:root {
  --font-display: "DM Serif Display", serif;
  --font-body: "Plus Jakarta Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --step--1: clamp(0.8rem, 0.78rem + 0.08vw, 0.88rem);
  --step-0: clamp(1rem, 0.96rem + 0.18vw, 1.1rem);
  --step-1: clamp(1.25rem, 1.17rem + 0.3vw, 1.38rem);
  --step-2: clamp(1.56rem, 1.42rem + 0.48vw, 1.72rem);
  --step-3: clamp(1.95rem, 1.72rem + 0.76vw, 2.2rem);
  --step-4: clamp(2.44rem, 2.07rem + 1.16vw, 2.9rem);
  --step-5: clamp(3.05rem, 2.48rem + 1.74vw, 3.8rem);

  --color-canvas: #f7f1e8;
  --color-surface: #e6dac8;
  --color-surface-strong: #d8c5ac;
  --color-ink: #1c1511;
  --color-ink-soft: #5a4b41;
  --color-ink-muted: #7d6d62;
  --color-accent: #8f3d2e;
  --color-accent-strong: #6f271d;
  --color-line: rgba(28, 21, 17, 0.12);
  --color-shadow: rgba(56, 31, 21, 0.14);
  --color-good: #2d6a4f;
  --color-warn: #b36a1d;

  --space-xs: clamp(0.5rem, 0.45rem + 0.2vw, 0.75rem);
  --space-sm: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --space-md: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --space-lg: clamp(1.75rem, 1.5rem + 0.8vw, 2.25rem);
  --space-xl: clamp(2.5rem, 2rem + 1.2vw, 3.5rem);
  --space-2xl: clamp(3.5rem, 2.8rem + 1.8vw, 5rem);
  --space-3xl: clamp(5rem, 4rem + 2.8vw, 7rem);

  --motion-fast: 180ms;
  --motion-base: 280ms;
  --motion-slow: 520ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-settle: cubic-bezier(0.25, 1, 0.5, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(143, 61, 46, 0.12), transparent 32rem),
    linear-gradient(180deg, #fbf7f2 0%, var(--color-canvas) 28%, #efe2d1 100%);
  color: var(--color-ink);
  font-family: var(--font-body);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, transparent 0, transparent calc(100% - 1px), rgba(28, 21, 17, 0.03) calc(100% - 1px)),
    linear-gradient(to bottom, transparent 0, transparent calc(100% - 1px), rgba(28, 21, 17, 0.03) calc(100% - 1px));
  background-size: 4rem 4rem;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2 * var(--space-lg)));
  margin: 0 auto;
  padding: var(--space-lg) 0 var(--space-3xl);
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
}

.channel-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2 * var(--space-md)));
  margin: 0 auto;
  padding: var(--space-md) 0 var(--space-xl);
}

.channel-masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.channel-wordmark {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink-muted);
}

.channel-stage {
  display: grid;
  gap: var(--space-md);
}

.channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.6rem + 1.8vw, 3.4rem);
  line-height: 0.96;
  font-weight: 400;
}

.channel-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.65fr);
  gap: var(--space-md);
}

.channel-panel,
.channel-sidebar {
  padding: var(--space-md);
}

.channel-meta-row {
  display: flex;
  justify-content: flex-end;
}

.channel-link {
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: var(--step--1);
}

.channel-link:hover,
.channel-link:focus-visible {
  color: var(--color-accent);
  outline: none;
}

.channel-list li {
  align-items: baseline;
}

.brand {
  display: grid;
  gap: var(--space-xs);
}

.eyebrow,
.mono {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.brand-title,
.page-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-4);
  line-height: 0.92;
  font-weight: 400;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.nav a,
.chip,
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0.8rem 2rem -1.2rem var(--color-shadow);
  text-decoration: none;
  transition:
    transform var(--motion-fast) var(--ease-spring),
    background var(--motion-base) var(--ease-settle),
    border-color var(--motion-base) var(--ease-settle);
}

.nav a:hover,
.nav a:focus-visible,
.button:hover,
.button:focus-visible,
.chip:hover,
.chip:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(143, 61, 46, 0.35);
  outline: none;
}

.button--accent {
  background: var(--color-accent);
  color: var(--color-canvas);
  border-color: var(--color-accent);
}

.hero,
.panel,
.card,
.stat {
  background: rgba(255, 251, 245, 0.72);
  border: 1px solid var(--color-line);
  border-radius: 2rem;
  box-shadow: 0 1.4rem 3rem -1.8rem var(--color-shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.lede {
  max-width: 54rem;
  margin: 0;
  font-size: var(--step-1);
  color: var(--color-ink-soft);
}

