/* ============================================================
   BuildSyntax Cabinet — self-contained stylesheet.
   No external fonts, no images: system font stacks + inline SVG.
   Per-game accent colors flow in through --ac / --ac2 custom
   props set inline by the views.
   ============================================================ */

:root {
  --bg: #06070d;
  --panel: #0d1017;
  --panel-2: #12161f;
  --line: #1e2530;
  --text: #e8ecf3;
  --dim: #8b96a5;
  --ac: #22e0ff;   /* per-view accent (overridden inline) */
  --ac2: #ff3ea5;
  --mono: "Cascadia Code", Consolas, "SF Mono", ui-monospace, monospace;
  --disp: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { color-scheme: dark; }

body {
  min-height: 100vh;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(255, 62, 165, 0.07), transparent 60%),
    radial-gradient(900px 480px at 10% 0%, rgba(34, 224, 255, 0.07), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--disp);
  -webkit-font-smoothing: antialiased;
}

/* faint blueprint grid behind everything */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 160, 190, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 160, 190, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 40%, transparent 100%);
}

body[data-view="play"] { overflow: hidden; }

button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--ac);
  outline-offset: 3px;
  border-radius: 4px;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(18px, 4vw, 48px);
}

/* ------------------------------------------------------------
   Hub header
   ------------------------------------------------------------ */
.hub-header { text-align: center; padding: clamp(16px, 5vh, 56px) 0 clamp(24px, 4vh, 44px); }

.hub-brand {
  font-family: var(--mono);
  font-size: clamp(11px, 1.6vw, 13px);
  letter-spacing: 0.55em;
  color: var(--dim);
}
.hub-brand span { color: #22e0ff; }

.hub-title {
  margin-top: 10px;
  font-size: clamp(44px, 9vw, 92px);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 0.95;
  background: linear-gradient(100deg, #22e0ff 10%, #a06bff 48%, #ff3ea5 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 26px rgba(122, 78, 255, 0.35));
}

.hub-sub {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: clamp(12px, 1.8vw, 15px);
  letter-spacing: 0.12em;
  color: var(--dim);
}

/* ------------------------------------------------------------
   Grid controls — search, sort, category filter (Task 3)
   ------------------------------------------------------------ */
.grid-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.search-box {
  flex: 1 1 260px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-box::placeholder { color: color-mix(in srgb, var(--dim) 75%, transparent); }
.search-box:focus {
  border-color: color-mix(in srgb, var(--ac) 60%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--ac) 18%, transparent);
}

.sort-select {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
}

.cat-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.cat-chip {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 15px;
  transition: color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.cat-chip:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--ac) 45%, var(--line));
}
.cat-chip.on {
  color: #08131a;
  background: var(--ac);
  border-color: var(--ac);
  box-shadow: 0 0 18px color-mix(in srgb, var(--ac) 35%, transparent);
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--dim);
  padding: 48px 16px;
  border: 1px dashed var(--line);
  border-radius: 14px;
}

/* ------------------------------------------------------------
   Showcase card grid
   ------------------------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: clamp(18px, 3vw, 32px);
}

.game-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.game-card:hover,
.game-card:focus-visible {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--ac) 65%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--ac) 35%, transparent),
    0 12px 44px rgba(0, 0, 0, 0.55),
    0 0 46px color-mix(in srgb, var(--ac) 22%, transparent);
}

.card-shot {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #000;
}
.card-shot svg {
  display: block; width: 100%; height: 100%;
  transition: transform 0.5s ease;
}
.game-card:hover .card-shot svg { transform: scale(1.05); }

.card-body {
  display: flex; flex-direction: column; gap: 10px; flex: 1;
  padding: clamp(16px, 2.6vw, 26px);
}

.card-genre {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ac);
  text-shadow: 0 0 14px color-mix(in srgb, var(--ac) 60%, transparent);
}

.card-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800; letter-spacing: 0.03em;
}

.card-tagline {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.08em; color: var(--ac2);
}

.card-desc { color: var(--dim); font-size: 14.5px; line-height: 1.6; flex: 1; }

.card-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-top: 8px;
  padding-top: 16px; border-top: 1px solid var(--line);
}

