/* ==========================================================================
   Poodle Chess — Puzzles + My Puzzles shared styles
   Concept "Mission Control": dark canvas, telemetry, targeting reticle
   ========================================================================== */

body.puzzle-page {
  --void-950: #08090b;
  --void-900: #101216;
  --void-850: #15181c;
  --void-800: #1c2025;
  --hairline: rgba(255,255,255,0.09);
  --hairline-strong: rgba(255,255,255,0.18);

  --text-100: #f4f5f2;
  --text-400: #9aa19e;
  --text-600: #666d6c;

  --accent-300: #8fe8bf;
  --accent-400: #4fd1a0;
  --accent-500: #33b385;
  --accent-tint: rgba(79, 209, 160, 0.12);
  --accent-tint-strong: rgba(79, 209, 160, 0.22);

  --amber-300: #ffcd94;
  --amber-400: #ffb454;
  --amber-600: #cc7a1f;
  --amber-tint: rgba(255, 180, 84, 0.13);

  --red-400: #ff6b5f;
  --red-tint: rgba(255, 107, 95, 0.14);

  --sq-light: #f0d9b5;
  --sq-dark: #b58863;

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;

  --space-1: 0.4rem; --space-2: 0.8rem; --space-3: 1.2rem;
  --space-4: 1.8rem; --space-5: 2.6rem; --space-6: 3.8rem;
  --radius-sm: 10px; --radius-md: 16px; --radius-lg: 22px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-press: cubic-bezier(0.4, 0, 0.2, 1);

  background: var(--void-950);
  color: var(--text-100);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: clip;
}

body.puzzle-page [hidden] { display: none !important; }
body.puzzle-page * { box-sizing: border-box; }
body.puzzle-page a { color: inherit; text-decoration: none; }
body.puzzle-page button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
body.puzzle-page h1, body.puzzle-page h2, body.puzzle-page h3, body.puzzle-page h4, body.puzzle-page p { margin: 0; }

body.puzzle-page::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60% 45% at 14% -6%, rgba(79,209,160,0.10), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(255,180,84,0.06), transparent 60%);
}

/* ==========================================================================
   Master Edition palettes (TZ §6.2) — exact values, applied per theme
   ========================================================================== */

html[data-theme="tournament"] body.puzzle-page {
  --void-950: #0b0e0f;
  --void-900: #141819;
  --void-850: #1b2022;
  --void-800: #23292b;
  --hairline: #303638;
  --hairline-strong: rgba(245, 241, 232, 0.18);
  --text-100: #f5f1e8;
  --text-400: #aaa69d;
  --text-600: #7d7971;
  --accent-300: #efb45b;
  --accent-400: #d7a04a;
  --accent-500: #b8863a;
  --accent-tint: rgba(215, 160, 74, 0.12);
  --accent-tint-strong: rgba(215, 160, 74, 0.22);
  --success: #55b787;
  --danger: #e06a5f;
  --sq-light: #e5c794;
  --sq-dark: #8b5d3e;
}
html[data-theme="tournament"] body.puzzle-page::before {
  background:
    radial-gradient(60% 45% at 14% -6%, rgba(215,160,74,0.10), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(85,183,135,0.05), transparent 60%);
}
html[data-theme="tournament"] body.puzzle-page .site-header { background: rgba(11, 14, 15, 0.72); }

html[data-theme="emerald"] body.puzzle-page {
  --void-950: #262522;
  --void-900: #312e2b;
  --void-850: #3a3734;
  --void-800: #44403c;
  --hairline: #55514d;
  --hairline-strong: rgba(243, 243, 243, 0.18);
  --text-100: #f3f3f3;
  --text-400: #b8b6b3;
  --text-600: #8a8783;
  --accent-300: #9bcf64;
  --accent-400: #81b64c;
  --accent-500: #6b9c3e;
  --accent-tint: rgba(129, 182, 76, 0.12);
  --accent-tint-strong: rgba(129, 182, 76, 0.22);
  --success: #81b64c;
  --danger: #e36b5d;
  --sq-light: #ebecd0;
  --sq-dark: #779556;
}
html[data-theme="emerald"] body.puzzle-page::before {
  background:
    radial-gradient(60% 45% at 14% -6%, rgba(129,182,76,0.10), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(227,107,93,0.05), transparent 60%);
}
html[data-theme="emerald"] body.puzzle-page .site-header { background: rgba(38, 37, 34, 0.72); }

html[data-theme="paper"] body.puzzle-page {
  color-scheme: light;
  --void-950: #efe5d2;
  --void-900: #fffaf0;
  --void-850: #f4ead8;
  --void-800: #e9dcc4;
  --hairline: #cbbda7;
  --hairline-strong: rgba(43, 33, 27, 0.18);
  --text-100: #2b211b;
  --text-400: #6f6258;
  --text-600: #8a7d70;
  --accent-300: #a86a45;
  --accent-400: #8b4f2f;
  --accent-500: #6f3820;
  --accent-tint: rgba(139, 79, 47, 0.12);
  --accent-tint-strong: rgba(139, 79, 47, 0.22);
  --success: #3f7d5b;
  --danger: #aa473d;
  --sq-light: #f0d9b5;
  --sq-dark: #8b5a3c;
}
html[data-theme="paper"] body.puzzle-page::before {
  background:
    radial-gradient(60% 45% at 14% -6%, rgba(139,79,47,0.08), transparent 60%),
    radial-gradient(50% 40% at 100% 0%, rgba(63,125,91,0.05), transparent 60%);
}
html[data-theme="paper"] body.puzzle-page .site-header { background: rgba(239, 229, 210, 0.78); }

/* ==========================================================================
   Header
   ========================================================================== */

body.puzzle-page .site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(8, 9, 11, 0.72);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid var(--hairline);
}
body.puzzle-page .nav-shell {
  max-width: 1180px; margin: 0 auto; padding: var(--space-2) var(--space-4);
  display: flex; align-items: center; gap: var(--space-4); min-height: 60px;
}
body.puzzle-page .brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  text-decoration: none; color: var(--text-100);
  font-family: var(--font-display); font-weight: 600; font-size: 1.1rem;
  letter-spacing: -0.01em; margin-right: auto;
}
body.puzzle-page .brand svg, body.puzzle-page .brand img { display: block; }

body.puzzle-page .site-nav { display: flex; gap: var(--space-4); overflow-x: auto; scrollbar-width: none; }
body.puzzle-page .site-nav::-webkit-scrollbar { display: none; }
body.puzzle-page .site-nav a {
  position: relative; color: var(--text-400); text-decoration: none;
  font-size: 0.92rem; font-weight: 500; white-space: nowrap;
  padding-block: 0.3rem; transition: color 0.2s var(--ease);
}
body.puzzle-page .site-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -3px;
  height: 2px; border-radius: 1px; background: var(--accent-400);
  transition: right 0.28s var(--ease);
}
body.puzzle-page .site-nav a:hover { color: var(--text-100); }
body.puzzle-page .site-nav a:hover::after { right: 0; }
body.puzzle-page .site-nav a[aria-current="page"] { color: var(--text-100); font-weight: 600; }
body.puzzle-page .site-nav a[aria-current="page"]::after { right: 0; }

