/* Gomoku Arena — styles. Two themes share one layout; each theme is just a token set. */

/* ---------- theme tokens ---------- */
:root, :root[data-skin="minimal"] {
  --bg: #f2ece3;
  --bg-2: #e8dfd1;
  --panel: rgba(255, 252, 247, .82);
  --panel-2: #f6f1ea;
  --border: rgba(120, 95, 60, .14);
  --text: #2b2620;
  --muted: #8a7f72;
  --accent: #c8962e;
  --accent-2: #e9bd5a;
  --accent-ink: #3b2a0b;
  --p1: #1c1d21;
  --p2: #ece6db;
  --danger: #b5452e;
  --ok: #3f8a5b;
  --shadow: 0 14px 34px rgba(80, 60, 30, .13), 0 2px 6px rgba(80, 60, 30, .07);
  --shadow-sm: 0 4px 12px rgba(80, 60, 30, .10);
  --ring: 0 0 0 2px rgba(200, 150, 46, .55);
  --radius: 20px;
  --radius-sm: 12px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', system-ui, sans-serif;
  --logo-a: #2b2620;
  --logo-b: #c8962e;
  --board-frame: #c69a5c;
  color-scheme: light;
}

:root[data-skin="neon"] {
  --bg: #060920;
  --bg-2: #120a2e;
  --panel: rgba(14, 16, 46, .74);
  --panel-2: rgba(24, 26, 70, .7);
  --border: rgba(110, 140, 255, .26);
  --text: #eaf2ff;
  --muted: #8f9acb;
  --accent: #29e3ff;
  --accent-2: #ff3fa4;
  --accent-ink: #03141c;
  --p1: #29e3ff;
  --p2: #ff3fa4;
  --danger: #ff4d6d;
  --ok: #45f0a0;
  --shadow: 0 0 0 1px rgba(80, 120, 255, .18), 0 16px 44px rgba(0, 0, 0, .55);
  --shadow-sm: 0 0 0 1px rgba(80, 120, 255, .18), 0 6px 18px rgba(0, 0, 0, .4);
  --ring: 0 0 0 1px #29e3ff, 0 0 18px rgba(41, 227, 255, .55);
  --radius: 18px;
  --radius-sm: 12px;
  --font-display: 'Orbitron', 'Inter', system-ui, sans-serif;
  --logo-a: #29e3ff;
  --logo-b: #ff3fa4;
  --board-frame: #29e3ff;
  color-scheme: dark;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .4s ease, color .4s ease;
}
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
button:focus-visible, [tabindex]:focus-visible { outline: none; box-shadow: var(--ring); }
svg { display: block; }

/* ---------- backdrop ---------- */
.backdrop { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.backdrop .glow { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .7; transition: background .5s; }
.backdrop .g1 { width: 55vw; height: 55vw; left: -15vw; top: -20vw; background: radial-gradient(circle, rgba(255, 255, 255, .9), transparent 70%); }
.backdrop .g2 { width: 50vw; height: 50vw; right: -18vw; bottom: -22vw; background: radial-gradient(circle, rgba(214, 182, 128, .45), transparent 70%); }
.backdrop .floor { display: none; }
[data-skin="neon"] .backdrop {
  background: radial-gradient(ellipse at 50% -10%, #2a0f5c 0%, transparent 60%), linear-gradient(180deg, #060920, #0b0726);
}
[data-skin="neon"] .backdrop .g1 { background: radial-gradient(circle, rgba(41, 227, 255, .35), transparent 70%); }
[data-skin="neon"] .backdrop .g2 { background: radial-gradient(circle, rgba(255, 63, 164, .35), transparent 70%); }
[data-skin="neon"] .backdrop .floor {
  display: block; position: absolute; left: -50%; right: -50%; bottom: -10%; height: 55%;
  background-image:
    linear-gradient(rgba(41, 227, 255, .22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 227, 255, .22) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(500px) rotateX(62deg);
  transform-origin: top;
  mask-image: linear-gradient(to bottom, transparent, #000 45%);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 45%);
  animation: floor 6s linear infinite;
}
@keyframes floor { to { background-position: 0 64px; } }

