/* =============================================
   Chess Platform — Black & White Modern Design
   Inspired by 21st.dev editorial aesthetic
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Questrial&family=Raleway:ital,wght@0,100..900;1,100..900&display=swap');

:root {
  /* Core palette — dark (default) */
  --bg:          #000000;
  --bg-1:        #0a0a0a;
  --bg-2:        #111111;
  --bg-3:        #1a1a1a;
  --surface:     rgba(255,255,255,0.04);
  --surface-hov: rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.09);
  --border-hov:  rgba(255,255,255,0.18);

  /* Text */
  --text:        #ffffff;
  --text-2:      rgba(255,255,255,0.72);
  --text-3:      rgba(255,255,255,0.42);
  --text-4:      rgba(255,255,255,0.22);

  /* Accents */
  --gold:        #f0b429;
  --green:       #22c55e;
  --red:         #ef4444;
  --blue:        #60a5fa;

  /* Chess board — gray slate */
  --sq-light:    #dde3e8;
  --sq-dark:     #8a9eb0;
  --sq-frame:    #4d616e;
  --sq-sel-lt:   #f6f66a;
  --sq-sel-dk:   #b9c73b;
  --sq-last-lt:  #cdd16a;
  --sq-last-dk:  #a8aa3a;

  --radius:      12px;
  --radius-sm:   8px;
  --t:           0.18s ease;

  /* Semantic tokens for hardcoded values */
  --nav-bg:        rgba(22,22,22,0.92);  /* slightly gray so it doesn't blend */
  --nav-mob-bg:    rgba(18,18,18,0.97);  /* slightly gray so it doesn't blend */
  --card-bg:       #0d0d0d;
  --drop-bg:       #111111;
  --toast-bg:      #111111;
  --select-opt-bg: #1a1a1a;
  --dot-color:     rgba(255,255,255,0.13);
  --hover-overlay: rgba(255,255,255,0.06);
  --active-overlay:rgba(255,255,255,0.08);
  --focus-ring:    rgba(255,255,255,0.05);
  --focus-border:  rgba(255,255,255,0.4);
  --tab-active-bg: #ffffff;
  --tab-active-fg: #000000;
  --progress-bg:   #ffffff;
  --hero-stroke:   rgba(255,255,255,0.5);
  --hero-stroke-2: rgba(255,255,255,0.35);
}

/* ── Light theme — warm ivory palette ──────── */
[data-theme="light"] {
  /* Backgrounds: warm off-white, not cold blue-white */
  --bg:          #faf9f7;
  --bg-1:        #f3f1ed;
  --bg-2:        #eae7e1;
  --bg-3:        #dedad2;

  /* Surfaces: white cards on warm bg */
  --surface:     rgba(255,255,255,0.75);
  --surface-hov: rgba(255,255,255,0.95);

  /* Borders: soft warm gray */
  --border:      rgba(0,0,0,0.09);
  --border-hov:  rgba(0,0,0,0.18);

  /* Text: warm charcoal (not pure black) */
  --text:        #1c1917;
  --text-2:      rgba(28,25,23,0.68);
  --text-3:      rgba(28,25,23,0.44);
  --text-4:      rgba(28,25,23,0.27);

  /* Nav & containers */
  --nav-bg:        rgba(250,249,247,0.94);
  --nav-mob-bg:    rgba(250,249,247,0.98);
  --card-bg:       #ffffff;
  --drop-bg:       #ffffff;
  --toast-bg:      #ffffff;
  --select-opt-bg: #f3f1ed;

  /* Subtle dot grid on warm white */
  --dot-color:     rgba(0,0,0,0.045);

  /* Interaction overlays */
  --hover-overlay: rgba(0,0,0,0.04);
  --active-overlay:rgba(0,0,0,0.07);

  /* Focus */
  --focus-ring:    rgba(0,0,0,0.07);
  --focus-border:  rgba(28,25,23,0.28);

  /* Tabs & progress */
  --tab-active-bg: #1c1917;
  --tab-active-fg: #ffffff;
  --progress-bg:   #1c1917;

  /* Hero text stroke */
  --hero-stroke:   rgba(28,25,23,0.30);
  --hero-stroke-2: rgba(28,25,23,0.18);
}

/* ── Light-only element overrides ───────────── */

/* Warm vignette instead of dark one */
[data-theme="light"] body::after {
  background: radial-gradient(ellipse 100% 60% at 50% 0%,
    rgba(250,249,247,0) 0%, rgba(242,239,234,0.45) 100%);
}