body.puzzle-page .header-utilities { display: flex; align-items: center; gap: var(--space-3); }

body.puzzle-page .mission-clock {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.03em;
  color: var(--text-400); white-space: nowrap;
}
body.puzzle-page .mission-clock .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent-400);
  box-shadow: 0 0 0 0 var(--accent-tint-strong);
  animation: live-pulse 2.2s var(--ease) infinite;
}

body.puzzle-page .global-account-link {
  display: inline-flex; align-items: center; min-height: 40px;
  color: var(--text-100); background: transparent; border: 1px solid var(--hairline-strong);
  text-decoration: none; font-size: 0.88rem; font-weight: 600;
  padding: 0 1.05rem; border-radius: 999px;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.12s var(--ease-press);
}
body.puzzle-page .global-account-link:hover { border-color: var(--accent-400); background: var(--void-850); }
body.puzzle-page .global-account-link:active { transform: scale(0.97); }

@media (max-width: 930px) {
  body.puzzle-page .nav-shell { flex-wrap: nowrap; gap: 12px; }
  body.puzzle-page .site-nav { order: initial; width: auto; min-width: 0; flex: 1; overflow-x: auto; }
  body.puzzle-page .header-utilities { margin-inline-start: auto; flex: none; }
}
@media (max-width: 620px) {
  body.puzzle-page .nav-shell { width: min(calc(100% - 22px), 1180px); gap: 8px; overflow: hidden; }
  body.puzzle-page .brand span { display: none; }
  body.puzzle-page .site-nav { flex: 1; }
}

/* ==========================================================================
   Layout + hero
   ========================================================================== */

body.puzzle-page .puzzle-main {
  position: relative; z-index: 1; max-width: 1180px; margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-5);
}

body.puzzle-page .hero-field { position: relative; }
body.puzzle-page .hero-field::before {
  content: ""; position: absolute; inset: -1.5rem 0 auto 0; height: 220px; z-index: -1;
  background-image:
    linear-gradient(to right, var(--hairline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(60% 100% at 20% 20%, #000 40%, transparent 85%);
  mask-image: radial-gradient(60% 100% at 20% 20%, #000 40%, transparent 85%);
  opacity: 0.6;
}

body.puzzle-page .puzzle-intro {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: var(--space-4); padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--hairline);
  animation: rise 0.6s var(--ease) both;
}

body.puzzle-page .puzzle-kicker, body.puzzle-page .eyebrow {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-400); margin: 0 0 var(--space-2);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
body.puzzle-page .puzzle-kicker.live::before, body.puzzle-page .eyebrow.live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-400);
  box-shadow: 0 0 0 0 var(--accent-tint-strong); animation: live-pulse 2.2s var(--ease) infinite;
}

body.puzzle-page .puzzle-intro h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.3rem, 4.6vw, 3.8rem); line-height: 1.04; letter-spacing: -0.015em;
  margin: 0; color: var(--text-100);
}
body.puzzle-page .puzzle-intro h1 .word {
  display: inline-block; animation: word-focus 0.7s var(--ease) both;
}
body.puzzle-page .puzzle-intro h1 .word:nth-child(1) { animation-delay: 0.02s; }
body.puzzle-page .puzzle-intro h1 .word:nth-child(2) { animation-delay: 0.08s; }
body.puzzle-page .puzzle-intro h1 em {
  font-style: italic; font-weight: 500; color: var(--accent-400);
  display: inline-block; animation-delay: 0.16s;
  text-shadow: 0 0 28px var(--accent-tint-strong);
}
body.puzzle-page .puzzle-intro > p {
  max-width: 34ch; margin: 0; color: var(--text-400); font-size: 1rem; line-height: 1.6;
}

body.puzzle-page .puzzle-status { font-size: 0.88rem; }
body.puzzle-page .puzzle-status:empty { display: none; }
body.puzzle-page .puzzle-status:not(:empty) {
  background: var(--void-850); border: 1px solid var(--hairline); border-left: 3px solid var(--accent-400);
  border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3);
  color: var(--text-400); font-size: 0.82rem; font-weight: 500;
}
body.puzzle-page .puzzle-status.error { border-left-color: var(--red-400); color: var(--red-400); }
body.puzzle-page .puzzle-status.success { border-left-color: var(--accent-400); color: var(--accent-300); }

/* ==========================================================================
   Stat cards
   ========================================================================== */

body.puzzle-page .stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }

body.puzzle-page .card.stat-card {
  position: relative; overflow: hidden;
  background: var(--void-850); border: 1px solid var(--hairline); border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
  animation: rise 0.6s var(--ease) both;
}
body.puzzle-page .card.stat-card::before {
  content: ""; position: absolute; top: 0; left: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-400), transparent);
  transition: left 0.6s var(--ease);
}
body.puzzle-page .stat-row .card:nth-child(1) { animation-delay: 0.03s; }
body.puzzle-page .stat-row .card:nth-child(2) { animation-delay: 0.08s; }
body.puzzle-page .stat-row .card:nth-child(3) { animation-delay: 0.13s; }

body.puzzle-page .card.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--hairline-strong);
  box-shadow: 0 12px 32px rgba(0,0,0,0.45), 0 0 0 1px var(--accent-tint);
}
body.puzzle-page .card.stat-card:hover::before { left: 0; }

body.puzzle-page .stat-num {
  font-family: var(--font-mono); font-weight: 600; font-size: 1.9rem;
  font-variant-numeric: tabular-nums; color: var(--text-100); line-height: 1.15;
}
body.puzzle-page .stat-sub { font-size: 0.86rem; color: var(--text-400); margin-top: 2px; }

/* ==========================================================================
   Puzzle grid
   ========================================================================== */

body.puzzle-page .puzzle-grid {
  display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(300px, 1fr);
  gap: var(--space-4); align-items: start;
}

body.puzzle-page .puzzle-card {
  background: var(--void-900); border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 24px 48px rgba(0,0,0,0.35);
}
body.puzzle-page .puzzle-card-pad { padding: var(--space-4); }

body.puzzle-page .puzzle-player-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-3); margin-bottom: var(--space-3);
}
body.puzzle-page .puzzle-player-head h2 {
  font-family: var(--font-display); font-weight: 600; font-size: 1.45rem; margin: 0;
  color: var(--text-100); letter-spacing: -0.01em;
}
body.puzzle-page .puzzle-meta-group { display: flex; align-items: center; gap: var(--space-2); }

body.puzzle-page .puzzle-meta {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em; font-weight: 600;
  color: var(--accent-300); background: var(--accent-tint); border: 1px solid rgba(79,209,160,0.28);
  border-radius: 999px; padding: 0.35rem 0.8rem;
}
body.puzzle-page .puzzle-meta:empty { display: none; }

body.puzzle-page .telemetry-chip {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.05em; font-weight: 500;
  color: var(--text-400); border: 1px solid var(--hairline); border-radius: 999px; padding: 0.32rem 0.7rem;
}
body.puzzle-page .telemetry-chip strong { color: var(--text-100); font-weight: 600; }

