/* ===== Reset & base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Palette lifted from harrisonespino.com */
  --bg: #110d08;
  --bg-elevated: #1a1108;
  --bg-panel: #1e160e;
  --deep-brown: #8b5e3c;
  --amber: #d4a574;
  --gold: #e8c88a;
  --warm-white: #fff8e7;
  --text: #f5e6d3;
  --text-muted: #a8917a;
  --text-dim: #6d5e4d;

  /* Glass surface */
  --glass-bg: rgba(30, 20, 10, 0.55);
  --glass-bg-solid: #1e140a;
  --glass-border: rgba(212, 165, 116, 0.18);
  --glass-border-strong: rgba(212, 165, 116, 0.35);
  --glass-blur: 14px;

  /* Borders */
  --border: rgba(212, 165, 116, 0.14);
  --border-soft: rgba(212, 165, 116, 0.08);
  --divider: rgba(212, 165, 116, 0.12);

  /* Semantic accents */
  --good: #8fd078;          /* warmer green to harmonize with amber */
  --good-soft: rgba(143, 208, 120, 0.2);
  --good-tint: rgba(143, 208, 120, 0.09);
  --okay: var(--amber);
  --warn: #e26a5a;
  --warn-tint: rgba(226, 106, 90, 0.1);

  /* Premium squares (dark theme) */
  --tw: #7d2a22;            /* deep oxblood */
  --dw: #9e4a36;            /* burnt sienna */
  --tl: #2a4e6e;            /* deep slate blue */
  --dl: #4e6f87;            /* steel blue */
  --plain: #2a1f14;         /* dark cocoa, the board base */
  --plain-label: rgba(212, 165, 116, 0.35);

  /* Tiles — amber/gold with dark ink */
  --tile-bg-top: var(--gold);
  --tile-bg-mid: var(--amber);
  --tile-bg-bottom: #b88a5a;
  --tile-ink: #1a1108;
  --tile-blank: #5d4530;
  --tile-edge: rgba(26, 17, 8, 0.35);

  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-2: 0 6px 16px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.3);
  --shadow-3: 0 24px 60px rgba(0, 0, 0, 0.65);
  --glow-amber: 0 0 24px rgba(212, 165, 116, 0.25);
  --glow-good: 0 0 18px rgba(143, 208, 120, 0.35);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font-display: 'Chakra Petch', ui-monospace, 'SF Mono', monospace;
  --font-body: 'Barlow', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
  line-height: 1.5;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(139, 94, 60, 0.22), transparent 60%),
    radial-gradient(ellipse 70% 55% at 90% 100%, rgba(212, 165, 116, 0.12), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

::selection { background: rgba(212, 165, 116, 0.3); color: var(--warm-white); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--deep-brown); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--amber); }

/* ===== Site nav (continuity with harrisonespino.com) ===== */
:root { --nav-height: 64px; }

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
  pointer-events: auto;
}
.site-nav.scrolled {
  background: rgba(17, 13, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-nav-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--warm-white);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}
.site-nav-logo:hover { color: var(--amber); }

@media (max-width: 768px) {
  .site-nav { padding: 0 1rem; }
}

/* ===== App shell ===== */
#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 20px;
  padding-top: calc(20px + var(--nav-height));
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.screen.hidden { display: none; }

/* ===== Typography ===== */
.display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 8.5vw, 3.75rem);
  letter-spacing: -0.015em;
  line-height: 1.02;
  color: var(--warm-white);
}

.lede {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 32ch;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  color: var(--warm-white);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s var(--ease), background 0.2s var(--ease),
              color 0.2s var(--ease), border-color 0.2s var(--ease),
              box-shadow 0.2s var(--ease);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:active:not(:disabled) { transform: scale(0.97); }

.btn-lg {
  padding: 15px 32px;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(180deg, var(--gold) 0%, var(--amber) 100%);
  color: var(--tile-ink);
  border-color: var(--amber);
  box-shadow: 0 1px 0 rgba(26, 17, 8, 0.3), var(--glow-amber);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 1px 0 rgba(26, 17, 8, 0.3), 0 0 30px rgba(212, 165, 116, 0.45);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--glass-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--glass-bg);
  border-color: var(--glass-border-strong);
  color: var(--warm-white);
}