.card-stat { display: flex; flex-direction: column; gap: 2px; }

.stat-label {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--dim);
}
.stat-value {
  font-family: var(--mono);
  font-size: 19px; font-weight: 700; color: var(--text);
}
.card-stat.has-record .stat-value {
  color: var(--ac);
  text-shadow: 0 0 16px color-mix(in srgb, var(--ac) 55%, transparent);
}

.card-cta {
  font-family: var(--mono);
  font-size: 12.5px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ac);
  background: color-mix(in srgb, var(--ac) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--ac) 45%, transparent);
  border-radius: 999px;
  padding: 11px 20px;
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}
.card-cta:hover {
  background: color-mix(in srgb, var(--ac) 20%, transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--ac) 40%, transparent);
}

.hub-foot {
  margin-top: clamp(30px, 6vh, 64px);
  text-align: center;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--dim) 70%, transparent);
}

/* ------------------------------------------------------------
   Details view
   ------------------------------------------------------------ */
.details-page { padding-top: clamp(74px, 10vh, 96px); }

.back-fab {
  position: fixed; top: 18px; left: 18px; z-index: 40;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text);
  background: rgba(13, 16, 23, 0.82);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 18px;
  backdrop-filter: blur(6px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
.back-fab:hover {
  border-color: color-mix(in srgb, var(--ac) 60%, transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--ac) 30%, transparent);
  transform: translateX(-2px);
}

.details-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 44px);
  align-items: start;
}

.details-hero { position: sticky; top: 84px; }

.hero-shot {
  border: 1px solid color-mix(in srgb, var(--ac) 35%, var(--line));
  border-radius: 18px;
  overflow: hidden;
  background: #000;
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.6),
    0 0 60px color-mix(in srgb, var(--ac) 14%, transparent);
  aspect-ratio: 16 / 9;
}
.hero-shot svg { display: block; width: 100%; height: 100%; }

.hero-blurb {
  margin-top: 14px;
  color: var(--dim);
  font-size: 13.5px; line-height: 1.65;
  font-family: var(--mono);
}

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

.badge {
  font-family: var(--mono);
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--dim); background: var(--panel-2);
}
.badge.genre {
  color: var(--ac);
  border-color: color-mix(in srgb, var(--ac) 50%, transparent);
  background: color-mix(in srgb, var(--ac) 8%, transparent);
}
.badge.dev { color: var(--ac2); border-color: color-mix(in srgb, var(--ac2) 45%, transparent); }

.details-title {
  margin-top: 16px;
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800; letter-spacing: 0.02em; line-height: 1;
  text-shadow: 0 0 34px color-mix(in srgb, var(--ac) 30%, transparent);
}

.details-tagline {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ac2);
}

.details-desc { margin-top: 16px; color: var(--dim); font-size: 15px; line-height: 1.7; }

.record-strip { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

.record-box {
  display: flex; flex-direction: column; gap: 3px;
  min-width: 150px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
}
.record-box .stat-value {
  color: var(--ac);
  text-shadow: 0 0 16px color-mix(in srgb, var(--ac) 50%, transparent);
}

/* ---- the core CTA ---- */
.play-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%;
  margin-top: 24px;
  font-family: var(--mono);
  font-size: clamp(16px, 2.4vw, 20px); font-weight: 800;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: #0a0710;
  background: linear-gradient(115deg, var(--ac), var(--ac2));
  border: none; border-radius: 14px;
  padding: 20px 28px;
  box-shadow: 0 0 34px color-mix(in srgb, var(--ac) 45%, transparent);
  animation: cta-pulse 2.4s ease-in-out infinite;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.play-cta:hover { transform: translateY(-2px) scale(1.015); filter: brightness(1.12); animation-play-state: paused; }
.play-cta:active { transform: translateY(1px) scale(0.995); }
.play-icon { font-size: 0.85em; }

@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 0 24px color-mix(in srgb, var(--ac) 35%, transparent); }
  50%      { box-shadow: 0 0 52px color-mix(in srgb, var(--ac) 65%, transparent),
                         0 0 90px color-mix(in srgb, var(--ac2) 30%, transparent); }
}

/* ---- deep-dive blocks ---- */
.deep-dive { margin-top: 30px; display: grid; gap: 16px; }