/* ---------- layout ---------- */
.app {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 76px;
  grid-template-rows: auto 1fr;
  grid-template-areas: "top top top" "side stage rail";
  gap: 0 24px;
  padding: 18px 24px 24px;
  max-width: 1320px;
  margin: 0 auto;
}
.topbar { grid-area: top; display: flex; justify-content: center; padding: 4px 0 14px; }
.side { grid-area: side; align-self: start; }
.stage { grid-area: stage; display: flex; flex-direction: column; align-items: center; min-width: 0; }
.rail { grid-area: rail; align-self: start; display: flex; flex-direction: column; gap: 12px; align-items: center; }

/* ---------- brand ---------- */
.brand { text-align: center; }
.logo {
  margin: 0; font-family: var(--font-display); font-weight: 300; letter-spacing: .14em;
  font-size: clamp(26px, 3.4vw, 44px); line-height: 1.05;
}
.logo-a { color: var(--logo-a); }
.logo-b { color: var(--logo-b); font-weight: 500; }
[data-skin="neon"] .logo { font-weight: 800; letter-spacing: .06em; }
[data-skin="neon"] .logo-a { text-shadow: 0 0 12px rgba(41, 227, 255, .8), 0 0 30px rgba(41, 227, 255, .45); }
[data-skin="neon"] .logo-b { text-shadow: 0 0 12px rgba(255, 63, 164, .8), 0 0 30px rgba(255, 63, 164, .45); font-weight: 800; }
.tagline { margin: 6px 0 0; font-size: 12px; letter-spacing: .32em; text-transform: uppercase; color: var(--muted); }
[data-skin="neon"] .tagline { color: #cfd8ff; letter-spacing: .24em; font-weight: 600; }

/* ---------- panels ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* side nav */
.side .panel { padding: 10px; display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; width: 100%;
  padding: 11px 12px; border-radius: var(--radius-sm); text-align: left;
  font-weight: 500; font-size: 14px; color: var(--muted);
  transition: background .2s, color .2s, box-shadow .2s;
}
.nav-item svg { width: 20px; height: 20px; flex: none; }
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
[data-skin="neon"] .nav-item.active { background: rgba(41, 227, 255, .12); color: #fff; box-shadow: inset 0 0 0 1px var(--accent), 0 0 16px rgba(41, 227, 255, .35); }
.nav-item .soon { margin-left: auto; font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 2px 6px; border-radius: 6px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.nav-sep { height: 1px; background: var(--border); margin: 6px 4px; }
.nav-label { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 8px 12px 4px; }

/* rail */
.icon-btn {
  width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center;
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  color: var(--text); transition: transform .15s, box-shadow .2s, background .2s, opacity .2s;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn:hover { transform: translateY(-2px); }
.icon-btn:active { transform: translateY(0) scale(.96); }
.icon-btn:disabled { opacity: .35; pointer-events: none; }
.icon-btn.on { color: var(--accent); }
.icon-btn.armed { background: var(--danger); color: #fff; border-color: transparent; }
[data-skin="neon"] .icon-btn:hover { box-shadow: var(--ring); }

/* ---------- match header ---------- */
.match {
  width: 100%; max-width: 680px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.player {
  display: flex; align-items: center; gap: 12px; min-width: 0;
  padding: 10px 14px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.player.right { flex-direction: row-reverse; text-align: right; }
.player.active { box-shadow: var(--ring), var(--shadow-sm); transform: translateY(-2px); }
.player .avatar { flex: none; width: 46px; height: 46px; border-radius: 50%; position: relative; }
.player .avatar .stone-dot { position: absolute; right: -2px; bottom: -2px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--panel-2); }
.player.right .avatar .stone-dot { right: auto; left: -2px; }
.player .meta { min-width: 0; flex: 1; }
.player .name { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player .sub { white-space: nowrap; overflow: hidden; display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); margin-top: 2px; }
.player.right .sub { justify-content: flex-end; }
.player .sub svg { width: 13px; height: 13px; color: var(--accent); flex: none; }
.clock {
  font-variant-numeric: tabular-nums; font-weight: 600; font-size: 16px;
  padding: 6px 10px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--border);
  min-width: 64px; text-align: center;
}
.clock.hidden { display: none; }
.player.active .clock { color: var(--accent); }
[data-skin="minimal"] .player.active .clock { color: var(--accent-ink); background: linear-gradient(135deg, #f6dc9c, var(--accent-2)); border-color: transparent; }
.clock.low { color: #fff !important; background: var(--danger) !important; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: .65; } }