.btn-arrow {
  font-size: 1.05em;
  line-height: 1;
  transition: transform 0.2s var(--ease);
}

.btn:hover:not(:disabled) .btn-arrow { transform: translateX(3px); }

.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.icon-btn:hover {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}

/* ===== INTRO SCREEN ===== */
.screen-intro {
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 24px;
  padding-top: calc(40px + var(--nav-height));
}

.intro-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  max-width: 480px;
}

.logo-mark {
  display: flex;
  gap: 10px;
  margin-bottom: 4px;
}

.logo-tile {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--tile-bg-top) 0%, var(--tile-bg-mid) 50%, var(--tile-bg-bottom) 100%);
  color: var(--tile-ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.25rem;
  letter-spacing: 0;
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.45),
    inset 0 -2px 0 rgba(26, 17, 8, 0.25),
    var(--shadow-2);
}

.logo-tile::after {
  content: attr(data-points);
  position: absolute;
  bottom: 6px;
  right: 9px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.82rem;
  line-height: 1;
  color: rgba(26, 17, 8, 0.6);
}

.logo-tile-good {
  background: linear-gradient(180deg, var(--good) 0%, #6fb960 100%);
  color: var(--bg);
}
.logo-tile-good::after { color: rgba(14, 31, 9, 0.7); }

.logo-tile-gold {
  background: linear-gradient(180deg, var(--gold) 0%, var(--amber) 100%);
}
.logo-tile-gold::after { color: rgba(26, 17, 8, 0.65); }

/* Daily meta row */
.daily-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 360px;
}

.daily-number {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.daily-number span {
  color: var(--gold);
  font-weight: 700;
  margin-left: 6px;
  font-size: 1.05em;
}

.daily-countdown {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.daily-countdown.small { font-size: 0.7rem; }

.countdown-label { color: var(--text-dim); }

.countdown-value {
  color: var(--warm-white);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.intro-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
  width: 100%;
  align-items: center;
}

.intro-actions .btn-primary { min-width: 260px; }
.intro-actions .btn-lg {
  padding: 17px 36px;
  font-size: 1rem;
}

.intro-footnote {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 16px;
  max-width: 40ch;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

/* ===== GAME SCREEN ===== */
.screen-game {
  padding: 14px 16px 20px;
  gap: 14px;
}

.topbar {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 4px 0 10px;
  border-bottom: 1px solid var(--divider);
}

.topbar-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.round-label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm-white);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.round-sep {
  color: var(--text-dim);
  font-weight: 400;
}

.daily-tag {
  color: var(--gold);
  font-weight: 600;
}

.progress-track {
  display: flex;
  gap: 6px;
  align-items: center;
}

.progress-pip {
  width: 26px;
  height: 3px;
  background: rgba(212, 165, 116, 0.15);
  border-radius: 2px;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.progress-pip.active {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(212, 165, 116, 0.5);
}
.progress-pip.done { background: var(--good); }

.topbar-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1;
}

.score-label {
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: 3px;
  font-family: var(--font-display);
}

.score-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.55rem;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 12px rgba(232, 200, 138, 0.25);
}

/* Board */
.board-region { display: flex; justify-content: center; }

.board-frame {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: 8px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 600px;
  box-shadow: var(--shadow-2);
}

.board {
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  grid-template-rows: repeat(15, 1fr);
  gap: 2px;
  background: #0a0604;
  padding: 2px;
  border-radius: 4px;
  width: 100%;
  aspect-ratio: 1;
  touch-action: none;
  perspective: 900px;
}

.cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--plain);
  font-weight: 700;
  font-size: clamp(7px, 1.5vw, 16px);
  border-radius: 2px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  transition: outline 0.12s var(--ease);
}