.toolbar,
.split,
.stats,
.grid {
  display: grid;
  gap: var(--space-md);
}

.toolbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.split {
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.9fr);
}

.player-shell {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  background: rgba(28, 21, 17, 0.08);
}

.player-frame {
  display: block;
  width: 100%;
  border-radius: 1.5rem;
  background: #000;
}

.channel-activate {
  position: absolute;
  left: 50%;
  bottom: var(--space-md);
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  background: rgba(28, 21, 17, 0.82);
  color: var(--color-canvas);
  box-shadow: 0 1rem 2rem -1.25rem rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
}

.channel-activate:hover,
.channel-activate:focus-visible {
  background: rgba(28, 21, 17, 0.92);
  outline: none;
}

.subtitle-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.subtitle-overlay--active {
  display: block;
}

.subtitle-image {
  position: absolute;
  display: block;
  filter: drop-shadow(0 0.2rem 0.8rem rgba(28, 21, 17, 0.35));
}

.trickplay-shell {
  position: relative;
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-sm);
  border: 1px solid var(--color-line);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.62);
}

.trickplay-preview {
  position: absolute;
  bottom: calc(100% + var(--space-sm));
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  transform: translateX(-50%);
  pointer-events: none;
}

.trickplay-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 1rem;
  background: var(--color-surface);
  box-shadow: 0 1rem 2rem -1.4rem var(--color-shadow);
}

.trickplay-image {
  position: absolute;
  display: block;
}

.trickplay-slider {
  width: 100%;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.trickplay-slider:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 0.2rem;
}

.trickplay-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}

.chapter-track {
  position: relative;
  height: 0.85rem;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(207, 173, 134, 0.24), rgba(125, 72, 59, 0.14));
  border: 1px solid rgba(125, 72, 59, 0.18);
}

.chapter-marker {
  position: absolute;
  top: 50%;
  width: 0.55rem;
  height: 0.55rem;
  margin-left: -0.275rem;
  border: none;
  border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 0 0.12rem rgba(255, 248, 237, 0.8);
  transform: translateY(-50%);
  cursor: pointer;
}

.chapter-marker:hover,
.chapter-marker:focus-visible {
  background: var(--color-accent-strong);
  outline: none;
}

.search {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 0.95rem 1.15rem;
  background: rgba(255, 255, 255, 0.72);
}

.grid {
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.card,
.panel,
.stat {
  padding: var(--space-lg);
}

.card h3,
.panel h3,
.stat h3 {
  margin-top: 0;
}

.meta {
  color: var(--color-ink-soft);
}

.artwork {
  min-height: 22rem;
  border-radius: 1.75rem;
  border: 1px solid var(--color-line);
  background:
    linear-gradient(135deg, rgba(143, 61, 46, 0.25), rgba(216, 197, 172, 0.8)),
    center / cover no-repeat;
}

.stack {
  display: grid;
  gap: var(--space-sm);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ink-soft);
}

.status::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--color-good);
}

.status--warn::before {
  background: var(--color-warn);
}

.empty {
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-ink-muted);
}

.detail-list {
  display: grid;
  gap: var(--space-xs);
  padding: 0;
  margin: 0;
  list-style: none;
}

.detail-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-line);
}

.inline-form {
  display: grid;
  gap: var(--space-sm);
}

.footer-note {
  margin-top: var(--space-2xl);
  color: var(--color-ink-muted);
  font-size: var(--step--1);
}

@media (max-width: 900px) {
  .toolbar,
  .split,
  .channel-layout {
    grid-template-columns: 1fr;
  }

  .brand-title,
  .page-title,
  .channel-title {
    font-size: var(--step-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ── Game Sidebar ─────────────────────────────────────────────────────────── */

.game-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 22rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  background: rgba(251, 247, 242, 0.96);
  border-left: 1px solid var(--color-line);
  box-shadow: -0.5rem 0 2.5rem -0.5rem var(--color-shadow);
  backdrop-filter: blur(20px);
  transform: translateX(100%);
  transition: transform var(--motion-base) var(--ease-out-expo);
  overflow: hidden;
}

.game-sidebar--open {
  transform: translateX(0);
}

.game-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-line);
  flex-shrink: 0;
}

.game-sidebar__title {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0;
}

.game-sidebar__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--color-ink-muted);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  transition: background var(--motion-fast) var(--ease-settle);
}

.game-sidebar__close:hover {
  background: var(--color-surface);
}

.game-sidebar__tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-line);
  flex-shrink: 0;
}

.game-tab {
  flex: 1;
  padding: 0.65rem var(--space-sm);
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition:
    color var(--motion-fast) var(--ease-settle),
    border-color var(--motion-fast) var(--ease-settle);
}