/* ==========================================================================
   Board
   ========================================================================== */

body.puzzle-page .board-frame {
  padding: 2px; border-radius: 14px;
  background: var(--void-900);
  border: 1px solid var(--hairline);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3), 0 18px 40px rgba(0,0,0,0.35);
  animation: frame-in 0.6s var(--ease) both; animation-delay: 0.1s;
  position: relative; overflow: hidden;
}

/* MAX-161: the legacy pre-unified grid board styles below must not hijack the
   unified engines. Classic carries .poodle-board-host; chessground carries
   .cg-host (see poodle-board-chessground.css). Only these two structural
   selectors need the extra exclusion — the remaining legacy selectors target
   inner classes (.piece, .is-*, .light, …) that never exist in cg DOM. */
body.puzzle-page .puzzle-board:not(.poodle-board-host):not(.cg-host) {
  display: grid; grid-template-columns: repeat(8, 1fr);
  aspect-ratio: 1; overflow: hidden;
  width: 100%; height: auto;
  border: 1px solid rgba(0,0,0,0.35); border-radius: 5px;
  touch-action: none;
}
body.puzzle-page .puzzle-board:not(.poodle-board-host).coords-out .puzzle-coordinate { display: none; }
body.puzzle-page .puzzle-board:not(.poodle-board-host):not(.cg-host) > * {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-width: 0; cursor: pointer;
  transition: background 0.1s ease, box-shadow 0.15s var(--ease);
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .light,
body.puzzle-page .puzzle-board:not(.poodle-board-host) .square-light { background: var(--sq-light); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .dark,
body.puzzle-page .puzzle-board:not(.poodle-board-host) .square-dark { background: var(--sq-dark); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .puzzle-square:hover { filter: brightness(0.95); }

body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-selected::after {
  content: "";
  position: absolute; inset: 8%;
  background:
    linear-gradient(var(--accent-300), var(--accent-300)) top left / 3px 26% no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) top left / 26% 3px no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) top right / 3px 26% no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) top right / 26% 3px no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) bottom left / 3px 26% no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) bottom left / 26% 3px no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) bottom right / 3px 26% no-repeat,
    linear-gradient(var(--accent-300), var(--accent-300)) bottom right / 26% 3px no-repeat;
  filter: drop-shadow(0 0 6px rgba(143,232,191,0.7));
  animation: reticle-in 0.26s var(--ease) both;
  pointer-events: none;
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-selected { box-shadow: inset 0 0 0 3px var(--accent-400); }

body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-last-move { box-shadow: inset 0 0 0 999px rgba(255, 180, 84, 0.16); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-check { box-shadow: inset 0 0 0 999px rgba(255, 107, 95, 0.26); }

body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-best-move::after {
  content: "\2713";
  position: absolute; bottom: 2%; right: 2%;
  width: 24%; height: 24%; min-width: 14px; min-height: 14px;
  background: var(--accent-400); color: var(--void-950);
  border-radius: 50%; font-size: 0.65em; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  z-index: 10; pointer-events: none;
  animation: reticle-in 0.26s var(--ease) both;
}

body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece {
  width: 100%; height: 100%;
  background-size: contain; background-repeat: no-repeat; background-position: center;
  user-select: none; color: transparent; pointer-events: none;
  filter: drop-shadow(0 3px 4px rgba(0,0,0,0.18));
  transition: transform 0.08s ease;
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.puzzle-piece-interactive { pointer-events: auto; cursor: grab; touch-action: none; }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.puzzle-piece-interactive:active { cursor: grabbing; }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-dragging .piece { opacity: 0.35; }

body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.wk { background-image: url('/pieces/wK.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.wq { background-image: url('/pieces/wQ.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.wr { background-image: url('/pieces/wR.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.wb { background-image: url('/pieces/wB.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.wn { background-image: url('/pieces/wN.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.wp { background-image: url('/pieces/wP.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.bk { background-image: url('/pieces/bK.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.bq { background-image: url('/pieces/bQ.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.br { background-image: url('/pieces/bR.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.bb { background-image: url('/pieces/bB.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.bn { background-image: url('/pieces/bN.svg'); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.bp { background-image: url('/pieces/bP.svg'); }

body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.piece-travel {
  transform: translate3d(calc(var(--dx,0)*100%), calc(var(--dy,0)*100%), 0);
  transition: transform 0.15s cubic-bezier(0.25,0.1,0.25,1);
  will-change: transform; z-index: 8;
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.piece-travel.is-moving { transform: translate3d(0,0,0); }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .piece.piece-ghost {
  position: absolute; inset: 0; pointer-events: none;
  animation: ghostFade 0.15s ease-out forwards; z-index: 1;
}

body.puzzle-page .puzzle-drag-ghost {
  position: fixed; z-index: 9999; pointer-events: none;
  background-size: contain; background-repeat: no-repeat; background-position: center;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.32));
  will-change: left, top;
}
body.puzzle-page .puzzle-drag-ghost.wk { background-image: url('/pieces/wK.svg'); }
body.puzzle-page .puzzle-drag-ghost.wq { background-image: url('/pieces/wQ.svg'); }
body.puzzle-page .puzzle-drag-ghost.wr { background-image: url('/pieces/wR.svg'); }
body.puzzle-page .puzzle-drag-ghost.wb { background-image: url('/pieces/wB.svg'); }
body.puzzle-page .puzzle-drag-ghost.wn { background-image: url('/pieces/wN.svg'); }
body.puzzle-page .puzzle-drag-ghost.wp { background-image: url('/pieces/wP.svg'); }
body.puzzle-page .puzzle-drag-ghost.bk { background-image: url('/pieces/bK.svg'); }
body.puzzle-page .puzzle-drag-ghost.bq { background-image: url('/pieces/bQ.svg'); }
body.puzzle-page .puzzle-drag-ghost.br { background-image: url('/pieces/bR.svg'); }
body.puzzle-page .puzzle-drag-ghost.bb { background-image: url('/pieces/bB.svg'); }
body.puzzle-page .puzzle-drag-ghost.bn { background-image: url('/pieces/bN.svg'); }
body.puzzle-page .puzzle-drag-ghost.bp { background-image: url('/pieces/bP.svg'); }

body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-target::after {
  content: ''; position: absolute; z-index: 2;
  width: 28%; height: 28%; border-radius: 50%;
  background: rgba(79, 209, 160, 0.22);
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-target:hover::after {
  background: rgba(79, 209, 160, 0.5);
  box-shadow: 0 0 0 4px rgba(79, 209, 160, 0.14);
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-target.is-capture::after {
  width: 86%; height: 86%;
  background: transparent; border: 4px solid rgba(79, 209, 160, 0.3);
  animation: capturePulse 1.1s ease-in-out infinite;
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-target.is-capture:hover::after {
  border-color: rgba(79, 209, 160, 0.55);
  background: rgba(79, 209, 160, 0.08);
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-target .piece { opacity: 0.4; }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-target .piece:hover { opacity: 0.7; }
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-drag-hover {
  background: rgba(79, 209, 160, 0.45) !important;
  box-shadow: inset 0 0 0 2px rgba(79, 209, 160, 0.6);
}