.vs { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.vs-badge {
  font-family: var(--font-display); font-weight: 600; font-size: 15px; letter-spacing: .08em;
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow-sm); color: var(--accent);
}
[data-skin="neon"] .vs-badge { color: #fff; text-shadow: 0 0 10px var(--accent); box-shadow: var(--ring); }
.move-no { font-size: 11px; color: var(--muted); letter-spacing: .06em; white-space: nowrap; }

/* ---------- board ---------- */
.board-wrap {
  position: relative;
  width: min(100%, calc(100vh - 300px), 680px);
  width: min(100%, calc(100dvh - 300px), 680px);
  min-width: 280px;
  aspect-ratio: 1;
  border-radius: 22px;
  padding: 10px;
  background: linear-gradient(145deg, #d7b17a, #b98a4e);
  box-shadow: 0 30px 60px rgba(90, 60, 20, .25), 0 6px 14px rgba(90, 60, 20, .18), inset 0 1px 0 rgba(255, 255, 255, .4);
  transition: background .4s, box-shadow .4s;
}
[data-skin="neon"] .board-wrap {
  background: linear-gradient(135deg, rgba(41, 227, 255, .9), rgba(166, 107, 255, .7) 50%, rgba(255, 63, 164, .9));
  padding: 2px;
  box-shadow: 0 0 30px rgba(41, 227, 255, .35), 0 0 60px rgba(255, 63, 164, .25), 0 30px 60px rgba(0, 0, 0, .6);
}
#board { width: 100%; height: 100%; border-radius: 14px; display: block; touch-action: manipulation; cursor: pointer; }
[data-skin="neon"] #board { border-radius: 20px; }
.board-wrap.locked #board { cursor: default; }

/* ---------- controls ---------- */
.controls { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.controls .icon-btn { width: 46px; height: 46px; border-radius: 14px; }
.turn-pill {
  min-width: 200px; padding: 13px 26px; border-radius: 999px; text-align: center;
  font-weight: 600; font-size: 15px; letter-spacing: .02em;
  background: linear-gradient(135deg, #f7d98e, var(--accent-2) 45%, var(--accent));
  color: var(--accent-ink); box-shadow: 0 8px 20px rgba(200, 150, 46, .35), inset 0 1px 0 rgba(255, 255, 255, .5);
  transition: opacity .3s, filter .3s;
}
.turn-pill.wait { filter: saturate(.25); opacity: .85; }
[data-skin="neon"] .turn-pill {
  background: rgba(41, 227, 255, .08); color: #bff6ff; font-family: var(--font-display); font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  box-shadow: inset 0 0 0 1.5px var(--accent), 0 0 22px rgba(41, 227, 255, .45);
  text-shadow: 0 0 8px rgba(41, 227, 255, .9);
}
[data-skin="neon"] .turn-pill.p2 { color: #ffd1ea; box-shadow: inset 0 0 0 1.5px var(--accent-2), 0 0 22px rgba(255, 63, 164, .45); text-shadow: 0 0 8px rgba(255, 63, 164, .9); }
.thinking::after { content: ''; display: inline-block; width: 1.2em; text-align: left; animation: dots 1.2s steps(4) infinite; }
@keyframes dots { 0% { content: ''; } 25% { content: '.'; } 50% { content: '..'; } 75% { content: '...'; } }
.rule-line { margin: 12px 0 0; font-size: 12px; color: var(--muted); text-align: center; line-height: 1.5; }
.rule-line a, .link-btn { color: var(--accent); font-weight: 600; text-decoration: none; font-size: inherit; padding: 0; }

/* ---------- result card ---------- */
.result {
  position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%);
  width: min(88%, 380px); padding: 22px 22px 18px; text-align: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  animation: rise .5s cubic-bezier(.2, .9, .3, 1.2) both;
}
.result[hidden] { display: none; }
@keyframes rise { from { opacity: 0; transform: translate(-50%, 30px) scale(.96); } }
.result h2 { margin: 0; font-family: var(--font-display); font-size: 30px; font-weight: 600; letter-spacing: .06em; }
.result.win h2 { color: var(--accent); }
[data-skin="neon"] .result.win h2 { text-shadow: 0 0 16px var(--accent); }
.result.loss h2 { color: var(--danger); }
.result p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.result .delta { display: inline-flex; gap: 6px; align-items: center; margin-top: 10px; font-weight: 600; font-size: 14px; padding: 5px 12px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); }
.result .delta.up { color: var(--ok); }
.result .delta.down { color: var(--danger); }
.result .unlock { margin-top: 10px; font-size: 13px; color: var(--accent); font-weight: 600; }
.result .row { display: flex; gap: 10px; justify-content: center; margin-top: 16px; flex-wrap: wrap; }