.cell.tw { background: var(--tw); }
.cell.dw { background: var(--dw); }
.cell.tl { background: var(--tl); }
.cell.dl { background: var(--dl); }
.cell.center { background: var(--dw); }
.cell.center::after {
  content: '★';
  font-size: clamp(10px, 2.4vw, 22px);
  color: var(--gold);
  font-weight: 400;
  line-height: 1;
  text-shadow: 0 0 6px rgba(232, 200, 138, 0.7);
}

.cell.tw::after, .cell.dw:not(.center)::after,
.cell.tl::after, .cell.dl::after {
  position: absolute;
  text-align: center;
  line-height: 1.05;
  font-size: clamp(4px, 0.62vw, 7px);
  font-weight: 600;
  letter-spacing: 0.06em;
  opacity: 0.85;
  text-transform: uppercase;
  white-space: pre;
  pointer-events: none;
  font-family: var(--font-display);
}
.cell.tw::after { content: 'TRIPLE\AWORD'; color: #fce4c4; }
.cell.dw:not(.center)::after { content: 'DOUBLE\AWORD'; color: #fff0dc; }
.cell.tl::after { content: 'TRIPLE\ALETTER'; color: #e2f2ff; }
.cell.dl::after { content: 'DOUBLE\ALETTER'; color: #f0f8ff; }

/* Committed tiles (from simulation) */
.cell.has-tile {
  background: linear-gradient(180deg, var(--tile-bg-top) 0%, var(--tile-bg-mid) 55%, var(--tile-bg-bottom) 100%);
  color: var(--tile-ink);
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: 3px;
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.45),
    inset 0 -1px 0 var(--tile-edge),
    0 1px 2px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.01em;
  font-size: clamp(9px, 1.9vw, 20px);
}

.cell.has-tile::after {
  content: attr(data-points) !important;
  position: absolute !important;
  bottom: 1px;
  right: 2px;
  font-size: clamp(5px, 0.85vw, 10px) !important;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--tile-blank);
  opacity: 0.85 !important;
  text-transform: none !important;
  letter-spacing: normal;
  line-height: 1;
  white-space: normal !important;
}

.cell.has-tile.blank-tile { color: var(--tile-blank); font-style: italic; }

/* Locked board (during commit transition) */
.board.locked { pointer-events: none; }
.board.locked .cell:not(.has-tile):not(.committing) {
  opacity: 0.55;
  transition: opacity 0.3s var(--ease);
}

.move-panel-content.locked {
  opacity: 0.55;
  transition: opacity 0.3s var(--ease);
}

/* Committing — tile snaps from provisional (green) to committed (amber) mid-flip */
.cell.committing {
  background: linear-gradient(180deg, var(--tile-bg-top) 0%, var(--tile-bg-mid) 55%, var(--tile-bg-bottom) 100%) !important;
  color: var(--tile-ink) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.45),
    inset 0 -1px 0 var(--tile-edge),
    0 1px 2px rgba(0, 0, 0, 0.6) !important;
}
.cell.committing::after { color: var(--tile-blank) !important; }
.cell.committing.blank-tile { color: var(--tile-blank) !important; font-style: italic; }

/* Score bubble */
.score-bubble {
  position: fixed;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.25rem;
  letter-spacing: -0.01em;
  color: var(--good);
  pointer-events: none;
  z-index: 500;
  transform: translate(-50%, -50%);
  text-shadow:
    0 0 8px rgba(143, 208, 120, 0.5),
    0 0 24px rgba(143, 208, 120, 0.3),
    0 2px 0 rgba(0, 0, 0, 0.6);
  will-change: transform, opacity;
}

/* Provisional (user-placed) tiles — green / warm glow */
.cell.provisional {
  background: linear-gradient(180deg, #b7e4a4 0%, var(--good) 55%, #5fa352 100%);
  color: #0e1f09;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 rgba(14, 31, 9, 0.35),
    0 0 0 2px rgba(143, 208, 120, 0.35),
    0 0 12px rgba(143, 208, 120, 0.35);
  cursor: grab;
  touch-action: none;
}
.cell.provisional::after { color: rgba(14, 31, 9, 0.65); }