.game-tab--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.game-sidebar__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.game-new-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
}

.game-new-section .button {
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: var(--step--1);
  justify-content: center;
}

/* Game toggle button (floats fixed at edge of page) */
.game-toggle {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 99;
  writing-mode: vertical-rl;
  border-radius: 0.75rem 0 0 0.75rem;
  border: 1px solid var(--color-line);
  border-right: none;
  background: rgba(251, 247, 242, 0.92);
  color: var(--color-ink-soft);
  padding: 0.75rem 0.45rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  box-shadow: -0.2rem 0 1rem -0.2rem var(--color-shadow);
  transition:
    background var(--motion-fast) var(--ease-settle),
    right var(--motion-base) var(--ease-out-expo);
}

.game-toggle--sidebar-open {
  right: 22rem;
}

.game-toggle:hover {
  background: rgba(255, 255, 255, 0.95);
}

/* ── Chess Board ──────────────────────────────────────────────────────────── */

.chess-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  aspect-ratio: 1;
  border: 2px solid var(--color-surface-strong);
  border-radius: 0.5rem;
  overflow: hidden;
  user-select: none;
}

.chess-rank-labels,
.chess-file-labels {
  display: flex;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-ink-muted);
}

.chess-rank-labels {
  flex-direction: column;
  justify-content: space-around;
  padding: 0.15rem 0.3rem 0.15rem 0;
}

.chess-file-labels {
  justify-content: space-around;
  padding: 0.3rem 0 0 0.15rem;
}

.chess-board-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: 1fr auto;
  gap: 0;
}

.chess-square {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-settle);
  position: relative;
}

.chess-square--light {
  background: #f0d9b5;
}

.chess-square--dark {
  background: #b58863;
}

.chess-square--selected {
  background: #7fc97f !important;
}

.chess-square--last-move {
  background: rgba(255, 215, 0, 0.45) !important;
}

.chess-square--selected.chess-square--light,
.chess-square--selected.chess-square--dark {
  background: #7fc97f !important;
}

.chess-piece {
  font-size: 1.4rem;
  line-height: 1;
  pointer-events: none;
}

.chess-status {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--color-ink-soft);
  text-align: center;
  padding: var(--space-xs) 0;
}

/* ── Yahtzee ──────────────────────────────────────────────────────────────── */

.yahtzee-dice {
  display: flex;
  gap: var(--space-xs);
  justify-content: center;
}

.yahtzee-die {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  line-height: 1;
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--color-line);
  border-radius: 0.6rem;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition:
    transform var(--motion-fast) var(--ease-spring),
    border-color var(--motion-fast) var(--ease-settle),
    background var(--motion-fast) var(--ease-settle);
  user-select: none;
}

.yahtzee-die:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.yahtzee-die--held {
  border-color: var(--color-accent);
  background: rgba(143, 61, 46, 0.12);
  transform: translateY(-4px);
}

.yahtzee-roll-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.yahtzee-rolls-left {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--color-ink-muted);
}

.yahtzee-scorecard {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--step--1);
}

.yahtzee-scorecard th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  text-align: left;
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--color-line);
}

.yahtzee-scorecard td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-soft);
}

.yahtzee-scorecard td:last-child {
  text-align: right;
  font-family: var(--font-mono);
}

.yahtzee-scorecard tr.yahtzee-category--scored td {
  color: var(--color-ink-muted);
}

.yahtzee-scorecard tr.yahtzee-category--available {
  cursor: pointer;
}

.yahtzee-scorecard tr.yahtzee-category--available:hover td {
  background: rgba(143, 61, 46, 0.07);
  color: var(--color-accent);
}

.yahtzee-scorecard tr.yahtzee-category--section-header td {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  background: rgba(28, 21, 17, 0.03);
  padding-top: 0.6rem;
}

.game-result-banner {
  padding: var(--space-md);
  border-radius: 1rem;
  background: rgba(143, 61, 46, 0.1);
  border: 1px solid rgba(143, 61, 46, 0.2);
  text-align: center;
}

.game-result-banner .eyebrow {
  display: block;
  margin-bottom: 0.25rem;
}

.game-result-banner strong {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--color-accent-strong);
}

.game-toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(0);
  z-index: 200;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: var(--color-ink);
  color: var(--color-canvas);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  box-shadow: 0 0.5rem 2rem -0.5rem var(--color-shadow);
  pointer-events: none;
  opacity: 1;
  transition:
    opacity var(--motion-slow) var(--ease-settle),
    transform var(--motion-slow) var(--ease-settle);
}

.game-toast--hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(0.5rem);
}