.btn {
  padding: 11px 20px; border-radius: 999px; font-weight: 600; font-size: 14px;
  background: var(--panel-2); border: 1px solid var(--border); transition: transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn, .mini-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn svg, .mini-btn svg, .result .unlock svg, .result .delta svg { display: inline-block; flex: none; }
.btn.primary { background: linear-gradient(135deg, #f7d98e, var(--accent-2) 45%, var(--accent)); color: var(--accent-ink); border-color: transparent; box-shadow: 0 6px 16px rgba(200, 150, 46, .3); }
[data-skin="neon"] .btn.primary { background: linear-gradient(135deg, var(--accent), #7b8cff); color: #04121a; box-shadow: 0 0 18px rgba(41, 227, 255, .5); }

/* ---------- modals ---------- */
.modal-root { position: fixed; inset: 0; z-index: 50; display: none; place-items: center; padding: 16px; }
.modal-root.open { display: grid; }
.modal-scrim { position: absolute; inset: 0; background: rgba(40, 30, 15, .28); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); animation: fade .25s both; }
[data-skin="neon"] .modal-scrim { background: rgba(2, 3, 15, .6); }
@keyframes fade { from { opacity: 0; } }
.modal {
  position: relative; width: min(100%, 640px); max-height: calc(100dvh - 32px); overflow: auto;
  padding: 22px; animation: pop .3s cubic-bezier(.2, .9, .3, 1.15) both;
  background: var(--panel-2);
}
[data-skin="neon"] .modal { background: rgba(12, 14, 40, .94); box-shadow: 0 0 0 1px rgba(41, 227, 255, .35), 0 0 40px rgba(41, 227, 255, .15), 0 30px 60px rgba(0, 0, 0, .6); }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.97); } }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.modal-head h2 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: .02em; }
[data-skin="neon"] .modal-head h2 { font-family: var(--font-display); font-size: 15px; letter-spacing: .14em; text-transform: uppercase; }
.close { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; color: var(--muted); }
.close:hover { background: var(--panel); color: var(--text); }
.close svg { width: 20px; height: 20px; }

.field { margin-bottom: 18px; }
.field > label, .field-label { display: block; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 10px; }
.choice {
  position: relative; padding: 14px 12px; border-radius: 16px; text-align: center;
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .2s, border-color .2s;
}
.choice:hover { transform: translateY(-2px); }
.choice.sel { box-shadow: var(--ring); border-color: transparent; }
.choice .ico { display: grid; place-items: center; margin: 0 auto 8px; color: var(--accent); }
.choice .ico svg { width: 34px; height: 34px; }
.choice .t { font-weight: 600; font-size: 15px; }
.choice .d { font-size: 12px; color: var(--muted); margin-top: 3px; }
.seg { display: inline-flex; padding: 4px; gap: 4px; border-radius: 999px; background: var(--panel); border: 1px solid var(--border); flex-wrap: wrap; }
.seg button { padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--muted); }
.seg button.sel { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: var(--accent-ink); font-weight: 600; }
[data-skin="neon"] .seg button.sel { background: rgba(41, 227, 255, .15); color: #fff; box-shadow: inset 0 0 0 1px var(--accent); }
.hint-text { font-size: 12px; color: var(--muted); margin-top: 8px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }

/* profile */
.profile-top { display: flex; gap: 16px; align-items: center; }
.profile-top .avatar { width: 72px; height: 72px; flex: none; }
.profile-top input {
  font: inherit; font-weight: 600; font-size: 18px; color: var(--text); background: transparent;
  border: 0; border-bottom: 1px dashed var(--border); padding: 2px 0; width: 100%; max-width: 260px;
}
.profile-top input:focus { outline: none; border-bottom-color: var(--accent); }
.league-name { font-size: 13px; color: var(--muted); margin-top: 4px; display: flex; gap: 6px; align-items: center; }
.league-name b { color: var(--text); }
.bar { height: 8px; border-radius: 99px; background: var(--panel); border: 1px solid var(--border); overflow: hidden; margin-top: 10px; }
.bar > i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
[data-skin="neon"] .bar > i { background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 10px var(--accent); }
.bar-label { font-size: 12px; color: var(--muted); margin-top: 6px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 18px 0; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.ladder { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; text-align: center; }
.ladder .tier { opacity: .45; transition: opacity .2s; }
.ladder .tier.reached { opacity: 1; }
.ladder .tier.current .badge { transform: scale(1.15); filter: drop-shadow(0 4px 10px rgba(200, 150, 46, .45)); }
[data-skin="neon"] .ladder .tier.current .badge { filter: drop-shadow(0 0 10px rgba(41, 227, 255, .7)); }
.ladder .badge { width: 46px; height: 52px; margin: 0 auto; transition: transform .2s; }
.ladder span { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.ach { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; }
.ach div { display: flex; gap: 10px; align-items: center; padding: 10px; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); font-size: 13px; opacity: .5; }
.ach div.got { opacity: 1; }
.ach div svg { width: 22px; height: 22px; color: var(--accent); flex: none; }
.ach small { display: block; color: var(--muted); font-size: 11px; }
.history { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.history li { display: grid; grid-template-columns: 54px 1fr auto auto; gap: 10px; align-items: center; padding: 9px 12px; border-radius: 12px; background: var(--panel); border: 1px solid var(--border); font-size: 13px; }
.history .res { font-weight: 700; font-size: 12px; letter-spacing: .06em; }
.history .res.W { color: var(--ok); } .history .res.L { color: var(--danger); } .history .res.D { color: var(--muted); }
.history .m { color: var(--muted); font-size: 12px; }
.empty { color: var(--muted); font-size: 13px; padding: 10px 0; }
.section-title { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin: 20px 0 10px; }

/* customize */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 10px; }
.swatch { position: relative; padding: 10px; border-radius: 16px; background: var(--panel); border: 1px solid var(--border); text-align: center; box-shadow: var(--shadow-sm); transition: transform .15s, box-shadow .2s; }
.swatch:hover { transform: translateY(-2px); }
.swatch.sel { box-shadow: var(--ring); border-color: transparent; }
.swatch canvas { width: 100%; aspect-ratio: 1.6; border-radius: 10px; display: block; }
.swatch .t { font-size: 13px; font-weight: 600; margin-top: 8px; }
.swatch .d { font-size: 11px; color: var(--muted); margin-top: 2px; min-height: 14px; }
.swatch.locked { cursor: not-allowed; }
.swatch.locked canvas { filter: grayscale(.8) brightness(.8); opacity: .55; }
.swatch .lock { position: absolute; top: 16px; right: 16px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.swatch .lock svg { width: 15px; height: 15px; }
.theme-pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.theme-card { border-radius: 16px; overflow: hidden; border: 1px solid var(--border); text-align: left; background: var(--panel); box-shadow: var(--shadow-sm); }
.theme-card.sel { box-shadow: var(--ring); }
.theme-card .prev { height: 64px; display: flex; align-items: center; justify-content: center; gap: 8px; }
.theme-card .prev i { width: 22px; height: 22px; border-radius: 50%; display: block; }
.theme-card .lbl { padding: 8px 12px; font-size: 13px; font-weight: 600; }
.theme-card .lbl small { display: block; color: var(--muted); font-weight: 400; font-size: 11px; }

/* toast */
.toast {
  position: fixed; left: 50%; top: 18px; transform: translate(-50%, -150%); z-index: 80;
  padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 500;
  background: var(--panel-2); border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: transform .35s cubic-bezier(.2, .9, .3, 1.2), opacity .25s; pointer-events: none; max-width: calc(100% - 32px);
  opacity: 0;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .app { grid-template-columns: 64px minmax(0, 1fr) 64px; gap: 0 16px; padding: 16px; }
  .nav-item { justify-content: center; padding: 11px; }
  .nav-item .lbl, .nav-item .soon, .nav-label { display: none; }
  .side .panel { padding: 6px; }
  .rail .icon-btn { width: 48px; height: 48px; }
}