body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-hint {
  box-shadow: inset 0 0 0 4px rgba(79, 209, 160, 0.85);
  animation: hintPulse 1.2s ease-in-out infinite;
}
body.puzzle-page .puzzle-board:not(.poodle-board-host) .is-hint .piece {
  filter: drop-shadow(0 3px 4px rgba(0,0,0,0.5)) drop-shadow(0 0 10px rgba(79,209,160,0.75));
}

body.puzzle-page .puzzle-coordinate {
  position: absolute; z-index: 3; pointer-events: none; user-select: none;
  font: 700 clamp(10px, 2vw, 13px) / 1 var(--font-mono);
  opacity: 0.92;
}
body.puzzle-page .puzzle-square.light .puzzle-coordinate { color: var(--sq-dark); text-shadow: 0 0 3px rgba(240,217,181,0.5); }
body.puzzle-page .puzzle-square.dark .puzzle-coordinate { color: var(--sq-light); text-shadow: 0 0 3px rgba(181,136,99,0.5); }
body.puzzle-page .puzzle-coordinate.rank { inset-block-start: 3px; inset-inline-start: 3px; }
body.puzzle-page .puzzle-coordinate.file { inset-inline-end: 3px; inset-block-end: 2px; }

/* ==========================================================================
   Feedback
   ========================================================================== */

body.puzzle-page .puzzle-feedback {
  margin-top: var(--space-3); padding: var(--space-3); border-radius: var(--radius-sm);
  border-left: 3px solid var(--hairline-strong); background: var(--void-850);
  color: var(--text-400); font-size: 0.92rem; line-height: 1.5;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
body.puzzle-page .puzzle-feedback.is-correct,
body.puzzle-page .puzzle-feedback[data-state="correct"] {
  border-left-color: var(--accent-400); background: var(--accent-tint); color: var(--accent-300);
  animation: pulse-accent 0.5s var(--ease);
}
body.puzzle-page .puzzle-feedback.is-wrong,
body.puzzle-page .puzzle-feedback[data-state="incorrect"] {
  border-left-color: var(--red-400); background: var(--red-tint); color: var(--red-400);
  animation: shake 0.4s var(--ease);
}

body.puzzle-page .puzzle-solved-icon {
  font-size: 1.4rem; font-weight: 700; color: var(--accent-400); margin-right: 0.4rem; vertical-align: middle;
}
body.puzzle-page .puzzle-solved-text {
  font-weight: 600; font-size: 1rem; vertical-align: middle;
}
body.puzzle-page .puzzle-solved-score {
  display: block; margin-top: 0.4rem; font-size: 1.3rem; font-weight: 700;
}
body.puzzle-page .puzzle-solved-rating {
  color: var(--text-200); margin-right: 0.6rem;
}
body.puzzle-page .puzzle-solved-points {
  color: var(--accent-400);
}

body.puzzle-page .board-frame.is-solved {
  box-shadow: 0 0 24px rgba(79,209,160,0.45);
  transition: box-shadow 0.3s ease;
}

/* ==========================================================================
   Buttons + actions
   ========================================================================== */

body.puzzle-page .puzzle-session-actions {
  margin-top: var(--space-4); display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: var(--space-3);
}
body.puzzle-page .puzzle-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }

body.puzzle-page .puzzle-button {
  font-family: var(--font-body); font-weight: 600; font-size: 0.9rem; letter-spacing: -0.005em;
  border-radius: 999px; min-height: 44px; padding: 0 1.2rem;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--hairline-strong); background: transparent; color: var(--text-400); cursor: pointer;
  transition: transform 0.12s var(--ease-press), border-color 0.16s var(--ease), color 0.16s var(--ease),
              background 0.16s var(--ease), box-shadow 0.16s var(--ease);
}
body.puzzle-page .puzzle-button:hover:not(:disabled) { color: var(--text-100); border-color: var(--text-400); background: var(--void-850); }
body.puzzle-page .puzzle-button:active:not(:disabled) { transform: scale(0.97); }
body.puzzle-page .puzzle-button:focus-visible { outline: 2px solid var(--accent-400); outline-offset: 2px; }
body.puzzle-page .puzzle-button:disabled { opacity: 0.35; cursor: not-allowed; }

body.puzzle-page .puzzle-button.brass { color: var(--amber-300); border-color: rgba(255,180,84,0.3); background: var(--amber-tint); }
body.puzzle-page .puzzle-button.brass:hover:not(:disabled) { background: rgba(255,180,84,0.2); border-color: rgba(255,180,84,0.45); }

body.puzzle-page .puzzle-button.primary {
  color: var(--void-950); border-color: transparent; background: var(--accent-400);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 10px 26px -6px rgba(79,209,160,0.55);
}
body.puzzle-page .puzzle-button.primary:hover:not(:disabled) {
  background: var(--accent-300); box-shadow: 0 2px 4px rgba(0,0,0,0.2), 0 14px 32px -6px rgba(79,209,160,0.7);
}

body.puzzle-page .puzzle-top-link {
  font-size: 0.85rem; font-weight: 500; color: var(--text-400); text-decoration: none;
  border-bottom: 1px solid transparent; transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
body.puzzle-page .puzzle-top-link::after { content: " \2192"; }
body.puzzle-page .puzzle-top-link:hover { color: var(--accent-400); border-color: var(--accent-400); }

/* ==========================================================================
   Sidebar controls
   ========================================================================== */

body.puzzle-page .puzzle-controls { display: flex; flex-direction: column; gap: var(--space-3); }
body.puzzle-page .puzzle-controls h2 {
  font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; margin: 0 0 var(--space-1);
  color: var(--text-100); letter-spacing: -0.01em;
}
body.puzzle-page .puzzle-controls > div > p { margin: 0; color: var(--text-400); font-size: 0.86rem; line-height: 1.5; }

body.puzzle-page .puzzle-field { display: flex; flex-direction: column; gap: 6px; }
body.puzzle-page .puzzle-field label {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-400);
}
body.puzzle-page .puzzle-field select {
  appearance: none; -webkit-appearance: none; font-family: var(--font-body); font-size: 0.95rem;
  min-height: 44px; color: var(--text-100); background-color: var(--void-850);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa19e' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center;
  border: 1px solid var(--hairline-strong); border-radius: var(--radius-sm); padding: 0 2.2rem 0 0.9rem;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
body.puzzle-page .puzzle-field select:hover:not(:disabled) { border-color: var(--text-400); }
body.puzzle-page .puzzle-field select:focus-visible { outline: none; border-color: var(--accent-400); box-shadow: 0 0 0 3px var(--accent-tint); }
body.puzzle-page .puzzle-field select:disabled { opacity: 0.4; cursor: not-allowed; }
body.puzzle-page .puzzle-field small { font-size: 0.78rem; color: var(--text-400); }
body.puzzle-page .puzzle-field small:empty { display: none; }

body.puzzle-page .puzzle-note {
  display: flex; flex-direction: column; gap: 4px; padding: var(--space-3); border-radius: var(--radius-sm);
  background: var(--void-850); border: 1px solid var(--hairline); border-left: 3px solid var(--accent-400);
}
body.puzzle-page .puzzle-note strong { font-family: var(--font-display); font-size: 0.98rem; color: var(--text-100); font-weight: 600; }
body.puzzle-page .puzzle-note span { font-size: 0.85rem; color: var(--text-400); line-height: 1.5; }