/* Glass cards get real white bg + shadow in light */
[data-theme="light"] .glass {
  background: rgba(255,255,255,0.82);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 6px 20px rgba(0,0,0,0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
[data-theme="light"] .glass:hover {
  background: rgba(255,255,255,0.96);
  border-color: rgba(0,0,0,0.14);
  box-shadow: 0 2px 8px rgba(0,0,0,0.09), 0 8px 28px rgba(0,0,0,0.06);
}

/* Primary button: charcoal on light bg */
[data-theme="light"] .btn-primary {
  background: #1c1917;
  color: #faf9f7;
  border-color: #1c1917;
}
[data-theme="light"] .btn-primary:hover {
  background: #2e2b28;
  border-color: #2e2b28;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

/* Ghost button on light */
[data-theme="light"] .btn-ghost {
  border-color: rgba(0,0,0,0.14);
  color: var(--text-2);
}
[data-theme="light"] .btn-ghost:hover {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.20);
  color: var(--text);
}

/* Nav avatar */
[data-theme="light"] .nav-avatar-btn {
  background: rgba(0,0,0,0.07);
  border-color: rgba(0,0,0,0.12);
}
[data-theme="light"] .nav-avatar-btn:hover {
  background: rgba(0,0,0,0.12);
  border-color: rgba(0,0,0,0.20);
}

/* Hero badge */
[data-theme="light"] .hero-badge {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.11);
  color: var(--text-3);
}

/* Feature cards */
[data-theme="light"] .feature-card {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
[data-theme="light"] .feature-card:hover {
  background: #ffffff;
  border-color: rgba(0,0,0,0.14);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* Mode cards (lobby) */
[data-theme="light"] .mode-card {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
[data-theme="light"] .mode-card:hover {
  background: #ffffff;
  border-color: rgba(0,0,0,0.16);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
[data-theme="light"] .mode-card.selected {
  border-color: rgba(28,25,23,0.5);
  background: rgba(255,255,255,0.95);
}

/* Stat boxes */
[data-theme="light"] .stat-box {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Player card */
[data-theme="light"] .player-card {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
[data-theme="light"] .player-avatar {
  background: var(--bg-2);
  border-color: rgba(0,0,0,0.10);
}

/* Player timer */
[data-theme="light"] .player-timer {
  background: rgba(255,255,255,0.70);
  border-color: rgba(0,0,0,0.10);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Move list */
[data-theme="light"] .move-num {
  background: rgba(0,0,0,0.02);
}

/* LB rank silver */
[data-theme="light"] .lb-rank.r2 {
  background: rgba(0,0,0,0.13);
  color: var(--text);
}

/* LB table row hover */
[data-theme="light"] .lb-table tr:hover td {
  background: rgba(0,0,0,0.04);
}
[data-theme="light"] .lb-table td {
  border-color: rgba(0,0,0,0.05);
}

/* Skin cards */
[data-theme="light"] .skin-card {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
[data-theme="light"] .skin-card:hover {
  background: #ffffff;
  border-color: rgba(0,0,0,0.16);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

/* Modal & auth card */
[data-theme="light"] .modal,
[data-theme="light"] .auth-card {
  box-shadow: 0 8px 40px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08);
}
[data-theme="light"] .modal-overlay {
  background: rgba(28,25,23,0.5);
}

/* Toast */
[data-theme="light"] .toast {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  border-color: rgba(0,0,0,0.10);
}

/* Section header line */
[data-theme="light"] .section-header .line {
  background: rgba(0,0,0,0.09);
}

/* Coins display on light */
[data-theme="light"] .coins-display {
  background: rgba(240,180,41,0.10);
  border-color: rgba(240,180,41,0.25);
}

/* Nav user dropdown shadow */
[data-theme="light"] .nav-user-dropdown {
  box-shadow: 0 4px 24px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08);
}

/* Game over card */
[data-theme="light"] .game-over-card {
  box-shadow: 0 8px 40px rgba(0,0,0,0.14);
}

/* Analysis cards */
[data-theme="light"] .analysis-card {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .analysis-card.blunder {
  background: rgba(239,68,68,0.06);
}
[data-theme="light"] .analysis-card.mistake {
  background: rgba(240,180,41,0.06);
}
[data-theme="light"] .analysis-card.inaccuracy {
  background: rgba(96,165,250,0.06);
}