.dd-block {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 18px 20px;
}
.dd-block h3 {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ac);
  margin-bottom: 12px;
}
.dd-block p { color: var(--dim); font-size: 14px; line-height: 1.65; }

.controls-list { list-style: none; display: grid; gap: 8px; }
.controls-list li { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.controls-list kbd {
  font-family: var(--mono);
  font-size: 12px; font-weight: 700;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  border-radius: 6px;
  padding: 4px 10px;
  white-space: nowrap;
}
.controls-list span { color: var(--dim); font-size: 13.5px; }

.bullet-list, .tech-list { list-style: none; display: grid; gap: 8px; }
.bullet-list li, .tech-list li {
  position: relative; padding-left: 18px;
  color: var(--dim); font-size: 13.5px; line-height: 1.55;
}
.bullet-list li::before { content: "»"; position: absolute; left: 0; color: var(--ac2); }
.tech-list li::before   { content: "◆"; position: absolute; left: 0; top: 1px; color: var(--ac); font-size: 9px; }

/* ------------------------------------------------------------
   Player view (embedded game)
   ------------------------------------------------------------ */
.player { position: fixed; inset: 0; background: #000; }

.player-stage { position: absolute; inset: 0; }

.game-frame {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0; display: block;
}

.player-loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--dim);
  animation: loading-pulse 1.4s ease-in-out infinite;
}
@keyframes loading-pulse { 50% { opacity: 0.35; } }

/* diagnostic panel shown when the game file itself 404s on the host */
.load-error {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 24px;
  background:
    radial-gradient(700px 420px at 50% 30%, color-mix(in srgb, var(--ac) 7%, transparent), transparent 70%),
    var(--bg);
}
.load-error h2 {
  font-size: clamp(22px, 4vw, 32px); font-weight: 800;
  text-shadow: 0 0 30px color-mix(in srgb, var(--ac) 35%, transparent);
}
.le-status { color: var(--dim); font-size: 14px; }
.le-status b { color: #ff6b6b; }
.le-url {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ac);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 16px;
  max-width: min(640px, 92vw);
  overflow-wrap: anywhere;
}
.le-hint {
  color: var(--dim); font-size: 13.5px; line-height: 1.65;
  max-width: 58ch;
}
.le-hint b, .le-hint em { color: var(--text); font-style: normal; }
.le-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.le-actions a.card-cta { text-decoration: none; display: inline-flex; align-items: center; }
.card-cta.ghost { color: var(--dim); border-color: var(--line); background: transparent; }
.card-cta.ghost:hover { color: var(--text); box-shadow: none; border-color: var(--dim); }

.player-bar {
  position: absolute; top: 10px; left: 10px; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  opacity: 0.55;
  transition: opacity 0.2s ease;
}
.player-bar:hover, .player-bar:focus-within { opacity: 1; }

.exit-btn {
  display: inline-flex; align-items: center;
  font-family: var(--mono);
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text);
  background: rgba(10, 12, 18, 0.85);
  border: 1px solid color-mix(in srgb, var(--ac) 40%, var(--line));
  border-radius: 999px;
  padding: 9px 15px;
  backdrop-filter: blur(5px);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.exit-btn:hover {
  border-color: var(--ac);
  box-shadow: 0 0 18px color-mix(in srgb, var(--ac) 35%, transparent);
}
.exit-btn.ghost { border-color: var(--line); }

.player-title {
  font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: color-mix(in srgb, var(--dim) 80%, transparent);
  padding-left: 4px;
}

/* ------------------------------------------------------------
   Shareable result card — chip + modal (Task 6)
   ------------------------------------------------------------ */
.result-chip {
  position: fixed;
  top: 14px; left: 50%;
  transform: translateX(-50%) translateY(-140%);
  z-index: 30;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: #08131a;
  background: linear-gradient(115deg, var(--ac), var(--ac2));
  border: none; border-radius: 999px;
  padding: 11px 20px;
  box-shadow: 0 8px 30px color-mix(in srgb, var(--ac) 45%, transparent);
  cursor: pointer;
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.2), opacity 0.3s ease;
}
.result-chip.on { transform: translateX(-50%) translateY(0); opacity: 1; }
.result-chip:hover { filter: brightness(1.08); }