.cell.drop-target:not(.has-tile) {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
  background: rgba(212, 165, 116, 0.14);
}
.cell.drop-target.provisional {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.cell.tap-target:not(.has-tile):not(.provisional) {
  cursor: pointer;
}
.cell.tap-target:not(.has-tile):not(.provisional)::before {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 2px;
  border: 1.5px dashed rgba(212, 165, 116, 0.4);
  pointer-events: none;
}

/* ===== Move status panel ===== */
.move-panel { min-height: 56px; display: flex; align-items: center; }

.move-panel-content {
  width: 100%;
  padding: 12px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  min-height: 56px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.move-panel-content.valid {
  border-color: var(--good);
  background: rgba(143, 208, 120, 0.08);
  box-shadow: var(--glow-good);
}
.move-panel-content.invalid {
  border-color: var(--warn);
  background: rgba(226, 106, 90, 0.08);
}

.status-hint {
  color: var(--text-muted);
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

.status-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  color: var(--bg);
}
.status-icon.valid { background: var(--good); }
.status-icon.invalid { background: var(--warn); color: var(--warm-white); }

.status-message {
  font-size: 0.88rem;
  color: var(--text);
  flex: 1;
}

.word-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.word-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 3px 10px;
  background: var(--glass-bg-solid);
  border: 1px solid var(--glass-border);
  border-radius: 3px;
  font-size: 0.82rem;
  font-family: var(--font-display);
}

.word-pill .word-text {
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--warm-white);
  text-transform: uppercase;
}

.word-pill .word-pts {
  color: var(--good);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.word-pill.invalid .word-text {
  color: var(--warn);
  text-decoration: line-through;
  text-decoration-color: rgba(226, 106, 90, 0.5);
}

.total-score {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--good);
  font-variant-numeric: tabular-nums;
  margin-left: auto;
  white-space: nowrap;
  text-shadow: 0 0 10px rgba(143, 208, 120, 0.35);
}

.bingo-badge {
  display: inline-block;
  padding: 3px 10px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--amber) 100%);
  color: var(--tile-ink);
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--font-display);
  box-shadow: 0 0 12px rgba(212, 165, 116, 0.35);
}

/* ===== Rack ===== */
.rack-region { display: flex; justify-content: center; }

.rack-frame {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  width: 100%;
  max-width: 600px;
  box-shadow: var(--shadow-1);
}

.rack {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  touch-action: none;
}

.rack-slot {
  aspect-ratio: 1;
  background: rgba(10, 6, 4, 0.6);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6);
  transition: background 0.12s var(--ease);
}

.rack-slot.drop-target {
  background: rgba(212, 165, 116, 0.18);
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.rack-tile, .tile-ghost {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(180deg, var(--tile-bg-top) 0%, var(--tile-bg-mid) 55%, var(--tile-bg-bottom) 100%);
  color: var(--tile-ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 4vw, 34px);
  border-radius: 6px;
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.5),
    inset 0 -2px 0 var(--tile-edge),
    0 2px 6px rgba(0, 0, 0, 0.55);
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  letter-spacing: 0.01em;
}

.rack-tile.blank-tile, .tile-ghost.blank-tile {
  color: var(--tile-blank);
  font-style: italic;
}

.rack-tile::after, .tile-ghost::after {
  content: attr(data-points);
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-size: clamp(9px, 1.3vw, 12px);
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--tile-blank);
  opacity: 0.85;
  line-height: 1;
}

.rack-tile:active { cursor: grabbing; }

.rack-tile.selected {
  background: linear-gradient(180deg, #b7e4a4 0%, var(--good) 55%, #5fa352 100%);
  color: #0e1f09;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -2px 0 rgba(14, 31, 9, 0.35),
    0 0 0 2px var(--amber),
    0 4px 14px rgba(143, 208, 120, 0.45);
  transform: translateY(-3px);
}