/* Pro banner */
[data-theme="light"] .pro-banner {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Scrollbar */
[data-theme="light"]::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); }

/* Chat input */
[data-theme="light"] .chat-input-row input {
  background: rgba(255,255,255,0.70);
  border-color: rgba(0,0,0,0.10);
}

/* Auth field input */
[data-theme="light"] .auth-field input,
[data-theme="light"] .form-group input,
[data-theme="light"] .auth-select {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.12);
}

/* Theme picker dropdown shadow */
[data-theme="light"] .theme-picker-dropdown {
  box-shadow: 0 4px 24px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08);
}

/* ── Board fullscreen overlay ───────────────── */
#board-fs-overlay {
  position: fixed; inset: 0; z-index: 180;
  background: #000;
  display: none;
}
#board-fs-overlay.open { display: block; }

#fs-board-slot {
  position: absolute; inset: 0;
}
#fs-board-slot > * {
  width: 100% !important;
  height: 100% !important;
  aspect-ratio: unset !important;
}

/* Player nameplates */
.fs-nameplate {
  position: absolute;
  left: 20px;
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  padding: 8px 14px 8px 10px;
  z-index: 10;
}
.fs-np-top    { top: 20px; }
.fs-np-bottom { bottom: 20px; }

.fs-np-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface-hov);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff;
  flex-shrink: 0; overflow: hidden;
}
.fs-np-avatar img { width: 100%; height: 100%; object-fit: cover; }

.fs-np-info {
  display: flex; flex-direction: column; gap: 2px;
}
.fs-np-name {
  font-size: 13px; font-weight: 600; color: #fff;
  letter-spacing: -0.01em;
}
.fs-np-timer {
  font-size: 16px; font-weight: 800;
  color: rgba(255,255,255,0.85);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.fs-np-timer.active { color: #4ade80; }
.fs-np-timer.low    { color: #f87171; }

/* Top-right logo + exit button row */
.fs-top-right {
  position: absolute; top: 16px; right: 16px;
  display: flex; align-items: center; gap: 12px;
  z-index: 10;
}

/* Top-center logo inside fullscreen 3D overlay */
.fs-top-center-logo {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: 100%;
  display: flex;
  justify-content: center;
  pointer-events: none;
  user-select: none;
}
.fs-logo {
  font-family: 'Playfair Display', serif;
  font-weight: 700; font-size: 20px;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.85);
  pointer-events: none;
  user-select: none;
}
.fs-logo-lg{
  font-size: 28px;
  letter-spacing: -0.015em;
  color: rgba(255,255,255,0.78);
  text-shadow: 0 8px 24px rgba(0,0,0,0.55);
}
[data-theme="light"] .fs-logo-lg{
  color: rgba(0,0,0,0.70);
  text-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* Exit button */
.fs-exit-btn {
  width: 40px; height: 40px; border-radius: 0;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: rgba(255,255,255,0.7);
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.fs-exit-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* 3D fullscreen hint near expand button */
.fs-hint-3d{
  padding: 7px 9px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  max-width: 190px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 220ms cubic-bezier(.22,.68,0,1.2);
  pointer-events: none;
  position: relative;
}
.fs-hint-title{
  font-size: 12px;
  font-weight: 800;
  color: rgba(255,255,255,0.92);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.fs-hint-sub{
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  line-height: 1.35;
}
.fs-hint-3d.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* triangle pointer towards the fullscreen button */
.fs-hint-3d::before{
  content: "";
  position: absolute;
  left: -7px;
  top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-right: 7px solid rgba(255,255,255,0.12);
}
.fs-hint-3d::after{
  content: "";
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-right: 6px solid rgba(255,255,255,0.06);
}
[data-theme="light"] .fs-hint-3d::before{
  border-right-color: rgba(0,0,0,0.10);
}
[data-theme="light"] .fs-hint-3d::after{
  border-right-color: rgba(0,0,0,0.04);
}
[data-theme="light"] .fs-hint-3d{
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.10);
}
[data-theme="light"] .fs-hint-title{
  color: rgba(0,0,0,0.78);
}
[data-theme="light"] .fs-hint-sub{
  color: rgba(0,0,0,0.52);
}