/* ==========================================================================
   My Puzzles
   ========================================================================== */

body.puzzle-page .puzzle-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
body.puzzle-page .puzzle-stat {
  background: var(--void-850); border: 1px solid var(--hairline); border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}
body.puzzle-page .puzzle-stat strong {
  display: block; font: 600 2rem var(--font-display); letter-spacing: -0.015em;
  font-variant-numeric: oldstyle-nums; color: var(--text-100);
}
body.puzzle-page .puzzle-stat span { display: block; margin-top: 4px; color: var(--text-400); font-size: 12.5px; }

body.puzzle-page .puzzle-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
body.puzzle-page .chip {
  padding: 8px 13px; border-radius: 99px; font-size: 12.5px; font-weight: 600;
  border: 1px solid var(--hairline); color: var(--text-400); background: var(--void-850);
  cursor: pointer; transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
body.puzzle-page .chip:hover { border-color: var(--accent-400); }
body.puzzle-page .chip.is-active { background: var(--accent-400); border-color: var(--accent-400); color: var(--void-950); }

body.puzzle-page .puzzle-filters { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
body.puzzle-page .puzzle-select {
  padding: 8px 13px; border-radius: var(--radius-sm); font-size: 12.5px; font-weight: 500;
  border: 1px solid var(--hairline); color: var(--text-100); background: var(--void-850);
  cursor: pointer; transition: border-color 0.15s ease;
  font-family: var(--font-body);
}
body.puzzle-page .puzzle-select:hover { border-color: var(--accent-400); }
body.puzzle-page .puzzle-select:focus { outline: none; border-color: var(--accent-400); box-shadow: 0 0 0 3px var(--accent-tint); }
body.puzzle-page .puzzle-select option { background: var(--void-850); color: var(--text-100); }

body.puzzle-page .puzzle-list { display: grid; gap: 9px; }
body.puzzle-page .puzzle-list-item {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: start;
  padding: 16px; border: 1px solid var(--hairline); border-radius: var(--radius-md);
  background: var(--void-850);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
body.puzzle-page .puzzle-list-item:hover { border-color: var(--accent-400); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
body.puzzle-page .puzzle-list-item:focus-visible { outline: none; border-color: var(--accent-400); box-shadow: 0 0 0 3px var(--accent-tint); }
body.puzzle-page .puzzle-library-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 14px; margin-top: 12px; align-items: start; }
body.puzzle-page .puzzle-preview { position: sticky; top: 16px; display: flex; flex-direction: column; gap: 10px; }
body.puzzle-page .puzzle-preview-board { width: 100%; }
body.puzzle-page .puzzle-preview-board .puzzle-board { width: 100%; aspect-ratio: 1; }

/* ==========================================================================
   Master Edition: Puzzle Dashboard (Phase D)
   ========================================================================== */

body.puzzle-page .dashboard-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-top: 14px; }
body.puzzle-page .dashboard-metric .stat-num { font-size: 26px; }
body.puzzle-page .dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
body.puzzle-page .dashboard-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
body.puzzle-page .dashboard-card { display: flex; flex-direction: column; gap: 10px; }
body.puzzle-page .dashboard-trend { width: 100%; height: 72px; color: var(--accent-400); }
body.puzzle-page .dashboard-radar-layout { display: grid; grid-template-columns: 240px 1fr; gap: 14px; align-items: center; }
body.puzzle-page .dashboard-theme-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
body.puzzle-page .dashboard-theme-table th, body.puzzle-page .dashboard-theme-table td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--hairline); }
body.puzzle-page .dashboard-theme-table thead th { font: 600 10px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-400); }
body.puzzle-page .dashboard-theme-list { list-style: none; display: flex; flex-direction: column; gap: 8px; padding: 0; margin: 0; }
body.puzzle-page .dashboard-theme-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--hairline); border-radius: var(--radius-sm); background: var(--void-850); }
body.puzzle-page .dashboard-theme-item strong { font-size: 13px; }
body.puzzle-page .dashboard-theme-item small { color: var(--text-400); font-size: 11.5px; }
body.puzzle-page .dashboard-theme-item .puzzle-button { margin-left: auto; }
body.puzzle-page .dashboard-theme-item.strong { border-color: var(--accent-tint); }
body.puzzle-page .dashboard-theme-item.weak { border-color: var(--amber-tint); }
body.puzzle-page .dashboard-theme-empty { color: var(--text-400); font-size: 12.5px; padding: 10px 12px; border: 1px dashed var(--hairline); border-radius: var(--radius-sm); }
body.puzzle-page .dashboard-fallback { display: flex; flex-direction: column; gap: 6px; margin-top: 14px; }

/* ==========================================================================
   Master Edition: post-solve comparison card (Phase E)
   ========================================================================== */

