template-rows: auto auto minmax(220px, 1fr);
}

.line-editor-lichess-box .prompt-label,
.line-editor-lichess-box .sidebar-value {
  margin-bottom: 0;
}

.line-editor-explorer-table-wrap {
  min-height: 0;
  max-height: none;
  overflow-y: hidden;
  overflow-x: hidden;
  scrollbar-gutter: stable both-edges;
}

.line-editor-lichess-box .explorer-table {
  width: 100%;
  min-width: 0;
  table-layout: fixed !important;
}

.line-editor-lichess-box .explorer-table th,
.line-editor-lichess-box .explorer-table td {
  white-space: nowrap !important;
  overflow-wrap: anywhere;
  font-size: 0.66rem;
  padding: 4px 5px;
}

.line-editor-lichess-box .explorer-table th:nth-child(1),
.line-editor-lichess-box .explorer-table td:nth-child(1) {
  width: 20% !important;
  min-width: 0;
  font-weight: 700;
}

.line-editor-lichess-box .explorer-table th:nth-child(2),
.line-editor-lichess-box .explorer-table td:nth-child(2) {
  width: 12% !important;
  min-width: 0;
}

.line-editor-lichess-box .explorer-table th:nth-child(n+3),
.line-editor-lichess-box .explorer-table td:nth-child(n+3) {
  width: 17% !important;
  min-width: 0;
}

.tree-picker-lichess-box.line-editor-lichess-box {
  min-height: 0;
  max-height: none;
  height: auto;
  grid-template-rows: auto auto minmax(0, 1fr);
  overflow: hidden;
}

.tree-picker-lichess-box.line-editor-lichess-box .line-editor-explorer-table-wrap {
  min-height: 0;
  max-height: none;
  height: auto;
  overflow: hidden;
}

.line-editor-move-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
}

.line-editor-navigation-section {
  display: grid;
  gap: 6px;
}

.line-editor-navigation-section + .line-editor-navigation-section {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--control-border);
}

.line-editor-navigation-label {
  margin: 0;
}

.line-editor-move-button {
  flex: 0 0 auto;
  min-width: 0;
  padding: 6px 10px;
  font-size: 0.76rem;
}

.line-editor-move-button.active {
  background: rgba(47, 111, 79, 0.28);
  border-color: rgba(47, 111, 79, 0.85);
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.line-editor-modal-card .line-editor-move-list {
  gap: 4px;
}

.line-editor-modal-card .line-editor-move-button {
  padding: 3px 6px;
  font-size: 0.66rem;
  line-height: 1.1;
  min-height: 20px;
}

.line-editor-modal-card .line-editor-explorer-table-wrap {
  overflow: hidden;
  scrollbar-gutter: auto;
}

.line-editor-modal-card .line-editor-lichess-box,
.line-editor-modal-card .line-editor-lichess-box:hover {
  transform: none !important;
  overflow: hidden !important;
  contain: layout paint;
}

.line-editor-modal-card .line-editor-lichess-box button:hover {
  transform: none !important;
}

.line-editor-action-group {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.line-editor-action-row-all {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  align-items: stretch;
  width: 100%;
  min-width: 0;
}

.line-editor-action-row-all button {
  min-width: 0;
  height: 44px;
  min-height: 44px;
  max-height: 44px;
  white-space: normal;
  overflow-wrap: normal;
  padding: 5px 4px;
  font-size: 1rem;
  line-height: 1;
  border-radius: var(--button-radius);
}

.line-editor-continuation-button {
  border-color: rgba(77, 155, 116, 0.72);
  background: rgba(47, 111, 79, 0.12);
}

.line-editor-continuation-button::after {
  content: "\203A";
  margin-left: 5px;
  color: var(--muted);
}

.line-editor-continuation-empty {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.35;
}

.line-editor-action-row-all #lineEditorPrevButton,
.line-editor-action-row-all #lineEditorNextButton {
  flex: initial;
}

.line-editor-action-row-all #lineEditorSaveButton,
.line-editor-action-row-all #lineEditorExportButton {
  flex: initial;
}

.line-editor-action-row-all .line-editor-close-button {
  flex: initial;
  margin-left: 0;
}

.line-editor-footer-actions {
  margin-top: 4px;
}

#lineEditorSuggestButton.active {
  background: var(--button-primary-bg);
  border-color: var(--button-primary-border);
  color: var(--button-text);
}

.line-editor-note {
  margin-top: 8px;
  font-size: 0.7rem;
}

.inline-action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.2em;
  height: 1.2em;
  margin: 0 0.14em;
  border-radius: 999px;
  background: rgba(47, 111, 79, 0.22);
  color: #ffffff;
  font-size: 0.86em;
  line-height: 1;
  vertical-align: baseline;
}

.line-editor-analysis-findings {
  display: grid;
  gap: 10px;
  max-height: 280px;
  overflow: auto;
}

.line-editor-analysis-item {
  display: grid;
  gap: 6px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(40, 36, 33, 0.7);
  border: 1px solid rgba(96, 92, 87, 0.3);
}

.line-editor-analysis-item p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.35;
}

.line-editor-analysis-item textarea {
  width: 100%;
  min-height: 62px;
  resize: vertical;
}

.repertoire-analysis-findings {
  min-height: 0;
  max-height: none;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 10px;
  padding-right: 4px;
}

#onlineGamesReviewFindings:empty {
  display: none;
}

.repertoire-analysis-item {
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(96, 92, 87, 0.34);
  background: rgba(40, 36, 33, 0.72);
  display: grid;
  gap: 8px;
}

.repertoire-analysis-item-reviewed {
  border-color: color-mix(in srgb, var(--green) 60%, rgba(96, 92, 87, 0.34));
}

.repertoire-analysis-item h4 {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text);
}

.repertoire-analysis-item-body {
  display: grid;
  grid-template-columns: 184px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.repertoire-analysis-board-wrap {
  width: 184px;
}