[data-theme="light"] .fs-logo {
  color: rgba(0,0,0,0.75);
}
[data-theme="light"] .fs-exit-btn {
  background: rgba(0,0,0,0.08);
  border-color: rgba(0,0,0,0.12);
  color: rgba(0,0,0,0.65);
}
[data-theme="light"] .fs-exit-btn:hover {
  background: rgba(0,0,0,0.14);
  color: rgba(0,0,0,0.9);
}

/* Chat push notifications */
#chat-push-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 190;
  display: flex; flex-direction: column-reverse; gap: 10px;
  pointer-events: none;
}
.chat-push {
  display: flex; align-items: flex-start; gap: 10px;
  background: rgba(15,15,15,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  padding: 10px 14px;
  max-width: 260px;
  pointer-events: all;
  animation: chatPushIn 0.3s cubic-bezier(.22,.68,0,1.2) both;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.chat-push-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.chat-push-body { flex: 1; min-width: 0; }
.chat-push-from {
  font-size: 11px; font-weight: 700;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: 2px;
}
.chat-push-text {
  font-size: 13px; color: #fff;
  line-height: 1.4;
  word-break: break-word;
}
@keyframes chatPushIn {
  from { opacity: 0; transform: translateX(24px) scale(0.95); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes chatPushOut {
  to   { opacity: 0; transform: translateX(24px) scale(0.95); }
}
.chat-push.out { animation: chatPushOut 0.25s ease forwards; }

/* ── Reconnecting overlay ───────────────────── */
#reconnect-overlay {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
#reconnect-overlay.visible {
  opacity: 1; pointer-events: all;
}
#reconnect-label {
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.02em;
  position: absolute; bottom: 48px; left: 0; right: 0;
  text-align: center;
}

/* ── Reset ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: dark; }
[data-theme="light"] { color-scheme: light; }

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

/* Dot grid background — from 21st.dev Hero 03 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
  transition: background-image 0.3s;
}

/* Subtle radial vignette over grid */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 90% 70% at 50% 0%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
  z-index: 0;
}

/* ── Surface / Card ─────────────────────────── */
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.glass:hover { border-color: var(--border-hov); }

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 0;
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: all var(--t);
  text-decoration: none; white-space: nowrap; letter-spacing: -0.01em;
}

/* White button on black — main CTA */
.btn-primary {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}
.btn-primary:hover {
  background: rgba(255,255,255,0.88);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.12);
}

/* Ghost — outlined */
.btn-ghost {
  background: transparent;
  border-color: var(--border-hov);
  color: var(--text-2);
}
.btn-ghost:hover { background: var(--surface-hov); border-color: var(--border-hov); color: var(--text); }

.btn-danger { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.35); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-gold { background: rgba(240,180,41,0.1); border-color: rgba(240,180,41,0.35); color: var(--gold); }
.btn-gold:hover { background: rgba(240,180,41,0.18); }

.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-icon { width: 38px; height: 38px; padding: 0; justify-content: center; border-radius: 0; }
.btn:disabled { opacity: 0.38; cursor: not-allowed; transform: none !important; }

/* ── Navigation ─────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 24px; height: 60px;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-wrap: wrap;
  border-radius: 0;
  transition: top 0.4s cubic-bezier(.4,0,.2,1),
              left 0.4s cubic-bezier(.4,0,.2,1),
              right 0.4s cubic-bezier(.4,0,.2,1),
              border-radius 0.4s cubic-bezier(.4,0,.2,1),
              padding 0.4s cubic-bezier(.4,0,.2,1),
              height 0.4s cubic-bezier(.4,0,.2,1),
              background 0.3s, border-color 0.3s;
}

nav.nav-scrolled {
  top: 12px;
  left: 40px;
  right: 40px;
  border-radius: 14px;
  height: 52px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-hov);
  box-shadow: 0 8px 32px rgba(0,0,0,0.28);
}

/* Left cluster */
.nav-left { display: flex; align-items: center; gap: 6px; justify-self: start; }

.nav-logo {
  display: flex; align-items: center;
  color: var(--text); text-decoration: none;
  margin-right: 8px;
}

.nav-links {
  display: flex; align-items: center; gap: 2px;
  justify-self: center;
}
.nav-links a {
  padding: 6px 11px; border-radius: 0; font-size: 13.5px; font-weight: 500;
  color: var(--text-3); text-decoration: none; transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--text); background: var(--hover-overlay); }
.nav-links a.active { color: var(--text); background: var(--active-overlay); }