.tile-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  width: 52px;
  height: 52px;
  font-size: 26px;
  transform: scale(1.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.5),
    inset 0 -2px 0 var(--tile-edge),
    0 12px 28px rgba(0, 0, 0, 0.6),
    0 0 0 2px rgba(212, 165, 116, 0.4),
    0 0 24px rgba(212, 165, 116, 0.35);
}

/* ===== Actions ===== */
.action-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  padding-top: 4px;
}

.action-row .btn { flex: 1; max-width: 240px; }

/* ===== REVIEW SCREEN ===== */
.screen-review {
  justify-content: center;
  align-items: center;
  padding: 40px 24px;
}

.review-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 480px;
  width: 100%;
}

.review-badge {
  padding: 5px 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--warm-white);
  border: 1px solid var(--glass-border-strong);
  border-radius: 3px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.review-badge.grade-s { background: var(--good); color: var(--bg); border-color: var(--good); box-shadow: var(--glow-good); }
.review-badge.grade-a { background: var(--good); color: var(--bg); border-color: var(--good); }
.review-badge.grade-b { background: var(--amber); color: var(--bg); border-color: var(--amber); }
.review-badge.grade-c { background: var(--deep-brown); color: var(--warm-white); border-color: var(--deep-brown); }
.review-badge.grade-d { background: var(--warn); color: var(--warm-white); border-color: var(--warn); }

.review-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--warm-white);
  margin: 0;
}

.review-percentage {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 8px 0;
}

.percent-ring { position: relative; width: 100%; height: 100%; }

.ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: rgba(212, 165, 116, 0.15);
  stroke-width: 8;
}

.ring-fg {
  fill: none;
  stroke: var(--good);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 276.46;
  stroke-dashoffset: 276.46;
  transition: stroke-dashoffset 0.9s var(--ease);
  filter: drop-shadow(0 0 6px rgba(143, 208, 120, 0.5));
}

.ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: baseline;
  gap: 3px;
  line-height: 1;
  white-space: nowrap;
}

.ring-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3.4rem;
  color: var(--warm-white);
  letter-spacing: -0.01em;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.ring-pct {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  color: var(--text-muted);
  line-height: 0.9;
}

.review-compare {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 16px 14px;
}

.compare-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.compare-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.compare-word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--warm-white);
  word-break: break-all;
  text-align: center;
}

.compare-score {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}

.compare-item.you .compare-score { color: var(--gold); }
.compare-item.best .compare-score { color: var(--good); }

.compare-vs {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

/* ===== FINAL SCREEN ===== */
.screen-final {
  justify-content: center;
  align-items: center;
  padding: 40px 24px;
}

.final-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  max-width: 440px;
  width: 100%;
  text-align: center;
}

.final-badge {
  padding: 5px 16px;
  background: var(--good);
  color: var(--bg);
  border-radius: 3px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: var(--glow-good);
}

.final-score {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0;
}

.final-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.5rem, 14vw, 6rem);
  letter-spacing: -0.02em;
  color: var(--gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 28px rgba(232, 200, 138, 0.45);
}

.final-units {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.share-row {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 4px;
}
.share-row .btn { min-width: 220px; }

.lb-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.lb-actions .btn { min-width: 220px; }

.final-breakdown {
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--divider);
  font-size: 0.95rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}
.bd-row:last-child { border-bottom: none; }

.bd-row > span:first-child { color: var(--text-muted); }
.bd-row > span:last-child {
  font-weight: 600;
  color: var(--warm-white);
  font-variant-numeric: tabular-nums;
}

.bd-total {
  padding-top: 12px;
  margin-top: 4px;
  border-top: 1px solid var(--glass-border-strong);
  border-bottom: none;
}
.bd-total > span:first-child {
  color: var(--warm-white);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}
.bd-total > span:last-child { font-size: 1.25rem; color: var(--good); }

.submit-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.submit-label {
  font-family: var(--font-display);
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.submit-row {
  display: flex;
  gap: 8px;
}

.name-input {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.name-input::placeholder { color: var(--text-dim); }
.name-input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.18);
}
.name-input.error {
  border-color: var(--warn);
  box-shadow: 0 0 0 3px rgba(226, 106, 90, 0.18);
}