.repertoire-analysis-board {
  width: 100%;
  aspect-ratio: 1;
}

/* Small report boards: keep coordinates tiny and flush to edges to avoid piece overlap */
.repertoire-analysis-board .square-coordinate-label,
.critical-positions-report-board .square-coordinate-label {
  font-size: 0.36rem;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: none;
}

.repertoire-analysis-board .square-coordinate-file,
.critical-positions-report-board .square-coordinate-file {
  left: 1px;
  right: auto;
  bottom: 1px;
  transform: none;
}

.repertoire-analysis-board .square-coordinate-rank,
.critical-positions-report-board .square-coordinate-rank {
  right: 1px;
  top: 1px;
  transform: none;
}

.repertoire-analysis-item-details {
  display: grid;
  gap: 4px;
}

.repertoire-analysis-item p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--muted);
}

.repertoire-analysis-item-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.repertoire-analysis-item-actions .secondary-button {
  min-height: 30px;
  padding: 4px 8px;
  font-size: 0.68rem;
  line-height: 1.1;
  border-radius: var(--button-radius);
}

.repertoire-analysis-item-actions .repertoire-analysis-reviewed-button {
  background: var(--button-primary-bg);
  border-color: var(--button-primary-border);
  color: #ffffff;
}

.repertoire-analysis-item-actions a.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: var(--button-radius);
}

.stats-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.repertoire-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  min-height: 0;
  overflow: auto;
}

.repertoire-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(63, 59, 55, 0.88);
}

.repertoire-list li.active {
  outline: 2px solid rgba(47, 111, 79, 0.28);
}

.server-repertoire-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
}

.server-repertoire-grid > li.server-repertoire-column {
  display: grid;
  justify-content: stretch;
  align-content: start;
  align-items: start;
  gap: 10px;
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.server-repertoire-column {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 0;
}

.server-repertoire-column-title {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  justify-self: center;
}

.server-repertoire-column-list {
  display: grid;
  gap: 8px;
  align-content: start;
}

.server-repertoire-column-list button {
  width: 100%;
}

@media (max-width: 1100px) {
  .server-repertoire-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .server-repertoire-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.repertoire-details {
  display: grid;
  gap: 2px;
}

.library-daily-training-toggle {
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.2;
  user-select: none;
}

.library-daily-training-toggle input[type="checkbox"] {
  margin: 0;
  width: 20px;
  height: 20px;
}

.repertoire-name {
  font-weight: 700;
}

.repertoire-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.repertoire-side {
  color: var(--muted);
  font-size: 0.74rem;
}

.repertoire-library-stats,
.repertoire-library-proficiency {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.25;
}

.library-delete-button {
  padding: 5px 8px;
  border-radius: var(--button-radius);
  background: var(--button-danger-bg);
  color: #fff;
  border-color: var(--button-danger-border);
  font-size: 0.72rem;
}

.library-download-button,
.library-edit-button {
  padding: 5px 8px;
  border-radius: var(--button-radius);
  background: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  border: 1px solid var(--button-secondary-border);
  font-size: 0.72rem;
}

.library-rename-button {
  min-width: 28px;
  min-height: 24px;
  padding: 2px 6px;
  border-radius: var(--button-radius);
  background: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  border: 1px solid var(--button-secondary-border);
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1;
}

.library-item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.stats-list li {
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 920px) {
  html,
  body {
    width: 100%;
    height: 100dvh;
    overflow: hidden !important;
    overscroll-behavior: none;
  }

  body {
    position: fixed;
    inset: 0;
    touch-action: none;
  }

  button,
  select,
  input,
  textarea,
  .piece-image {
    touch-action: manipulation;
  }

  html:has(body.landing-page),
  body.landing-page {
    height: auto;
    min-height: 100dvh;
    overflow: auto !important;
    overscroll-behavior: auto;
  }

  body.landing-page {
    position: static;
    inset: auto;
    touch-action: auto;
  }

  .landing-shell {
    width: min(100%, calc(100% - 16px));
    min-height: 100dvh;
    padding: 10px 0 14px;
    height: auto;
    gap: 12px;
    overflow: visible;
  }

  .landing-hero {
    padding: 16px;
    gap: 12px;
  }

  .landing-cta-row {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 0;
  }

  .landing-login-link,
  .landing-support-button {
    width: 100%;
  }

  .landing-showcase-gallery {
    min-height: clamp(200px, 48vw, 420px);
  }

  .landing-feature-card {
    min-height: 0;
    padding: 14px;
  }

  .landing-feature-card h2 {
    font-size: 1rem;
    line-height: 1.18;
  }

  .landing-feature-card p {
    font-size: 0.84rem;
    line-height: 1.38;
    -webkit-line-clamp: unset;
    line-clamp: unset;
  }

  #mainApp,
  .app-shell,
  .dashboard,
  .left-column {
    width: 100%;
    max-width: 100%;
    height: 100dvh;
    overflow: hidden !important;
  }

  .auth-start-page {
    width: 100%;
    min-height: 100dvh;
    padding: 12px;
  }

  .auth-card,
  #mainApp.app-shell {
    max-width: 100vw;
  }

  .auth-card,
  .hero-copy,
  .hero-actions,
  .hero-menu {
    min-width: 0;
  }

  .hero,
  .dashboard,
  .hero-menu {
    grid-template-columns: 1fr;
    display: grid;
  }

  #mainApp .hero {
    width: 100%;
    max-width: 100%;
    height: 100dvh;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    align-content: start !important;
  }

  .app-shell {
    padding: 8px !important;
    margin: 0 !important;
  }

  #mainApp .hero-copy,
  #mainApp .hero-actions {
    padding: 10px !important;
  }

  #mainApp .hero-menu {
    gap: 8px !important;
  }

  #mainApp .hero-actions {
    gap: 8px !important;
  }

  #mainApp .hero-section-subtitle {
    font-size: 0.64rem !important;
  }

  #mainApp .hero-actions .library-open-button {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 44px !important;
    height: auto;
    padding: 8px !important;
    font-size: 0.75rem !important;
    line-height: 1.2 !important;
    white-space: normal;
  }