body.puzzle-page .puzzle-comparison-card {
  margin-top: 12px; padding: 14px; border: 1px solid var(--hairline);
  border-radius: var(--radius-md); background: var(--void-850);
  display: flex; flex-direction: column; gap: 10px;
}
body.puzzle-page .puzzle-comparison-head strong { font-size: 13px; }
body.puzzle-page .puzzle-comparison-body { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
body.puzzle-page .puzzle-comparison-side {
  display: flex; flex-direction: column; gap: 4px; padding: 10px 12px;
  border-radius: var(--radius-sm); border: 1px solid var(--hairline);
}
body.puzzle-page .puzzle-comparison-side.is-wrong { border-color: var(--amber-tint); background: var(--amber-tint); }
body.puzzle-page .puzzle-comparison-side.is-best { border-color: var(--accent-tint); background: var(--accent-tint); }
body.puzzle-page .puzzle-comparison-label { font: 600 10px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-400); }
body.puzzle-page .puzzle-comparison-move { font: 700 16px var(--font-mono); }
body.puzzle-page .puzzle-comparison-note { margin: 0; font-size: 12px; color: var(--text-400); }
@media (max-width: 640px) { body.puzzle-page .puzzle-comparison-body { grid-template-columns: 1fr; } }
@media (max-width: 980px) {
  body.puzzle-page .dashboard-grid, body.puzzle-page .dashboard-columns { grid-template-columns: 1fr; }
  body.puzzle-page .dashboard-radar-layout { grid-template-columns: 1fr; justify-items: center; }
}
body.puzzle-page .puzzle-item-main { display: flex; flex-direction: column; gap: 8px; }
body.puzzle-page .puzzle-item-header { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
body.puzzle-page .puzzle-origin-badge {
  display: inline-block; padding: 3px 10px; border-radius: 99px;
  font: 600 10px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--accent-tint); color: var(--accent-400);
}
body.puzzle-page .puzzle-rating-badge {
  display: inline-block; padding: 3px 8px; border-radius: 99px;
  font: 600 10px var(--font-mono); letter-spacing: 0.04em;
  background: var(--void-800); color: var(--text-400); border: 1px solid var(--hairline);
}
body.puzzle-page .puzzle-level-badge {
  display: inline-block; padding: 3px 8px; border-radius: 99px;
  font: 600 10px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--amber-tint); color: var(--amber-400);
}
body.puzzle-page .puzzle-srs-badge {
  display: inline-block; padding: 3px 8px; border-radius: 99px;
  font: 600 10px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase;
}
body.puzzle-page .puzzle-srs-badge.srs-new { background: var(--void-800); color: var(--text-400); border: 1px solid var(--hairline); }
body.puzzle-page .puzzle-srs-badge.srs-learning { background: var(--amber-tint); color: var(--amber-400); }
body.puzzle-page .puzzle-srs-badge.srs-review { background: var(--accent-tint); color: var(--accent-400); }
body.puzzle-page .puzzle-srs-badge.srs-mastered { background: var(--accent-tint); color: var(--accent-300); }

/* Mastery progress bar (1-8 segments) */
body.puzzle-page .puzzle-srs-bar {
  display: flex; gap: 3px; align-items: center; margin-top: 4px;
}
body.puzzle-page .puzzle-srs-segment {
  width: 18px; height: 6px; border-radius: 3px;
  background: var(--void-800); border: 1px solid var(--hairline);
  transition: background 0.2s, border-color 0.2s;
}
body.puzzle-page .puzzle-srs-segment.filled {
  background: var(--accent-400); border-color: var(--accent-400);
}
body.puzzle-page .puzzle-srs-segment.filled.learning {
  background: var(--amber-400); border-color: var(--amber-400);
}
body.puzzle-page .puzzle-srs-segment.filled.mastered {
  background: var(--accent-300); border-color: var(--accent-300);
}
body.puzzle-page .puzzle-srs-level-label {
  font: 600 10px var(--font-mono); color: var(--text-400); margin-left: 6px;
}

/* Next review time - prominent */
body.puzzle-page .puzzle-next-review {
  display: inline-flex; align-items: center; gap: 5px;
  font: 600 12px var(--font-mono); padding: 4px 10px; border-radius: 99px;
  background: var(--void-800); border: 1px solid var(--hairline);
  color: var(--text-400); margin-top: 4px;
}
body.puzzle-page .puzzle-next-review.due {
  background: var(--red-tint); border-color: rgba(255,107,95,0.3); color: var(--red-400);
}
body.puzzle-page .puzzle-next-review.soon {
  background: var(--amber-tint); border-color: rgba(255,180,84,0.3); color: var(--amber-400);
}
body.puzzle-page .puzzle-next-review svg { width: 12px; height: 12px; }

/* Session progress indicator */
body.puzzle-page .puzzle-session-progress {
  display: flex; align-items: center; gap: 10px; margin-bottom: var(--space-3);
}
body.puzzle-page .puzzle-progress-bar {
  flex: 1; height: 6px; border-radius: 3px; background: var(--void-800); overflow: hidden;
}
body.puzzle-page .puzzle-progress-fill {
  height: 100%; border-radius: 3px; background: var(--accent-400);
  transition: width 0.3s var(--ease);
}
body.puzzle-page .puzzle-progress-text {
  font: 600 12px var(--font-mono); color: var(--text-400); white-space: nowrap;
}

/* Batch review summary */
body.puzzle-page .puzzle-batch-summary {
  background: var(--void-850); border: 1px solid var(--hairline); border-radius: var(--radius-md);
  padding: var(--space-4); text-align: center;
}
body.puzzle-page .puzzle-batch-summary h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 1.3rem;
  color: var(--text-100); margin-bottom: var(--space-2);
}
body.puzzle-page .puzzle-batch-stats {
  display: flex; justify-content: center; gap: var(--space-4); margin: var(--space-3) 0;
}
body.puzzle-page .puzzle-batch-stat {
  text-align: center;
}
body.puzzle-page .puzzle-batch-stat strong {
  display: block; font: 600 1.5rem var(--font-mono); color: var(--text-100);
}
body.puzzle-page .puzzle-batch-stat span {
  font: 500 11px var(--font-mono); color: var(--text-400); text-transform: uppercase;
  letter-spacing: 0.05em;
}
body.puzzle-page .puzzle-streak-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font: 600 11px var(--font-mono); color: var(--text-400);
}
body.puzzle-page .puzzle-streak-badge.active { color: var(--amber-400); }
body.puzzle-page .stat-card-cta { position: relative; }
body.puzzle-page .stat-card-button {
  position: absolute; bottom: 12px; left: 12px; right: 12px;
  font-size: 0.82rem; min-height: 36px;
}
body.puzzle-page .puzzle-batch-controls { display: flex; gap: 8px; align-items: center; }
body.puzzle-page .puzzle-checkbox {
  width: 16px; height: 16px; accent-color: var(--accent-400);
  cursor: pointer; flex-shrink: 0;
}
body.puzzle-page .puzzle-item-checkbox {
  position: absolute; top: 16px; left: 16px; z-index: 2;
}
body.puzzle-page .puzzle-list-item { position: relative; padding-left: 40px; }
body.puzzle-page .puzzle-select-all-label {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 12px var(--font-body); color: var(--text-400);
  cursor: pointer; user-select: none;
}
body.puzzle-page .puzzle-theme-row { display: flex; flex-wrap: wrap; gap: 4px; }
body.puzzle-page .puzzle-theme-chip {
  display: inline-block; padding: 2px 7px; border-radius: 4px;
  font: 500 10px var(--font-body); color: var(--text-400);
  background: var(--void-800); border: 1px solid var(--hairline);
}
body.puzzle-page .puzzle-theme-more {
  display: inline-block; padding: 2px 6px; border-radius: 4px;
  font: 600 10px var(--font-mono); color: var(--text-600);
}
body.puzzle-page .puzzle-item-meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
body.puzzle-page .puzzle-meta-date,
body.puzzle-page .puzzle-meta-review,
body.puzzle-page .puzzle-meta-reviews {
  display: inline-flex; align-items: center; gap: 4px;
  font: 500 11px var(--font-mono); color: var(--text-600);
}
body.puzzle-page .puzzle-meta-date svg,
body.puzzle-page .puzzle-meta-review svg { opacity: 0.7; }
body.puzzle-page .puzzle-status-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 4px; }
body.puzzle-page .puzzle-list-meta { text-align: right; color: var(--text-400); font: 10px var(--font-mono); }
body.puzzle-page .puzzle-list-meta .puzzle-status-badge {
  display: inline-block; padding: 3px 9px; border-radius: 99px;
  font: 700 10px var(--font-mono); letter-spacing: 0.04em; text-transform: uppercase;
}
body.puzzle-page .puzzle-list-meta .puzzle-status-badge.due { background: var(--red-tint); color: var(--red-400); }
body.puzzle-page .puzzle-list-meta .puzzle-status-badge.mastered { background: var(--accent-tint); color: var(--accent-400); }
body.puzzle-page .puzzle-list-meta .puzzle-status-badge.new-saved { background: var(--amber-tint); color: var(--amber-400); }
body.puzzle-page .puzzle-list-buttons { display: flex; gap: 6px; margin-top: 10px; }