.result-modal {
  position: fixed; inset: 0; z-index: 60;
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
  background: radial-gradient(circle at 50% 40%, rgba(10, 12, 20, 0.86), rgba(4, 5, 12, 0.96));
  backdrop-filter: blur(4px);
}
.result-modal.on { display: flex; }
.rm-panel { display: flex; flex-direction: column; gap: 18px; align-items: center; max-width: 460px; width: 100%; }
.rm-preview {
  width: 100%; max-width: 380px; aspect-ratio: 1 / 1;
  border: 1px solid color-mix(in srgb, var(--ac) 40%, var(--line));
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6), 0 0 60px color-mix(in srgb, var(--ac) 18%, transparent);
}
.rm-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.rm-btn {
  font-family: var(--mono);
  font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 22px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, filter 0.15s ease;
}
.rm-btn.primary {
  color: #08131a;
  background: linear-gradient(115deg, var(--ac), var(--ac2));
  border-color: transparent;
}
.rm-btn.primary:hover { filter: brightness(1.08); }
.rm-btn.ghost { color: var(--dim); }
.rm-btn:hover { border-color: color-mix(in srgb, var(--ac) 55%, var(--line)); }

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 940px) {
  .details-layout { grid-template-columns: 1fr; }
  .details-hero { position: static; }
}

@media (max-width: 1100px) {
  .player-title { display: none; }        /* avoid colliding with game HUDs */
}

@media (max-width: 520px) {
  .back-fab { top: 12px; left: 12px; padding: 9px 14px; font-size: 11px; }
  .card-foot { flex-direction: column; align-items: stretch; }
  .card-cta { text-align: center; }
  .play-cta { letter-spacing: 0.14em; }
  .exit-label { display: none; }          /* icon-only pills in-game */
  .exit-btn { padding: 9px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ============================================================
   Account auth widget + modal (Task 9.5). Same-origin sign-in;
   records sync to the account. Hidden on the fullscreen player.
   ============================================================ */
.auth-widget {
  position: fixed; top: 14px; right: 14px; z-index: 50;
  display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px;
}
body[data-view="play"] .auth-widget { display: none; } /* keep clear of the game */

.auth-open, .auth-link {
  cursor: pointer; font-family: var(--mono); font-size: 12px; font-weight: 700;
  letter-spacing: .04em; border: none; border-radius: 20px; padding: 8px 16px;
  color: var(--bg); background: linear-gradient(115deg, var(--ac), #4bd4ff);
  box-shadow: 0 4px 18px rgba(34, 224, 255, .25); transition: transform .12s, filter .12s;
}
.auth-open:hover, .auth-link:hover { transform: translateY(-1px); filter: brightness(1.08); }
.auth-link { background: transparent; color: var(--dim); box-shadow: none; border: 1px solid var(--line); padding: 7px 13px; }
.auth-link:hover { color: var(--text); border-color: var(--ac); }
.auth-badge {
  background: rgba(13, 16, 23, .8); border: 1px solid var(--line); border-radius: 20px;
  padding: 7px 14px; color: var(--ac); font-weight: 700; backdrop-filter: blur(3px);
}