  #mainApp .hero-menu .config-grid {
    gap: 8px !important;
    padding: 8px 10px !important;
  }

  #mainApp .hero-menu .config-grid .config-field span {
    font-size: 0.62rem !important;
    line-height: 1.15 !important;
  }

  #mainApp .hero-menu .config-grid .config-field,
  .hero-menu .config-grid .config-field {
    grid-template-columns: 1fr !important;
    gap: 4px;
  }

  #mainApp .hero-menu .config-grid .config-field select,
  #mainApp .hero-menu .config-grid .config-field input[type="number"],
  .hero-menu .config-grid .config-field select,
  .hero-menu .config-grid .config-field input[type="number"] {
    min-height: 44px !important;
    height: auto;
    width: 100% !important;
    max-width: 100% !important;
    justify-self: stretch !important;
    text-align: right;
    padding: 8px;
    font-size: 16px;
    line-height: 1.25;
  }

  #mainApp .hero-menu .config-grid .config-field .min-move-stepper,
  .hero-menu .config-grid .config-field .min-move-stepper {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px;
    align-items: stretch;
  }

  #mainApp .hero-menu .config-grid .config-field .min-move-stepper #minOpponentMoveInput,
  .hero-menu .config-grid .config-field .min-move-stepper #minOpponentMoveInput {
    min-width: 0;
  }

  #mainApp .hero-menu .config-grid .config-field .min-move-stepper-buttons,
  .hero-menu .config-grid .config-field .min-move-stepper-buttons {
    display: grid !important;
    grid-template-columns: repeat(2, 44px);
    gap: 4px;
  }

  #mainApp .hero-menu .config-grid .config-field #minOpponentMoveUpButton,
  #mainApp .hero-menu .config-grid .config-field #minOpponentMoveDownButton,
  .hero-menu .config-grid .config-field #minOpponentMoveUpButton,
  .hero-menu .config-grid .config-field #minOpponentMoveDownButton {
    display: grid !important;
    place-items: center;
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
    padding: 0;
    font-size: 0.72rem;
    line-height: 1;
  }

  #authStartPage input,
  #mainApp select,
  #mainApp input,
  #mainApp textarea {
    font-size: 16px;
  }

  .hero-menu .config-grid .config-field select {
    text-align-last: right;
  }

  .modal-grid {
    grid-template-columns: 1fr;
  }

  .modal-config-field,
  .modal-form-row {
    grid-template-columns: 1fr;
  }

  .modal-config-field select,
  .modal-config-field input,
  .modal-form-row > select,
  .modal-form-row > input,
  .modal-form-row > button {
    width: 100%;
    max-width: none;
    justify-self: stretch;
  }

  .modal-overlay {
    padding: 10px;
  }

  .repertoire-analysis-board-wrap {
    width: min(100%, 220px);
  }

  .critical-positions-report-board-wrap {
    width: min(100%, 240px);
  }

  .line-editor-layout {
    grid-template-columns: 1fr !important;
    gap: 8px;
    min-height: 0;
    height: auto;
    align-content: start;
  }

  .line-editor-modal-card > .modal-main-summary,
  .line-editor-notes-box {
    display: none !important;
  }

  .tree-picker-modal-card {
    height: min(100dvh, calc(100vh - 12px));
    max-height: min(100dvh, calc(100vh - 12px));
  }

  .line-editor-modal-card {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh;
    max-height: 100dvh;
    grid-template-rows: auto auto auto;
  }

  .line-editor-board-column,
  .line-editor-side-column {
    display: contents;
  }

  .line-editor-board-frame {
    order: 1;
    width: min(
      100%,
      calc(100vw - var(--modal-card-padding-mobile) - var(--modal-card-padding-mobile))
    ) !important;
    max-width: 100%;
  }

  .line-editor-navigation-box {
    display: flex;
    flex-direction: column;
    order: 2;
  }

  .line-editor-navigation-box > .line-editor-navigation-section {
    order: 1;
  }

  .line-editor-navigation-box > .line-editor-navigation-section + .line-editor-navigation-section {
    order: 2;
  }

  .line-editor-navigation-box > #lineEditorOpeningInfoText {
    margin: 10px 0 0;
    order: 3;
  }

  .line-editor-footer-actions {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 3px;
    margin-top: 0;
    order: 3;
  }

  .line-editor-footer-actions button {
    height: 36px;
    min-height: 36px;
    max-height: 36px;
    padding: 2px;
    font-size: 0.9rem;
    line-height: 1;
    overflow: hidden;
    white-space: nowrap;
  }

  .line-editor-footer-actions .line-editor-history-button {
    font-size: 1.1rem;
    font-weight: 800;
  }

  .line-editor-footer-actions .line-editor-history-button:disabled {
    opacity: 0.6;
  }

  .line-editor-modal-card .line-editor-lichess-box {
    min-height: 0;
    grid-template-rows: auto auto auto;
    order: 4;
  }

  .line-editor-modal-card .line-editor-explorer-table-wrap {
    max-height: 300px;
    overflow: auto;
  }

  .line-editor-modal-card #lineEditorAnalysisBox {
    order: 5;
  }

  #libraryModal > .library-modal-card {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    align-self: stretch;
    padding:
      max(var(--modal-card-padding-mobile), env(safe-area-inset-top, 0px))
      var(--modal-card-padding-mobile)
      calc(var(--modal-card-padding-mobile) + env(safe-area-inset-bottom, 0px));
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    grid-template-rows: auto auto minmax(0, 1fr);
    overflow: hidden;
  }

  #libraryModal > .library-modal-card:has(.library-create-panel:not([hidden])) {
    grid-template-rows: auto auto auto minmax(0, 1fr);
  }

  #libraryModal .repertoire-list {
    width: 100%;
    max-height: none;
    padding-right: 0;
    overflow-x: hidden;
    overflow-y: auto;
  }

  .library-modal-card .repertoire-list li {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    min-width: 0;
    gap: 8px;
  }

  .library-modal-card .repertoire-details {
    min-width: 0;
  }

  .library-modal-card .repertoire-library-stats {
    display: grid;
    gap: 2px;
  }