/* Right cluster */
.nav-right { display: flex; align-items: center; gap: 6px; justify-self: end; }
.nav-auth-btns { display: flex; align-items: center; gap: 6px; }

/* Icon button */
.nav-icon-btn {
  width: 34px; height: 34px; border-radius: 0;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; cursor: pointer;
  color: var(--text-3); transition: color .15s, background .15s;
}
.nav-icon-btn:hover { color: var(--text); background: var(--hover-overlay); }

/* User area */
.nav-user-area { display: flex; align-items: center; gap: 8px; position: relative; }

.nav-avatar-btn {
  width: 34px; height: 34px; border-radius: 0;
  background: var(--surface-hov); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color .15s, background .15s;
  font-size: 13px; font-weight: 700; color: var(--text);
  border-radius: 50%;
  overflow: hidden; /* clip avatar to a real circle */
}
.nav-avatar-btn:hover { background: var(--active-overlay); border-color: var(--border-hov); }

.nav-avatar-btn img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

/* Dropdown */
.nav-user-dropdown {
  position: absolute; top: calc(100% + 10px); right: 0;
  min-width: 180px; background: var(--drop-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: opacity .15s, transform .15s;
  z-index: 200;
}
.nav-user-dropdown.open { opacity: 1; pointer-events: all; transform: translateY(0); }

.nav-dropdown-header { padding: 8px 10px 10px; }
.nav-dropdown-name { font-size: 14px; font-weight: 700; color: var(--text); }
.nav-dropdown-rating { font-size: 12px; color: var(--text-3); margin-top: 1px; }
.nav-dropdown-sep { height: 1px; background: var(--border); margin: 4px 0; }
.nav-dropdown-item {
  width: 100%; display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 0; border: none;
  background: transparent; color: var(--text-2); font-size: 13.5px;
  cursor: pointer; text-align: left; transition: background .12s, color .12s;
}
.nav-dropdown-item:hover { background: var(--surface-hov); color: var(--text); }
.nav-dropdown-item svg { flex-shrink: 0; color: var(--text-3); }
.nav-dropdown-logout { color: var(--red, #ef4444); }
.nav-dropdown-logout:hover { background: rgba(239,68,68,.1); color: #ef4444; }
.nav-dropdown-logout svg { color: #ef4444; }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 4px; justify-content: center;
  width: 34px; height: 34px; background: transparent; border: none; cursor: pointer;
  border-radius: 0; padding: 6px; transition: background .15s;
}
.nav-hamburger:hover { background: var(--hover-overlay); }
.nav-hamburger span {
  display: block; height: 1.5px; background: var(--text-3);
  border-radius: 2px; transition: all .25s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile-menu {
  grid-column: 1 / -1;
  width: 100%; border-top: 1px solid var(--border);
  padding: 8px 0; background: var(--nav-mob-bg);
  display: flex; flex-direction: column;
}
.nav-mobile-menu a {
  padding: 10px 16px; font-size: 14px; font-weight: 500;
  color: var(--text-3); text-decoration: none; border-radius: 6px;
  transition: color .15s, background .15s; margin: 1px 8px;
}
.nav-mobile-menu a:hover { color: var(--text); background: var(--hover-overlay); }
.nav-mobile-menu a.active { color: var(--text); background: var(--active-overlay); }

@media (max-width: 680px) {
  nav {
    grid-template-columns: auto 1fr; /* logo flush-left | actions flush-right */
    padding: 0 14px;
  }
  .nav-hamburger { display: flex; }
  .nav-links { display: none; }
  .nav-left { justify-self: start; gap: 0; }
  .nav-right { justify-self: end; }
  .nav-logo { margin-right: 0; }
  #nav-play-btn { display: flex; }
}

/* ── Hero ───────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 80px 24px 60px;
  position: relative; z-index: 1;
}
.hero-content { max-width: 620px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 4px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 12px; font-weight: 600; color: var(--text-3);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 28px;
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 8px var(--green); flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 900;
  line-height: 1.0; margin-bottom: 22px;
  letter-spacing: -0.05em; color: var(--text);
}
.hero h1 em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--hero-stroke);
}