@media (max-width: 760px) {
  .app {
    grid-template-columns: 1fr auto;
    grid-template-areas: "top rail" "stage stage";
    padding: 12px max(16px, env(safe-area-inset-right, 0px)) calc(84px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left, 0px));
    gap: 0;
  }
  .topbar { justify-content: flex-start; padding: 0 0 12px; }
  .brand { text-align: left; }
  .logo { font-size: 22px; }
  .tagline { font-size: 9px; letter-spacing: .22em; margin-top: 3px; }
  .rail { flex-direction: row; gap: 6px; align-self: start; }
  .rail .icon-btn { width: 40px; height: 40px; border-radius: 12px; }
  .rail .icon-btn svg { width: 19px; height: 19px; }
  .side {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    padding: 0 10px calc(8px + env(safe-area-inset-bottom));
  }
  .side .panel { flex-direction: row; justify-content: space-around; padding: 6px; border-radius: 18px; }
  .nav-item { flex-direction: column; gap: 3px; font-size: 10px; padding: 7px 4px; width: auto; flex: 1; }
  .nav-item .lbl { display: block; white-space: nowrap; }
  .nav-sep, .nav-item.mobile-hide, .rail .mobile-hide { display: none; }
  .match { gap: 8px; margin-bottom: 12px; }
  .player, .player.right {
    display: grid; grid-template-columns: 34px minmax(0, 1fr); grid-template-areas: "av meta" "clock clock";
    padding: 8px; gap: 6px 8px; border-radius: 16px; text-align: left;
  }
  .player.right { grid-template-columns: minmax(0, 1fr) 34px; grid-template-areas: "meta av" "clock clock"; text-align: right; }
  .player .avatar { grid-area: av; width: 34px; height: 34px; }
  .player .meta { grid-area: meta; }
  .player .clock { grid-area: clock; }
  .player .sub .lg { display: none; }
  .player .avatar .stone-dot { width: 13px; height: 13px; }
  .player .name { font-size: 13px; }
  .player .sub { font-size: 11px; }
  .player .meta { display: flex; flex-direction: column; }
  .clock { font-size: 13px; min-width: 52px; padding: 4px 6px; }
  .vs-badge { width: 36px; height: 36px; font-size: 12px; border-radius: 11px; }
  .board-wrap { width: 100%; min-width: 0; padding: 6px; border-radius: 16px; }
  #board { border-radius: 11px; }
  .controls { gap: 8px; margin-top: 14px; }
  .controls .icon-btn { width: 42px; height: 42px; }
  .turn-pill { min-width: 0; flex: 1; padding: 12px 10px; font-size: 14px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .result {
    position: fixed; left: 12px; right: 12px; bottom: calc(84px + env(safe-area-inset-bottom)); width: auto;
    transform: none; z-index: 40; padding: 16px 16px 14px; animation-name: rise-m;
  }
  .result h2 { font-size: 24px; }
  .result .row { margin-top: 12px; flex-wrap: nowrap; }
  .result .btn { padding: 10px 14px; font-size: 13px; }
  @keyframes rise-m { from { opacity: 0; transform: translateY(30px); } }
  .ladder .badge { width: 36px; height: 41px; }
  .history li { grid-template-columns: 44px 1fr auto; }
}


/* ===================== Progression & online (v2) ===================== */
.you { color: var(--muted); font-weight: 500; }
.prose { margin: 0; line-height: 1.6; max-width: 62ch; }
.link-btn { cursor: pointer; }

/* rail avatar when signed in */
.me-btn { position: relative; }
.me-av { width: 32px; height: 32px; display: block; }
.icon-btn .me-av svg { width: 100%; height: 100%; }
.online-dot { position: absolute; right: 7px; bottom: 7px; width: 10px; height: 10px; border-radius: 50%; background: var(--ok); border: 2px solid var(--panel-2); }

/* replay mode */
.replay-bar { display: none; align-items: center; gap: 8px; margin-top: 18px; flex-wrap: wrap; justify-content: center; }
.replay-bar .icon-btn { width: 44px; height: 44px; border-radius: 14px; }
.replay-label { min-width: 170px; text-align: center; font-variant-numeric: tabular-nums; padding: 11px 16px; border-radius: 999px; background: var(--panel); border: 1px solid var(--border); font-size: 14px; }
.replay-label span { color: var(--muted); }
body.replaying .replay-bar { display: flex; }
body.replaying .controls { display: none; }
body.replaying .board-wrap::after {
  content: 'REPLAY'; position: absolute; top: 14px; right: 18px; font-size: 11px; font-weight: 700; letter-spacing: .16em;
  padding: 4px 9px; border-radius: 999px; background: var(--accent); color: var(--accent-ink);
}