  .library-modal-card .repertoire-library-stats-separator {
    display: none;
  }

  .library-modal-card .library-item-actions {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    min-width: 0;
    gap: 6px;
    align-self: stretch;
  }

  .library-modal-card .library-item-actions > button {
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
  }

  .library-create-grid {
    grid-template-columns: 1fr;
  }

  .library-create-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .left-column {
    display: contents;
  }

  .board-layout {
    display: grid;
    grid-template-columns: 1fr;
  }

  .board-side {
    width: 100%;
    min-width: 0;
  }

  .board-frame {
    width: 100%;
  }

  .training-modal-overlay,
  .tree-picker-modal-overlay,
  #lineEditorModal,
  #libraryModal,
  #onlineGamesReviewModal,
  #repertoireAnalysisModal,
  #criticalPositionsReportModal {
    inset: 0;
    padding: 0 !important;
    overflow: hidden !important;
  }

  .training-modal-overlay {
    padding: 0;
  }

  .training-modal-card,
  .tree-picker-modal-card,
  .full-canvas-content-modal-card {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    overflow: hidden !important;
  }

  .line-editor-modal-card,
  .analysis-review-modal {
    padding:
      max(var(--modal-card-padding-mobile), env(safe-area-inset-top, 0px))
      var(--modal-card-padding-mobile)
      calc(var(--modal-card-padding-mobile) + env(safe-area-inset-bottom, 0px));
    gap: var(--modal-card-gap-mobile);
    align-content: start;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    overscroll-behavior: contain;
  }

  .analysis-review-modal {
    grid-template-rows: auto;
  }

  .analysis-review-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--modal-card-gap-mobile);
  }

  .analysis-review-controls {
    gap: var(--modal-card-gap-mobile);
    min-height: auto;
    overflow: visible;
    padding-right: 0;
  }

  .analysis-review-controls > .sidebar-value {
    margin: 0;
  }

  #onlineGamesReviewModal .analysis-review-report {
    display: block;
    min-height: auto;
  }

  #onlineGamesReviewModal .repertoire-analysis-findings {
    overflow: visible;
  }

  #onlineGamesReviewModal .modal-form-row--action-slot {
    grid-template-columns: minmax(0, 1fr) 88px;
    align-items: stretch;
  }

  #onlineGamesReviewModal .modal-form-label,
  #onlineGamesReviewModal #connectLichessForReviewButton {
    grid-column: 1 / -1;
  }

  #onlineGamesReviewModal .modal-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) repeat(4, var(--icon-button-size-sm));
    width: 100%;
    justify-content: stretch;
  }

  #onlineGamesReviewModal .modal-actions .modal-action-wide {
    width: 100% !important;
    min-width: 0;
  }

  .training-modal-card {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    padding: var(--modal-card-padding-mobile);
    padding-bottom: calc(var(--modal-card-padding-mobile) + env(safe-area-inset-bottom, 0px) + 20px);
    gap: var(--modal-card-gap-mobile);
    overflow: auto;
    grid-template-rows: auto auto minmax(0, 1fr) auto !important;
  }

  .training-modal-card .panel-header {
    position: sticky;
    top: 0;
    z-index: 2;
    background: rgba(49, 46, 43, 0.97);
    border-radius: var(--modal-card-radius-mobile);
    padding: 8px 6px;
  }

  .training-modal-card .board-layout {
    grid-template-columns: 1fr !important;
    gap: 8px;
    padding-bottom: 8px;
  }

  .training-modal-card .board-main,
  .training-modal-card .board-side,
  .training-modal-card .moves-box {
    width: 100%;
    min-width: 0;
  }

  .training-modal-card .board-main {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    overflow: visible;
  }

  .training-modal-card .board-frame {
    width: min(100%, calc(100dvh - 400px), 92vw) !important;
    max-width: 92vw !important;
    align-self: center;
  }

  .training-modal-card .moves-box {
    min-height: 148px;
    max-height: 148px;
    order: 2;
    width: 100%;
  }

  .training-modal-card .board-side {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }

  .training-modal-card .board-side .engine-box-lichess {
    min-height: 322px;
    max-height: 322px;
  }

  .training-modal-card .board-side .engine-box-lichess {
    min-height: 0;
    max-height: none;
  }

  .training-modal-card .board-side .engine-box-lichess .explorer-table th,
  .training-modal-card .board-side .engine-box-lichess .explorer-table td {
    font-size: 0.68rem;
    padding: 3px 5px;
  }
.training-modal-card .controls {
    position: static;
    bottom: auto;
    z-index: auto;
    background: transparent;
    border-radius: 0;
    padding: 0 0 calc(16px + env(safe-area-inset-bottom, 0px)) 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    order: 3;
    width: 100%;
  }

  .training-modal-card .board-frame { order: 1; }

  .training-modal-card .controls button {
    min-height: 44px;
    font-size: 0.78rem;
    white-space: normal;
  }

  .training-modal-card .explorer-table-wrap {
    overflow: auto;
  }

  .training-modal-card .explorer-table {
    min-width: 440px;
  }

  .training-modal-card #expectedMovesPanel {
    display: grid !important;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 8px;
    padding: 6px 8px !important;
    min-height: 0;
    overflow: hidden !important;
  }

  .training-modal-card #expectedMovesPanel[hidden] {
    display: none !important;
  }

  .training-modal-card #expectedMovesPanel .prompt-label {
    margin: 0 !important;
    white-space: nowrap;
  }

  .training-modal-card #expectedMovesPanel .candidate-moves {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
    white-space: normal !important;
    overflow: hidden !important;
  }

  .training-modal-card #expectedMovesPanel .variant-progress {
    grid-column: 1 / -1;
    margin-top: 0 !important;
  }

  .tree-picker-modal-card {
    height: 100dvh;
    max-height: 100dvh;
    grid-template-rows: auto auto minmax(0, 1fr);
  }