.auth-modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-modal[hidden] { display: none; }
.auth-backdrop { position: absolute; inset: 0; background: rgba(3, 5, 10, .72); backdrop-filter: blur(4px); }
.auth-card {
  position: relative; width: min(400px, 94vw); padding: 26px 26px 20px; font-family: var(--mono);
  background: linear-gradient(180deg, var(--panel), #090c12);
  border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 30px 90px rgba(0, 0, 0, .7);
}
.auth-close { position: absolute; top: 12px; right: 14px; background: none; border: none; color: var(--dim); font-size: 16px; cursor: pointer; }
.auth-close:hover { color: var(--text); }
.auth-tabs { display: flex; gap: 6px; margin-bottom: 18px; }
.auth-tabs button {
  flex: 1; cursor: pointer; font-family: var(--mono); font-size: 12.5px; padding: 10px;
  border-radius: 10px; border: 1px solid var(--line); background: var(--panel-2);
  color: var(--dim); letter-spacing: .04em; transition: .14s;
}
.auth-tabs button.on { color: var(--bg); border-color: var(--ac); background: linear-gradient(115deg, var(--ac), #4bd4ff); font-weight: 700; }
.auth-field { display: block; margin-bottom: 13px; }
.auth-field[hidden] { display: none; }
.auth-field span { display: block; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
.auth-field input {
  width: 100%; font-family: var(--mono); font-size: 14px; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 11px 12px;
}
.auth-field input:focus { outline: none; border-color: var(--ac); box-shadow: 0 0 0 3px rgba(34, 224, 255, .14); }
.auth-error { min-height: 16px; margin: 2px 0 10px; font-size: 12px; color: var(--ac2); }
.auth-submit {
  width: 100%; cursor: pointer; font-family: var(--mono); font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; font-size: 13px; color: var(--bg); border: none; border-radius: 24px; padding: 14px;
  background: linear-gradient(115deg, var(--ac), var(--ac2)); box-shadow: 0 0 26px rgba(34, 224, 255, .28);
  transition: transform .12s, filter .12s;
}
.auth-submit:hover { transform: translateY(-1px); filter: brightness(1.07); }
.auth-submit:disabled { opacity: .6; cursor: default; transform: none; }
.auth-foot { margin-top: 14px; font-size: 10.5px; line-height: 1.6; color: var(--dim); text-align: center; }
@media (prefers-reduced-motion: reduce) { .auth-open, .auth-link, .auth-submit { transition: none; } }

/* ============================================================
   Leaderboard view (Task 9.6)
   ============================================================ */
.lb-page { max-width: 720px; margin: 0 auto; padding: 68px 20px 60px; }
.lb-head { text-align: center; margin-bottom: 22px; }
.lb-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .34em; text-transform: uppercase; color: var(--ac); }
.lb-title { font-size: clamp(28px, 6vw, 46px); margin-top: 8px; }
.lb-controls { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.lb-stats, .lb-scope { display: flex; gap: 6px; flex-wrap: wrap; }
.lb-stat, .lb-scope-btn {
  cursor: pointer; font-family: var(--mono); font-size: 12px; padding: 8px 14px; border-radius: 20px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--dim); transition: .14s;
}
.lb-stat.on, .lb-scope-btn.on { color: var(--bg); border-color: var(--ac); background: var(--ac); font-weight: 700; }
.lb-stat:hover, .lb-scope-btn:hover { color: var(--text); }
.lb-msg { text-align: center; color: var(--dim); font-family: var(--mono); font-size: 13px; padding: 40px 20px; line-height: 1.7; }
.lb-table { width: 100%; border-collapse: collapse; font-family: var(--mono); }
.lb-table th { text-align: left; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding: 8px 12px; border-bottom: 1px solid var(--line); }
.lb-table td { padding: 12px; border-bottom: 1px solid rgba(255, 255, 255, .04); font-size: 14px; }
.lb-rank { width: 48px; text-align: center; }
.lb-best { text-align: right; color: var(--ac); font-weight: 700; }
.lb-table th.lb-best { color: var(--dim); }
.lb-you { background: rgba(34, 224, 255, .07); }
.lb-you .lb-name { color: var(--text); }
.lb-tag { font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--bg); background: var(--ac); padding: 2px 6px; border-radius: 8px; margin-left: 6px; vertical-align: middle; }
.lb-cta {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; margin-top: 12px;
  font-family: var(--mono); font-size: 13px; color: var(--dim); background: transparent;
  border: 1px solid var(--line); border-radius: 24px; padding: 11px 20px; transition: .14s;
}
.lb-cta:hover { color: var(--text); border-color: var(--ac); }

/* ============================================================
   Profile + Admin (Task 9.8). Achievements, friends, records; admin panel.
   ============================================================ */
.auth-badge { cursor: pointer; font-family: var(--mono); }
.auth-badge:hover { filter: brightness(1.15); }