/* result card additions */
.result .pills { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 10px; }
.result .pills .delta { margin-top: 0; }
.result .delta.sp { color: var(--accent); }
.result .ranks { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 10px; font-size: 13px; color: var(--muted); }
.result .ranks b { color: var(--text); font-variant-numeric: tabular-nums; }
.result .ranks .upk { color: var(--ok); font-size: 11px; }
.result .unlock { display: flex; gap: 6px; align-items: center; justify-content: center; }
.result .saving { display: flex; gap: 6px; align-items: center; justify-content: center; color: var(--accent); }
.result .err { color: var(--danger); }
.result .series b { color: var(--text); }
.nudge { font-size: 12px; color: var(--muted); margin-top: 10px; text-align: center; }
.nudge .link-btn { font-size: 12px; }

/* account form */
.acct-form { display: grid; gap: 8px; max-width: 420px; }
.acct-form label { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-top: 6px; }
.acct-form input, select {
  font: inherit; font-size: 15px; color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 11px 13px; width: 100%;
}
.acct-form input:focus, select:focus { outline: none; box-shadow: var(--ring); }
.acct-form .btn { justify-self: start; margin-top: 6px; }
.form-err { color: var(--danger); font-size: 13px; min-height: 1em; margin: 4px 0 0; }
.pals { display: flex; flex-wrap: wrap; gap: 8px; }
.pal { width: 38px; height: 38px; border-radius: 50%; padding: 0; transition: transform .15s; }
.pal:hover { transform: scale(1.08); }
.pal.sel { box-shadow: var(--ring); }

/* empty states */
.empty-state { text-align: center; padding: 18px 10px 8px; color: var(--muted); display: grid; justify-items: center; gap: 8px; }
.empty-state svg { color: var(--accent); }
.empty-state h3 { margin: 4px 0 0; color: var(--text); font-size: 18px; text-wrap: balance; }
.empty-state p { margin: 0; max-width: 52ch; line-height: 1.55; }
.me-line { display: flex; gap: 10px; align-items: center; margin-top: 12px; padding: 10px 14px; border-radius: 14px; background: var(--panel); border: 1px solid var(--border); color: var(--text); font-size: 13px; text-align: left; }
.me-line svg { width: 36px; height: 36px; flex: none; color: inherit; }
.loading { color: var(--muted); padding: 20px 0; text-align: center; }

/* profile */
.avatar.big { width: 80px; height: 80px; flex: none; }
.pt-main { flex: 1; min-width: 0; }
.pname { font-weight: 700; font-size: 20px; }
.ptitle { font-size: 12px; color: var(--accent); font-weight: 600; letter-spacing: .04em; margin-top: 2px; }
.cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 16px; padding: 14px; border-radius: 16px; background: var(--panel); border: 1px dashed var(--accent); }
.cta > svg { color: var(--accent); flex: none; }
.cta > div { flex: 1; min-width: 180px; display: grid; gap: 2px; }
.cta span { font-size: 13px; color: var(--muted); }
.rank-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin-top: 16px; }
.rank-row > div { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 10px 12px; display: grid; }
.rank-row span { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.rank-row b { font-size: 22px; font-variant-numeric: tabular-nums; }
.rank-row small { color: var(--muted); font-size: 11px; }
.profile-top + .tabs, .rank-row + .tabs, .cta + .tabs { margin-top: 18px; }
.spark-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 12px 14px 6px; }
.spark-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.spark-head b { font-size: 18px; color: var(--text); letter-spacing: 0; font-variant-numeric: tabular-nums; }
.spark { width: 100%; height: 64px; display: block; margin-top: 4px; }
.stats.five { grid-template-columns: repeat(5, 1fr); }
.ladder small { display: block; font-size: 10px; color: var(--muted); }
.row-inline { display: flex; gap: 10px; }
.toggle { display: flex; gap: 10px; align-items: center; margin-top: 12px; font-size: 14px; }
.toggle input { width: 18px; height: 18px; accent-color: var(--accent); }
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.tbl th, .tbl td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--border); }
.tbl th:first-child, .tbl td:first-child { text-align: left; }
.tbl thead th { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.tbl tbody th { font-weight: 500; }
.history li { grid-template-columns: 54px minmax(0, 1fr) auto auto auto; }
.history li > span:nth-child(2) { min-width: 0; }
.mini-btn { display: inline-flex; gap: 5px; align-items: center; font-size: 12px; font-weight: 600; padding: 6px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--accent); }
.mini-btn:hover { box-shadow: var(--ring); }