  .tree-picker {
    gap: 8px;
  }

  .tree-content-row {
    grid-template-columns: 1fr !important;
    gap: 8px;
    height: auto;
    min-height: 0;
  }

  .tree-board-column {
    grid-template-rows: auto auto;
    gap: 8px;
  }

  .tree-preview-frame,
  .tree-preview-frame.board-expanded {
    width: min(100%, calc(100dvh - 300px), 92vw);
  }

  .tree-right-column {
    gap: 8px;
  }

  .tree-action-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }
}

@media (max-width: 920px) and (display-mode: standalone) {
  .app-shell {
    padding-top: 4px !important;
  }

  #mainApp .hero {
    gap: 8px !important;
    align-content: start !important;
  }

  #mainApp .hero-copy,
  #mainApp .hero-actions {
    padding-top: 10px !important;
  }
}

/* Mobile minimal mode */
@media (max-width: 920px) {
  .repertoire-analysis-mobile-hidden {
    display: none !important;
  }

  /* 1) Training minimal */
  .training-modal-card .board-side,
  .training-modal-card .training-aux-action {
    display: none !important;
  }

  .training-modal-card .board-layout {
    grid-template-columns: 1fr !important;
    padding-bottom: 0 !important;
  }

  .training-modal-card .controls {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
    padding-bottom: calc(18px + env(safe-area-inset-bottom, 0px)) !important;
  }

  .training-modal-card .controls button {
    min-height: 38px !important;
    font-size: 0.74rem !important;
    line-height: 1.12 !important;
    white-space: nowrap !important;
  }
.training-modal-card #expectedMovesPanel {
    margin-top: 0;
  }

  /* 2) Browse Tree minimal */
  .tree-picker-modal-overlay .modal-header .modal-close-button {
    display: none !important;
  }

  .tree-picker-modal-overlay .tree-picker-lichess-box,
  .tree-picker-modal-overlay .tree-current-path,
  .tree-picker-modal-overlay .tree-status-summary,
  .tree-picker-modal-overlay .tree-action-button--reset,
  .tree-picker-modal-overlay .tree-action-button--download,
  .tree-picker-modal-overlay #treeEditLineButton {
    display: none !important;
  }

  .tree-picker-modal-overlay .tree-content-row {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .tree-picker-modal-overlay .tree-right-column {
    grid-template-rows: auto !important;
  }

  .tree-picker-modal-overlay .tree-action-row {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }
}


@media (max-width: 640px) {
  html:has(body.landing-page),
  body.landing-page {
    min-height: 100svh;
  }

  .landing-cta-row {
    grid-template-columns: 1fr;
  }

  .landing-logo {
    width: min(100%, 460px);
  }

  .landing-showcase-frame {
    row-gap: 10px;
  }

  .landing-showcase-tag-rail {
    justify-content: center;
  }

  .landing-showcase-gallery {
    min-height: clamp(180px, 50vw, 300px);
  }

  .landing-showcase-tag {
    text-align: center;
    font-size: clamp(1rem, 5vw, 1.35rem);
    letter-spacing: 0.06em;
  }

  .landing-showcase-dots {
    gap: 6px;
    padding-top: 8px;
  }

  .landing-showcase-dot {
    width: 6px;
    min-width: 6px;
    max-width: 6px;
    height: 6px;
    min-height: 6px;
    max-height: 6px;
  }

  .training-modal-card,
  .training-modal-card * {
    box-sizing: border-box;
  }

  .training-modal-card {
    overflow-x: hidden;
  }

  .training-modal-card .board-main {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-items: initial;
  }

  .training-modal-overlay {
    place-items: stretch;
    align-items: start;
  }

  .app-shell {
    width: min(calc(100vw - 20px), 100%);
    max-width: calc(100vw - 20px);
    padding-top: 8px;
  }

  #mainApp .hero {
    gap: 8px;
  }

  .hero-copy,
  .hero-actions,
  .panel {
    padding: 14px;
  }

  .logout-button {
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    min-width: 68px;
    height: 22px;
    min-height: 22px;
    padding: 2px 7px;
    font-size: 0.62rem;
    line-height: 1;
  }

  .global-settings-button {
    top: 50%;
    left: 6px;
    transform: translateY(-50%);
    min-width: 24px;
    width: 24px;
    height: 22px;
    min-height: 22px !important;
    padding: 2px 0;
    font-size: 0.72rem;
    line-height: 1;
  }

  .global-help-button {
    top: 50%;
    left: 34px;
    transform: translateY(-50%);
    min-width: 24px;
    width: 24px;
    height: 22px;
    min-height: 22px !important;
    padding: 2px 0;
    font-size: 0.72rem;
    line-height: 1;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .controls button,
  .secondary-button,
  button {
    min-height: 44px;
  }

  .hero-copy .logout-button {
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    min-width: 68px;
    height: 22px;
    min-height: 22px !important;
    padding: 2px 7px;
    font-size: 0.62rem;
    line-height: 1;
  }

  .hero-copy .global-settings-button {
    top: 50%;
    left: 6px;
    transform: translateY(-50%);
    min-width: 24px;
    width: 24px;
    height: 22px;
    min-height: 22px !important;
    padding: 2px 0;
    font-size: 0.72rem;
    line-height: 1;
  }

  .hero-copy .global-help-button {
    top: 50%;
    left: 34px;
    transform: translateY(-50%);
    min-width: 24px;
    width: 24px;
    height: 22px;
    min-height: 22px !important;
    padding: 2px 0;
    font-size: 0.72rem;
    line-height: 1;
  }

  .board-frame {
    padding: 0;
    gap: 0;
  }

  .board-frame-middle {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .board-files {
    display: none;
  }

  .board-coordinate {
    font-size: 0.74rem;
  }

  .board-layout {
    gap: 10px;
  }

  .board-side .engine-box-lichess {
    min-height: 278px;
    max-height: 278px;
    overflow: hidden;
  }

  .training-modal-card {
    width: 100%;
    max-width: 100%;
    height: auto;
    min-height: 100%;
    max-height: none;
    padding: 8px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    gap: 8px;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
  }