body.puzzle-page .puzzle-empty { padding: 36px 20px; text-align: center; color: var(--text-400); }
body.puzzle-page .puzzle-empty strong { display: block; margin-bottom: 7px; font: 600 1.4rem var(--font-display); color: var(--text-100); }
body.puzzle-page .puzzle-empty a { color: var(--accent-400); font-weight: 700; }

body.puzzle-page .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
body.puzzle-page .section-head h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; letter-spacing: -0.015em; color: var(--text-100); }
body.puzzle-page .section-head p { font-size: 12.5px; color: var(--text-400); margin-top: 3px; }
body.puzzle-page .section-link { font-size: 12.5px; font-weight: 600; color: var(--accent-400); display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
body.puzzle-page .section-link svg { width: 12px; height: 12px; }

body.puzzle-page .ledger { overflow: hidden; border: 1px solid var(--hairline); border-radius: var(--radius-md); background: var(--void-850); }
body.puzzle-page .ledger-row {
  display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center;
  padding: 14px 22px; border-top: 1px solid var(--hairline);
}
body.puzzle-page .ledger-row:first-child { border-top: none; }
body.puzzle-page .ledger-row:hover { background: var(--void-800); cursor: pointer; }
body.puzzle-page .ledger-row svg { width: 14px; height: 14px; color: var(--text-400); }

body.puzzle-page .puzzle-inline-link { color: var(--accent-400); font-weight: 700; text-decoration: none; }
body.puzzle-page .puzzle-inline-link:hover { text-decoration: underline; }

body.puzzle-page .puzzle-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2);
  padding-top: var(--space-4); border-top: 1px solid var(--hairline);
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-400);
}
body.puzzle-page .puzzle-footer strong { color: var(--text-100); }

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes word-focus { from { opacity: 0; filter: blur(6px); transform: translateY(6px); } to { opacity: 1; filter: blur(0); transform: translateY(0); } }
@keyframes frame-in { from { opacity: 0; transform: scale(0.98); } to { opacity: 1; transform: scale(1); } }
@keyframes reticle-in { from { opacity: 0; transform: scale(1.18); } to { opacity: 1; transform: scale(1); } }
@keyframes pulse-accent { 0% { box-shadow: 0 0 0 0 rgba(79,209,160,0.3); } 100% { box-shadow: 0 0 0 8px rgba(79,209,160,0); } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
@keyframes live-pulse { 0% { box-shadow: 0 0 0 0 var(--accent-tint-strong); } 70% { box-shadow: 0 0 0 6px rgba(79,209,160,0); } 100% { box-shadow: 0 0 0 0 rgba(79,209,160,0); } }
@keyframes ghostFade { from { opacity: 0.9; } to { opacity: 0; } }
@keyframes capturePulse { 0%, 100% { transform: scale(0.86); opacity: 0.9; } 50% { transform: scale(1); opacity: 0.55; } }
@keyframes hintPulse { 0%, 100% { box-shadow: inset 0 0 0 4px rgba(79,209,160,0.85); } 50% { box-shadow: inset 0 0 0 4px rgba(79,209,160,0.35); } }

@media (prefers-reduced-motion: reduce) {
  body.puzzle-page * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  body.puzzle-page .puzzle-board .piece.piece-travel { transition: none !important; transform: none !important; }
}

/* ==========================================================================
   Board Toolbar + Zoom Controls
   ========================================================================== */

body.puzzle-page .puzzle-board-wrapper { display: flex; flex-direction: column; }

body.puzzle-page .puzzle-board-toolbar {
  display: flex; justify-content: flex-end; gap: 6px;
  padding: 0 2px 6px;
}

body.puzzle-page .board-control-btn {
  width: 44px; height: 44px; border-radius: 9px; padding: 0;
  border: 1px solid var(--hairline); background: var(--void-850, #1a1a1a);
  color: var(--text-400, #8a8a8a); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
body.puzzle-page .board-control-btn:hover { color: var(--text-100, #eee); border-color: var(--text-400, #888); }
body.puzzle-page .board-control-btn.active { color: var(--accent-400, #4fd1a0); border-color: var(--accent-400, #4fd1a0); }
body.puzzle-page .board-control-btn:focus-visible { outline: 2px solid var(--accent-400); outline-offset: 2px; }
body.puzzle-page .board-control-btn svg { width: 16px; height: 16px; }

body.puzzle-page .board-controls {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 2px 0; font-size: 0.75rem; font-family: var(--font-mono);
  color: var(--text-400, #8a8a8a);
}
body.puzzle-page .board-zoom-icon {
  width: 16px; text-align: center; font-weight: 600; line-height: 1;
  user-select: none; flex-shrink: 0;
}
body.puzzle-page .board-controls input[type="range"] {
  flex: 1; min-height: 44px; -webkit-appearance: none; appearance: none;
  background: transparent; border-radius: 2px; outline: none;
}
body.puzzle-page .board-controls input[type="range"]::-webkit-slider-runnable-track { height: 4px; background: var(--hairline, #333); border-radius: 2px; }
body.puzzle-page .board-controls input[type="range"]::-moz-range-track { height: 4px; background: var(--hairline, #333); border-radius: 2px; }
body.puzzle-page .board-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent-400, #4fd1a0); cursor: pointer; border: none;
}
body.puzzle-page .board-controls input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent-400, #4fd1a0); cursor: pointer; border: none;
}
body.puzzle-page #puzzleZoomLabel { min-width: 36px; text-align: right; flex-shrink: 0; }
body.puzzle-page .board-controls output { min-width: 38px; text-align: right; flex-shrink: 0; }
body.puzzle-page .puzzle-board-shell,
body.puzzle-page .poodle-board-host { max-width: 100%; min-width: 0; }
body.puzzle-page .poodle-sq:focus-visible { z-index: 8; outline: 3px solid var(--accent-400); outline-offset: -3px; }

body.puzzle-page .puzzle-pagination {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: 16px; color: var(--text-400); font: 0.82rem var(--font-mono);
}
body.puzzle-page .puzzle-undo-status { display: flex; align-items: center; gap: 8px; }
body.puzzle-page .puzzle-undo-status .puzzle-inline-link { min-height: 44px; padding-inline: 8px; }