.submit-error {
  font-size: 0.85rem;
  color: var(--warn);
  padding: 8px 12px;
  background: rgba(226, 106, 90, 0.08);
  border: 1px solid rgba(226, 106, 90, 0.3);
  border-radius: 6px;
  text-align: left;
}

.submit-form .btn-ghost {
  margin-top: 4px;
  align-self: center;
}

/* ===== LEADERBOARD ===== */
.screen-leaderboard {
  gap: 14px;
  padding: 14px 16px 24px;
}

.leaderboard-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.leaderboard-list {
  list-style: none;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--divider);
  font-size: 0.95rem;
  position: relative;
  transition: background 0.15s var(--ease);
}
.leaderboard-row:last-child { border-bottom: none; }

.leaderboard-row.you {
  background: rgba(143, 208, 120, 0.08);
}
.leaderboard-row.you::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--good);
  box-shadow: 0 0 10px rgba(143, 208, 120, 0.5);
}

.lb-rank {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}
.leaderboard-row.top1 .lb-rank { color: var(--gold); text-shadow: 0 0 10px rgba(232, 200, 138, 0.4); }
.leaderboard-row.top2 .lb-rank { color: #c0a98f; }
.leaderboard-row.top3 .lb-rank { color: #a07b50; }

.lb-name {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-score {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--warm-white);
  font-variant-numeric: tabular-nums;
}

.leaderboard-empty {
  padding: 48px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

/* ===== Modal (blank picker) ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 6, 4, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  display: none;
}
.modal-overlay.show { display: flex; }

.modal {
  background: var(--glass-bg-solid);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  padding: 22px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow-3);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--warm-white);
  text-align: center;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.picker-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.picker-btn {
  aspect-ratio: 1;
  background: linear-gradient(180deg, var(--tile-bg-top) 0%, var(--tile-bg-mid) 55%, var(--tile-bg-bottom) 100%);
  color: var(--tile-ink);
  border: none;
  border-radius: 5px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.5),
    inset 0 -1px 0 var(--tile-edge),
    var(--shadow-1);
  transition: transform 0.1s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.picker-btn:hover { transform: translateY(-1px); }
.picker-btn:active { transform: translateY(1px); }

.modal-cancel { align-self: center; min-width: 120px; }

/* ===== Responsive ===== */
@media (max-width: 520px) {
  .screen-game { padding: 10px 12px 16px; gap: 10px; }
  .topbar { padding: 2px 0 8px; }
  .round-label { font-size: 0.85rem; }
  .score-value { font-size: 1.3rem; }
  .progress-pip { width: 22px; }

  .board-frame { padding: 6px; }
  .board { gap: 1px; padding: 1px; }
  .cell { font-size: clamp(8px, 2.2vw, 14px); }
  .cell.has-tile { font-size: clamp(9px, 2.5vw, 16px); }
  .cell.has-tile::after { font-size: clamp(5px, 1.3vw, 8px) !important; }
  .cell.tw::after, .cell.dw:not(.center)::after,
  .cell.tl::after, .cell.dl::after { font-size: clamp(3px, 0.95vw, 6px); }

  .rack-frame { padding: 8px 10px; }
  .rack { gap: 6px; }
  .rack-tile { font-size: clamp(18px, 5.5vw, 28px); }

  .move-panel-content { padding: 10px 14px; min-height: 48px; font-size: 0.85rem; }
  .total-score { font-size: 1.3rem; }

  .action-row .btn { padding: 12px 18px; font-size: 0.82rem; }

  .picker-grid { grid-template-columns: repeat(6, 1fr); }
}

@media (max-width: 380px) {
  .picker-grid { grid-template-columns: repeat(5, 1fr); }
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  padding: 10px 18px;
  background: var(--glass-bg-solid);
  border: 1px solid var(--glass-border-strong);
  border-radius: 999px;
  color: var(--warm-white);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-2), var(--glow-amber);
  z-index: 3000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.1s !important; }
}