  .training-modal-card .panel-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 8px;
    align-items: start;
    position: static;
    top: auto;
    z-index: auto;
    background: transparent;
    border-radius: 0;
    padding: 0;
  }

  .modal-main-title {
    font-size: var(--font-size-modal-title-mobile);
    line-height: var(--line-height-modal-title-mobile);
    margin-bottom: 6px;
  }

  .modal-main-summary {
    font-size: var(--font-size-modal-copy-mobile);
    line-height: var(--line-height-modal-copy-mobile);
  }

  .training-modal-card .board-layout {
    gap: 8px;
  }

  .training-modal-card .board-main {
    display: grid;
    justify-items: center;
  }

  .training-modal-card .board-frame {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0;
  }

  .training-modal-card .board-frame.board-expanded {
    width: 100% !important;
    max-width: 100% !important;
  }

  .training-modal-card .board-frame-middle {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 0;
    width: 100%;
  }

  .training-modal-card .board-files {
    display: none !important;
  }

  .training-modal-card .board-coordinate {
    font-size: 0.68rem;
  }

  .training-modal-card .chessboard {
    width: min(100%, calc(100vw - 76px)) !important;
    height: min(100%, calc(100vw - 76px)) !important;
    max-width: calc(100vw - 76px) !important;
    max-height: calc(100vw - 76px) !important;
    aspect-ratio: auto !important;
    justify-self: center;
    align-self: center;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    grid-template-rows: repeat(8, minmax(0, 1fr));
  }

  .training-modal-card .square {
    min-width: 0;
    min-height: 0;
  }

  .training-modal-card .moves-box {
    min-height: 83px;
    max-height: 83px;
    width: 100%;
  }

  .training-modal-card .move-history {
    max-height: 46px;
  }

  .training-modal-card .controls {
    position: static;
    bottom: auto;
    z-index: auto;
    background: transparent;
    border-radius: 0;
    padding: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .training-modal-card .controls button {
    min-height: 40px;
    font-size: 0.74rem;
    line-height: 1.15;
  }

  .explorer-table-wrap {
    overflow: auto;
  }

  .training-modal-card .explorer-table {
    min-width: 360px;
  }

  .explorer-table {
    min-width: 360px;
    font-size: 0.72rem;
  }

  .explorer-table th {
    font-size: 0.6rem;
  }

}

/* Mobile training modal layout is intentionally finalized here so it wins over
   older generic mobile modal rules above. */
@media (max-width: 920px) {
  .training-modal-overlay {
    overflow: hidden !important;
  }

  .training-modal-card {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100svh !important;
    max-height: 100svh !important;
    padding: 4px 6px calc(4px + env(safe-area-inset-bottom, 0px)) !important;
    gap: 4px !important;
    grid-template-rows: auto auto minmax(0, 1fr) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
  }

  .training-modal-card .panel-header {
    position: static !important;
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: 0 !important;
    background: transparent !important;
    border-radius: 0 !important;
  }

  .training-modal-card .modal-main-title {
    margin: 0 0 2px !important;
    font-size: 1.08rem !important;
    line-height: 1.08 !important;
  }

  .training-modal-card #promptText {
    margin: 0 !important;
    font-size: 0.76rem !important;
    line-height: 1.15 !important;
    height: calc(2 * 0.76rem * 1.15) !important;
    overflow: hidden !important;
  }

  .training-modal-card .board-layout {
    display: block !important;
    padding-bottom: 0 !important;
    overflow: visible !important;
  }

  .training-modal-card .board-main {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px !important;
    justify-items: stretch !important;
    width: 100%;
    overflow: visible !important;
  }

  .training-modal-card .training-stats-box {
    order: 1;
    padding: 5px 7px !important;
    border-radius: 10px !important;
  }

  .training-modal-card .training-stats-box .engine-stats {
    margin-top: 0 !important;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 10px;
  }

  .training-modal-card .training-stats-box .stats-list li {
    gap: 4px;
    font-size: 0.76rem;
    line-height: 1.1;
  }

  .training-modal-card .board-frame,
  .training-modal-card .board-frame.board-expanded {
    order: 2;
    width: calc(100vw - 12px) !important;
    max-width: calc(100vw - 12px) !important;
    justify-self: center !important;
    align-self: center;
    padding: 0 !important;
  }

  .training-modal-card .chessboard {
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    max-height: none !important;
    aspect-ratio: 1 !important;
  }

  .training-modal-card .moves-box {
    order: 3;
    min-height: 136px !important;
    max-height: 136px !important;
    padding: 7px 8px !important;
    border-radius: 10px !important;
  }

  .training-modal-card .move-history {
    max-height: 104px !important;
    font-size: 0.78rem !important;
    line-height: 1.22 !important;
  }

  .training-modal-card #expectedMovesPanel {
    order: 4;
    padding: 5px 7px !important;
    min-height: 0 !important;
  }

  .training-modal-card .controls {
    order: 5;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 5px !important;
    width: 100% !important;
    padding: 0 0 max(4px, env(safe-area-inset-bottom, 0px)) !important;
  }

  .training-modal-card .controls .training-mobile-analysis-action {
    display: block;
  }

  .training-modal-card .controls button {
    min-height: 36px !important;
    height: 36px !important;
    max-height: 36px !important;
    padding: 3px 2px !important;
    font-size: 0.72rem !important;
    line-height: 1 !important;
    white-space: nowrap !important;
  }
}

/* Desktop modal alignment + symbol action rows */
@media (min-width: 921px) {
  :root {
    --modal-board-size-desktop: min(calc(100dvh - 190px), 1260px);
    --modal-side-width-desktop: clamp(410px, 31vw, 650px);
    --modal-columns-gap-desktop: 10px;
    --desktop-canvas-fit-width: calc(
      var(--modal-board-size-desktop)
      + var(--modal-side-width-desktop)
      + var(--modal-columns-gap-desktop)
      + 40px
    );
  }

  .line-editor-modal-card {
    --modal-board-size-desktop: min(calc(100dvh - 265px), 1260px);
  }