/* ==========================================================================
   History page
   ========================================================================== */

body.puzzle-page .history-filters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}
body.puzzle-page .filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
body.puzzle-page .filter-group label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-400, #9aa19e);
}
body.puzzle-page .filter-group select,
body.puzzle-page .filter-group input {
  padding: 8px 10px;
  border: 1px solid var(--hairline, rgba(255,255,255,0.09));
  border-radius: var(--radius-sm, 10px);
  background: var(--void-900, #101216);
  color: var(--text-100, #f4f5f2);
  font-family: var(--font-body, sans-serif);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}
body.puzzle-page .filter-group select:focus,
body.puzzle-page .filter-group input:focus {
  border-color: var(--accent-400, #4fd1a0);
}
body.puzzle-page .history-table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-3);
  -webkit-overflow-scrolling: touch;
}
body.puzzle-page .history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
body.puzzle-page .history-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-400, #9aa19e);
  border-bottom: 1px solid var(--hairline-strong, rgba(255,255,255,0.18));
  white-space: nowrap;
}
body.puzzle-page .history-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--hairline, rgba(255,255,255,0.09));
  vertical-align: middle;
}
body.puzzle-page .history-table tbody tr {
  transition: background 0.15s;
}
body.puzzle-page .history-table tbody tr:hover {
  background: var(--void-850, #15181c);
}
body.puzzle-page .history-cell-date {
  white-space: nowrap;
  color: var(--text-400, #9aa19e);
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
}
body.puzzle-page .history-cell-puzzle {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
body.puzzle-page .history-puzzle-id {
  font-weight: 600;
  color: var(--text-100, #f4f5f2);
}
body.puzzle-page .history-cell-puzzle small {
  color: var(--text-400, #9aa19e);
  font-size: 0.75rem;
}
body.puzzle-page .history-result-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}
body.puzzle-page .history-result-solved {
  background: var(--accent-tint, rgba(79, 209, 160, 0.12));
  color: var(--accent-400, #4fd1a0);
}
body.puzzle-page .history-result-failed {
  background: var(--red-tint, rgba(255, 107, 95, 0.14));
  color: var(--red-400, #ff6b5f);
}
body.puzzle-page .history-result-abandoned {
  background: var(--amber-tint, rgba(255, 180, 84, 0.13));
  color: var(--amber-400, #ffb454);
}
body.puzzle-page .history-cell-first,
body.puzzle-page .history-cell-duration,
body.puzzle-page .history-cell-points,
body.puzzle-page .history-cell-run,
body.puzzle-page .history-cell-source {
  white-space: nowrap;
}
body.puzzle-page .history-pagination {
  display: flex;
  justify-content: center;
  padding: var(--space-4) 0 var(--space-2);
}
@media (max-width: 768px) {
  body.puzzle-page .history-filters {
    grid-template-columns: 1fr 1fr;
  }
  body.puzzle-page .history-table th:nth-child(4),
  body.puzzle-page .history-table td:nth-child(4),
  body.puzzle-page .history-table th:nth-child(6),
  body.puzzle-page .history-table td:nth-child(6),
  body.puzzle-page .history-table th:nth-child(8),
  body.puzzle-page .history-table td:nth-child(8) {
    display: none;
  }
}
@media (max-width: 480px) {
  body.puzzle-page .history-filters {
    grid-template-columns: 1fr;
  }
  body.puzzle-page .history-table th:nth-child(5),
  body.puzzle-page .history-table td:nth-child(5),
  body.puzzle-page .history-table th:nth-child(7),
  body.puzzle-page .history-table td:nth-child(7) {
    display: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 980px) { body.puzzle-page .puzzle-grid { grid-template-columns: 1fr; } }

/* Mobile board clamp (daily-puzzle only): JS-sized boards (drag-resize / zoom
   inline px widths) must never inflate the single-column grid track past the
   viewport. Without this, .puzzle-board-wrapper inline width feeds back
   through min-width:auto track sizing and grows without bound on mobile.
   Scoped to .daily-puzzle-main: other puzzle pages size their boards
   differently and must keep their existing behavior. */
@media (max-width: 980px) {
  body.puzzle-page .daily-puzzle-main .puzzle-grid > * { min-width: 0; max-width: 100%; }
  body.puzzle-page .daily-puzzle-main .board-frame,
  body.puzzle-page .daily-puzzle-main .puzzle-board-wrapper { width: auto !important; max-width: 100% !important; }
  body.puzzle-page .daily-puzzle-main .poodle-board-stage { width: 100% !important; height: auto !important; }
}
@media (max-width: 1100px) { body.puzzle-page .puzzle-library-layout { grid-template-columns: 1fr; } body.puzzle-page .puzzle-preview { position: static; } }
@media (max-width: 640px) {
  body.puzzle-page .stat-row { grid-template-columns: 1fr; }
  body.puzzle-page .puzzle-intro { align-items: flex-start; }
  body.puzzle-page .puzzle-main { padding: var(--space-4) var(--space-3); }
  body.puzzle-page .puzzle-card-pad { padding: var(--space-3); }
  body.puzzle-page .mission-clock { display: none; }
  body.puzzle-page .puzzle-summary { grid-template-columns: 1fr 1fr; }
  body.puzzle-page .puzzle-stat:last-child { grid-column: 1 / -1; }
  body.puzzle-page .puzzle-player-head { display: block; }
  body.puzzle-page .puzzle-meta { display: block; margin-top: 9px; }
  body.puzzle-page .puzzle-list-item { grid-template-columns: 1fr; }
  body.puzzle-page .puzzle-list-item .puzzle-list-meta { text-align: left; }
  body.puzzle-page .puzzle-footer { display: none; }
}

/* ==========================================================================
   Master Edition: live region + hotkey help dialog
   ========================================================================== */

body.puzzle-page .puzzle-live-region {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

body.puzzle-page .hotkey-help {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center;
  padding: var(--space-4);
  background: rgba(8, 9, 11, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
body.puzzle-page .hotkey-help[hidden] { display: none; }
body.puzzle-page .hotkey-help-panel {
  width: min(460px, 100%);
  padding: var(--space-4);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--void-900);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}
body.puzzle-page .hotkey-help-panel h2 {
  margin: 0 0 var(--space-3);
  color: var(--text-100);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
body.puzzle-page .hotkey-help-list {
  display: flex; flex-direction: column; gap: 10px;
  margin: 0 0 var(--space-4);
}
body.puzzle-page .hotkey-help-row {
  display: flex; align-items: center; gap: var(--space-3);
  color: var(--text-400);
  font-size: 0.9rem;
}
body.puzzle-page .hotkey-help-row kbd {
  flex: 0 0 auto;
  min-width: 44px;
  padding: 5px 9px;
  border: 1px solid var(--hairline);
  border-bottom-width: 2px;
  border-radius: 7px;
  background: var(--void-850);
  color: var(--text-100);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
}
body.puzzle-page .hotkey-help-panel .puzzle-button { width: 100%; }