/* leaderboards */
.lb-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.lb-head select { width: auto; max-width: 240px; padding: 8px 12px; font-size: 14px; }
.lb-sub { font-size: 13px; color: var(--muted); margin: 12px 0 10px; }
.lb-list { display: grid; gap: 6px; }
.lb-row {
  display: grid; grid-template-columns: 34px 38px minmax(0, 1fr) 56px 26px 64px; gap: 10px; align-items: center; text-align: left;
  padding: 8px 12px; border-radius: 14px; background: var(--panel); border: 1px solid var(--border); transition: transform .15s, box-shadow .2s;
}
.lb-row:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.lb-row.me { box-shadow: var(--ring); }
.lb-row .rk { white-space: nowrap; font-weight: 700; font-variant-numeric: tabular-nums; text-align: center; color: var(--muted); }
.lb-row.top1 .rk { color: #d9a441; } .lb-row.top2 .rk { color: #9aa6b4; } .lb-row.top3 .rk { color: #b9733f; }
.lb-row.top1 .rk::before { content: '★ '; }
.lb-row .av { width: 38px; height: 38px; display: block; }
.lb-row .nm { min-width: 0; display: grid; }
.lb-row .nm b { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 14px; }
.lb-row .nm small { font-size: 11px; color: var(--accent); }
.lb-row .cc { font-size: 12px; color: var(--muted); white-space: nowrap; }
.lb-row .tr svg { display: block; }
.lb-row .sc { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.lb-row .sc small { color: var(--muted); font-weight: 500; }
.lb-gap { text-align: center; color: var(--muted); letter-spacing: .3em; }
.lb-total { font-size: 12px; color: var(--muted); text-align: center; margin: 8px 0 0; }

/* season */
.season-hero { display: flex; justify-content: space-between; gap: 16px; align-items: center; flex-wrap: wrap; padding: 18px; border-radius: 18px;
  background: linear-gradient(135deg, var(--panel), var(--panel-2)); border: 1px solid var(--border); }
.eyebrow { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.season-hero h3 { margin: 4px 0; font-family: var(--font-display); font-size: 26px; font-weight: 600; }
.season-hero p { margin: 0; color: var(--muted); font-size: 13px; }
.season-sp { text-align: right; display: grid; }
.season-sp b { font-size: 40px; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; font-family: var(--font-display); }
[data-skin="neon"] .season-sp b { text-shadow: 0 0 14px var(--accent); }
.season-sp span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.season-sp small { font-size: 13px; font-weight: 600; margin-top: 4px; }
.track { padding: 22px 10px 8px; }
.track-bar { position: relative; height: 10px; border-radius: 99px; background: var(--panel); border: 1px solid var(--border); }
.track-bar > i { position: absolute; inset: 0 auto 0 0; border-radius: 99px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
[data-skin="neon"] .track-bar > i { background: linear-gradient(90deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px var(--accent); }
.tdot { position: absolute; top: 50%; width: 18px; height: 18px; border-radius: 50%; transform: translate(-50%, -50%); background: var(--panel-2); border: 2px solid var(--border); }
.tdot.got { background: var(--accent); border-color: var(--panel-2); }
.rewards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.reward { display: grid; gap: 3px; padding: 12px; border-radius: 14px; background: var(--panel); border: 1px solid var(--border); opacity: .8; }
.reward.got { opacity: 1; box-shadow: var(--ring); }
.reward .ric { color: var(--accent); }
.reward b { font-variant-numeric: tabular-nums; }
.reward span { font-size: 13px; font-weight: 600; }
.reward small { font-size: 11px; color: var(--muted); }

@media (max-width: 760px) {
  .stats.five { grid-template-columns: repeat(3, 1fr); }
  .rewards { grid-template-columns: repeat(2, 1fr); }
  .lb-row { grid-template-columns: 28px 34px minmax(0, 1fr) 24px 56px; gap: 8px; padding: 8px 10px; }
  .lb-row .cc { display: none; }
  .lb-row.top1 .rk::before { content: none; }
  .lb-row .av { width: 34px; height: 34px; }
  .history li { grid-template-columns: 44px minmax(0, 1fr) auto auto; }
  .history li > span:nth-child(4) { display: none; }
  .avatar.big { width: 64px; height: 64px; }
  .season-sp b { font-size: 32px; }
  .season-sp { text-align: left; }
  .replay-label { min-width: 0; flex: 1 1 100%; order: -1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}