  /* Center the full app canvas on very wide screens without changing internal layout */
  .full-canvas-modal {
    justify-items: center;
    align-items: stretch;
  }

  .training-modal-card,
  .tree-picker-modal-card,
  .line-editor-modal-card {
    width: min(100vw, var(--desktop-canvas-fit-width));
    max-width: min(100vw, var(--desktop-canvas-fit-width));
    margin-inline: auto;
    justify-self: center;
    overflow-x: hidden;
  }

  #libraryModal > .full-canvas-content-modal-card,
  #onlineGamesReviewModal > .full-canvas-content-modal-card,
  #repertoireAnalysisModal > .full-canvas-content-modal-card,
  #criticalPositionsReportModal > .full-canvas-content-modal-card {
    width: min(var(--modal-max-wide), calc(100vw - 24px)) !important;
    max-width: min(var(--modal-max-wide), calc(100vw - 24px)) !important;
  }

  #onlineGamesReviewModal > .analysis-review-modal,
  #repertoireAnalysisModal > .analysis-review-modal {
    width: min(100vw, var(--desktop-canvas-fit-width)) !important;
    max-width: min(100vw, var(--desktop-canvas-fit-width)) !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    margin-inline: auto;
    justify-self: center;
  }

  .training-modal-card .board-layout,
  .line-editor-layout,
  .tree-content-row {
    width: max-content;
    max-width: 100%;
    justify-content: start;
    gap: var(--modal-columns-gap-desktop);
  }

  .training-modal-card .board-layout {
    grid-template-columns: minmax(0, var(--modal-board-size-desktop)) minmax(0, var(--modal-side-width-desktop));
  }

  .line-editor-layout,
  .tree-content-row {
    grid-template-columns: minmax(0, var(--modal-board-size-desktop)) minmax(0, var(--modal-side-width-desktop));
  }

  .training-modal-card .board-main,
  .line-editor-board-column,
  .tree-board-column {
    justify-items: start;
    width: min(100%, var(--modal-board-size-desktop));
    max-width: min(100%, var(--modal-board-size-desktop));
  }

  .training-modal-card .board-side,
  .line-editor-side-column,
  .tree-right-column {
    width: min(100%, var(--modal-side-width-desktop));
    max-width: var(--modal-side-width-desktop);
    justify-self: start;
    gap: 10px;
  }

  /* Right-column readability alignment (Training / Edit Line / Create / Move Tree) */
  .training-modal-card .board-side .prompt-label,
  .line-editor-side-column .prompt-label,
  .tree-right-column .prompt-label {
    font-size: 0.82rem;
    line-height: 1.2;
  }

  .training-modal-card .board-side .sidebar-value,
  .line-editor-side-column .sidebar-value,
  .tree-right-column .sidebar-value,
  .tree-right-column .tree-current-path-text {
    font-size: 0.84rem;
    line-height: 1.34;
  }

  .training-modal-card .board-side .moves-box-title,
  .line-editor-side-column .moves-box-title,
  .tree-right-column .moves-box-title {
    font-size: 0.94rem;
    line-height: 1.26;
  }

  .training-modal-card .board-side .variant-title,
  .line-editor-side-column .variant-title,
  .tree-right-column .variant-title {
    font-size: 0.78rem;
    line-height: 1.2;
  }

  .training-modal-card .board-side .engine-box,
  .training-modal-card .board-side .moves-box,
  .line-editor-side-column .engine-box,
  .line-editor-side-column .moves-box,
  .tree-right-column .engine-box,
  .tree-right-column .moves-box {
    padding: 12px;
  }

  .training-modal-card .board-side .explorer-table,
  .line-editor-side-column .explorer-table,
  .tree-right-column .explorer-table {
    font-size: 0.8rem;
  }

  .training-modal-card .board-side .explorer-table th,
  .line-editor-side-column .explorer-table th,
  .tree-right-column .explorer-table th {
    font-size: 0.72rem;
    padding: 5px 7px;
  }

  .training-modal-card .board-side .explorer-table td,
  .line-editor-side-column .explorer-table td,
  .tree-right-column .explorer-table td {
    padding: 5px 7px;
    line-height: 1.2;
  }

  .training-modal-card .board-side .explorer-table th:nth-child(1),
  .training-modal-card .board-side .explorer-table td:nth-child(1),
  .line-editor-side-column .explorer-table th:nth-child(1),
  .line-editor-side-column .explorer-table td:nth-child(1),
  .tree-right-column .explorer-table th:nth-child(1),
  .tree-right-column .explorer-table td:nth-child(1) {
    width: 19% !important;
  }

  .training-modal-card .board-side .explorer-table th:nth-child(2),
  .training-modal-card .board-side .explorer-table td:nth-child(2),
  .line-editor-side-column .explorer-table th:nth-child(2),
  .line-editor-side-column .explorer-table td:nth-child(2),
  .tree-right-column .explorer-table th:nth-child(2),
  .tree-right-column .explorer-table td:nth-child(2) {
    width: 13% !important;
  }

  .training-modal-card .board-side .explorer-table th:nth-child(n+3),
  .training-modal-card .board-side .explorer-table td:nth-child(n+3),
  .line-editor-side-column .explorer-table th:nth-child(n+3),
  .line-editor-side-column .explorer-table td:nth-child(n+3),
  .tree-right-column .explorer-table th:nth-child(n+3),
  .tree-right-column .explorer-table td:nth-child(n+3) {
    width: 17% !important;
  }

  .training-modal-card .board-side {
    grid-template-rows: auto minmax(124px, 157px) auto auto auto;
    padding-bottom: 8px;
  }

  .training-modal-card .moves-box {
    min-height: 124px;
    max-height: 157px;
  }

  .training-modal-card .move-history {
    max-height: 97px;
  }

  .training-modal-card .board-side .engine-box-lichess {
    min-height: 282px;
  }

.training-modal-card .board-side #expectedMovesPanel {
    padding: 8px 10px;
    gap: 8px;
  }