.pf-page, .ad-page { max-width: 760px; margin: 0 auto; padding: 68px 20px 60px; }
.pf-signin, .ad-msg { text-align: center; color: var(--dim); font-family: var(--mono); font-size: 14px; padding: 60px 20px; line-height: 1.8; }
.pf-head, .ad-head { text-align: center; margin-bottom: 26px; }
.pf-eyebrow, .ad-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .34em; text-transform: uppercase; color: var(--ac); }
.pf-name, .ad-title { font-size: clamp(28px, 6vw, 46px); margin-top: 6px; }
.pf-admin { margin-top: 12px; cursor: pointer; font-family: var(--mono); font-size: 12px; color: var(--dim); background: transparent; border: 1px solid var(--line); border-radius: 20px; padding: 8px 16px; }
.pf-admin:hover { color: var(--text); border-color: var(--ac); }
.pf-block { margin-bottom: 30px; }
.pf-h2 { font-family: var(--disp); font-size: 15px; letter-spacing: .04em; text-transform: uppercase; color: var(--text); margin-bottom: 14px; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.pf-count { color: var(--dim); font-size: 12px; font-weight: 400; }
.pf-msg { color: var(--dim); font-family: var(--mono); font-size: 12.5px; padding: 12px 2px; }
.pf-ach { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.pf-badge { background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 12px; text-align: center; opacity: .5; }
.pf-badge.on { opacity: 1; border-color: var(--ac); box-shadow: 0 0 20px rgba(34, 224, 255, .1); }
.pf-badge-icon { display: block; font-size: 24px; margin-bottom: 6px; }
.pf-badge.on .pf-badge-icon { color: var(--ac); }
.pf-badge-name { display: block; font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--text); }
.pf-badge-desc { display: block; font-size: 10px; color: var(--dim); margin-top: 4px; line-height: 1.5; }
.pf-friend-add { display: flex; gap: 8px; margin-bottom: 8px; }
.pf-friend-add input { flex: 1; font-family: var(--mono); font-size: 13px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; }
.pf-friend-add input:focus { outline: none; border-color: var(--ac); }
.pf-friend-add button { cursor: pointer; font-family: var(--mono); font-weight: 700; font-size: 12px; color: var(--bg); background: var(--ac); border: none; border-radius: 9px; padding: 0 18px; }
.pf-friend-err { color: var(--ac2); font-family: var(--mono); font-size: 12px; min-height: 15px; margin-bottom: 6px; }
.pf-friends { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-friend { display: inline-flex; align-items: center; gap: 6px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 20px; padding: 6px 6px 6px 14px; font-family: var(--mono); font-size: 13px; }
.pf-friend-x { cursor: pointer; background: none; border: none; color: var(--dim); font-size: 12px; width: 20px; height: 20px; border-radius: 50%; }
.pf-friend-x:hover { color: var(--ac2); background: rgba(255, 62, 165, .12); }
.pf-records { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.pf-rec { display: flex; justify-content: space-between; align-items: center; background: var(--panel); padding: 12px 14px; font-family: var(--mono); font-size: 13px; }
.pf-rec-v { color: var(--ac); font-weight: 700; }
.pf-rec-v small { color: var(--dim); font-weight: 400; font-size: 10px; }

.ad-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 24px; border-radius: 8px; overflow: hidden; }
.ad-stats > div { background: var(--panel-2); padding: 14px; text-align: center; }
.ad-stats .k { display: block; font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.ad-stats .v { display: block; font-size: 26px; font-weight: 800; margin-top: 4px; color: var(--ac); font-family: var(--mono); }
.ad-table { width: 100%; border-collapse: collapse; font-family: var(--mono); }
.ad-table th { text-align: left; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding: 8px 12px; border-bottom: 1px solid var(--line); }
.ad-table td { padding: 11px 12px; border-bottom: 1px solid rgba(255, 255, 255, .04); font-size: 13px; }
.ad-num { text-align: right; color: var(--dim); }
.ad-flag { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px; border-radius: 8px; }
.ad-flag.on { color: var(--bg); background: var(--ac); }
.ad-flag.off { color: var(--dim); border: 1px solid var(--line); }
.ad-toggle { cursor: pointer; font-family: var(--mono); font-size: 11px; color: var(--dim); background: transparent; border: 1px solid var(--line); border-radius: 16px; padding: 6px 14px; }
.ad-toggle:hover { color: var(--text); border-color: var(--ac); }
.ad-toggle:disabled { opacity: .5; cursor: default; }