  .training-modal-card .board-side #expectedMovesPanel .candidate-moves {
    gap: 8px;
  }

  .training-modal-card .board-side #expectedMovesPanel .expected-move-slot {
    min-width: 50px;
    padding: 9px 8px;
    font-size: 0.9rem;
  }

  .line-editor-lichess-box {
    min-height: 282px;
    grid-template-rows: auto auto minmax(214px, 1fr);
  }

  .line-editor-explorer-table-wrap {
    min-height: 214px;
    max-height: 214px;
    height: 214px;
  }

  .line-editor-side-column .line-editor-move-list {
    max-height: 300px;
    gap: 9px;
  }

  .line-editor-side-column .line-editor-move-button {
    min-height: 24px;
    padding: 5px 9px;
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .line-editor-side-column .line-editor-note {
    font-size: 0.84rem;
    line-height: 1.34;
  }

  .tree-picker-lichess-box {
    min-height: 282px;
    max-height: 282px;
    height: 282px;
  }

  .tree-picker-lichess-box .line-editor-explorer-table-wrap {
    min-height: 214px;
    max-height: 214px;
    height: 214px;
  }

  .tree-node-button {
    padding: 6px 8px;
    font-size: 0.8rem;
    line-height: 1.2;
  }

  .training-modal-card .board-main .board-frame,
  .training-modal-card .board-main .board-frame.board-expanded,
  .line-editor-board-frame,
  .tree-preview-frame,
  .tree-preview-frame.board-expanded {
    width: min(100%, var(--modal-board-size-desktop)) !important;
    justify-self: start !important;
  }

  .training-modal-card .controls,
  .line-editor-footer-actions,
  .tree-action-row {
    width: min(100%, var(--modal-board-size-desktop));
    max-width: min(100%, var(--modal-board-size-desktop));
    justify-self: start;
    margin-left: 0;
  }

  .training-modal-card .controls {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-bottom: 0;
  }

  .line-editor-action-row-all {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .tree-action-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .training-modal-card .controls button,
  .line-editor-action-row-all button,
  .tree-action-row .tree-action-button {
    min-width: 0;
    min-height: 32px;
    height: 32px;
    max-height: 32px;
    padding: 4px 2px;
    font-size: 1rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .line-editor-action-row-all button {
    height: 44px;
    min-height: 44px;
    max-height: 44px;
    padding: 4px 2px;
    font-size: 1rem;
    line-height: 1;
    white-space: nowrap;
  }
}

.sparring-profile-panel {
  align-items: center;
  background: color-mix(in srgb, var(--control-bg) 88%, transparent);
  border: 1px solid var(--control-border);
  border-radius: 12px;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 8px 10px;
}

.sparring-profile-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.sparring-profile-panel[hidden] {
  display: none;
}

.sparring-profile-panel p {
  margin: 0;
}

.sparring-connection-status {
  color: var(--muted);
  display: none;
  font-size: 0.7rem;
  line-height: 1.25;
}

@media (max-width: 920px) {
  .sparring-connection-status {
    display: block;
  }
}

.sparring-profile-panel button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 5px 10px;
}

.training-modal-card--sparring {
  position: relative;
}

.sparring-summary {
  align-items: center;
  background: color-mix(in srgb, var(--modal-overlay-bg) 86%, transparent);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 20px;
  position: absolute;
  z-index: 25;
}

.sparring-summary[hidden] {
  display: none;
}

.sparring-summary-card {
  background: var(--modal-card-bg);
  border: 1px solid var(--modal-card-border);
  border-radius: var(--modal-card-radius);
  box-shadow: var(--shadow);
  max-width: 480px;
  padding: 24px;
  text-align: center;
  width: min(100%, 480px);
}

.sparring-summary-card h3,
.sparring-summary-card p {
  margin-top: 0;
}

.sparring-evaluation-label {
  color: var(--muted);
  margin-bottom: 4px;
}

.sparring-evaluation {
  display: block;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1;
  margin-bottom: 8px;
}

.sparring-evaluation[data-band="equal-or-better"] {
  color: #72c496;
}

.sparring-evaluation[data-band="slightly-worse"] {
  color: #e1c45a;
}

.sparring-evaluation[data-band="moderately-worse"] {
  color: #e39a52;
}

.sparring-evaluation[data-band="clearly-worse"] {
  color: #e06c63;
}

.sparring-scores-wrap {
  max-height: 260px;
  overflow-y: auto;
}

.sparring-scores-table {
  margin-top: 0;
}

.sparring-scores-table thead th {
  background: #3a3632;
  position: sticky;
  top: 0;
  z-index: 1;
}

.training-modal-card .sparring-scores-table th:first-child,
.training-modal-card .sparring-scores-table td:first-child {
  width: 34%;
}

.training-modal-card .sparring-scores-table th:nth-child(n+2),
.training-modal-card .sparring-scores-table td:nth-child(n+2) {
  width: 22%;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 920px) {
  .training-modal-card--sparring .board-side {
    display: grid !important;
  }

  .training-modal-card--sparring #promptText,
  .training-modal-card--sparring #openLichessAnalysisButton {
    display: none !important;
  }

  .training-modal-card--sparring .moves-box {
    min-height: 90px !important;
    max-height: 90px !important;
    padding: 5px 7px !important;
  }

  .training-modal-card--sparring .move-history {
    max-height: 60px !important;
  }

  .training-modal-card--sparring .board-side .engine-box-lichess {
    min-height: 0;
    max-height: none;
    padding: 8px !important;
  }

  .training-modal-card--sparring .sparring-scores-wrap {
    max-height: 235px;
  }

  .training-modal-card--sparring .sparring-scores-table {
    min-width: 0;
  }

  .training-modal-card--sparring .sparring-scores-table th:first-child,
  .training-modal-card--sparring .sparring-scores-table td:first-child {
    width: 34% !important;
  }

  .training-modal-card--sparring .sparring-scores-table th:nth-child(n+2),
  .training-modal-card--sparring .sparring-scores-table td:nth-child(n+2) {
    width: 22% !important;
  }
}