/* ── Hero Word Ticker ───────────────────────── */
.hero-ticker-wrap {
  margin-bottom: 28px;
  user-select: none;
}
.hero-ticker-window {
  overflow: hidden;
  height: clamp(3.4rem, 7vw, 5.6rem);
  line-height: 1;
}
.hero-ticker-track {
  display: flex;
  flex-direction: column;
  transition: transform .55s cubic-bezier(.77,0,.18,1);
  will-change: transform;
}
.hero-ticker-track > span {
  display: block;
  height: clamp(3.4rem, 7vw, 5.6rem);
  line-height: clamp(3.4rem, 7vw, 5.6rem);
  font-size: clamp(3rem, 6.5vw, 5.2rem);
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}
.hero-ticker-line {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0;
  color: var(--text-2);
  white-space: nowrap;
  line-height: 1.4;
  margin-top: 12px;
}
@media (max-width: 640px) {
  .hero-ticker-window { height: 3.2rem; }
  .hero-ticker-track > span { height: 3.2rem; line-height: 3.2rem; }
}

.hero p {
  font-family: 'Raleway', 'Montserrat', sans-serif;
  font-size: 17px; color: var(--text-3); margin-bottom: 40px;
  max-width: 480px; line-height: 1.7;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Text blur-in animation ─────────────────────────────── */
@keyframes charBlurIn {
  from { opacity: 0; filter: blur(12px); transform: translateY(4px); }
  to   { opacity: 1; filter: blur(0px);  transform: translateY(0);   }
}
.text-blur-char {
  display: inline-block;
  white-space: pre;
  opacity: 0;
  animation: charBlurIn 0.5s ease forwards;
}

/* Decorative line — from 21st.dev */
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hov), transparent);
}

/* ── Hero flickering grid ───────────────────────────────────── */
#hero-flicker-wrap {
  position: absolute; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
#hero-flicker-bg-canvas {
  position: absolute; inset: 0; display: block;
  /* Radial vignette: grid visible in center, fades at edges */
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, white 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, white 40%, transparent 100%);
}
/* Standalone flickering piece canvases in the right hero column */
#hero-piece-knight-cv {
  -webkit-mask-image: url('/svg/knight.svg');
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: top center;
  mask-image: url('/svg/knight.svg');
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: top center;
}
#hero-piece-queen-cv {
  -webkit-mask-image: url('/svg/queen.svg');
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: top center;
  mask-image: url('/svg/queen.svg');
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: top center;
}
@media (max-width: 768px) {
  #hero-pieces-wrap { display: none !important; }
}

/* Feature cards on hero */
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px;
  margin-top: 64px;
}
.feature-card {
  padding: 20px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: all var(--t);
}
.feature-card:hover { border-color: var(--border-hov); background: var(--surface-hov); }
.feature-card .icon-box {
  width: 44px; height: 44px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.feature-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.02em; }
.feature-card p { font-size: 13px; color: var(--text-3); line-height: 1.55; }

/* ── Modal ──────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.8); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center; padding: 16px;
  opacity: 0; pointer-events: none; transition: opacity var(--t);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; width: 100%; max-width: 420px;
  transform: translateY(12px) scale(0.98); transition: transform 0.22s ease, opacity 0.22s ease;
  position: relative;
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal h2 { font-size: 22px; font-weight: 800; margin-bottom: 6px; letter-spacing: -0.04em; }
.modal-close { position: absolute; top: 16px; right: 16px; }
.modal-sub { font-size: 14px; color: var(--text-3); margin-bottom: 24px; }

/* ── Forms ──────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-3); margin-bottom: 6px; letter-spacing: 0.04em; text-transform: uppercase; }
.form-group input, .form-group textarea {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 14px; transition: border-color var(--t);
  outline: none; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.form-group input::placeholder { color: var(--text-4); }
/* Select inside form-group uses the shared select-wrap pattern */
.form-group .select-wrap { position: relative; width: 100%; }

/* ── Auth Card (login / signup redesign) ───── */
.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%; max-width: 420px;
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.22s ease;
  box-shadow: 0 8px 40px rgba(0,0,0,0.45);
}
.modal-overlay.active .auth-card { transform: translateY(0) scale(1); }

.auth-card-header {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: 32px 32px 24px;
  gap: 6px;
}
.auth-card-title {
  font-size: 22px; font-weight: 700;
  letter-spacing: -0.03em; color: var(--text);
  margin: 0;
}
.auth-card-sub {
  font-size: 14px; color: var(--text-3); margin: 0;
}
.auth-card-body {
  padding: 0 32px 28px;
  display: flex; flex-direction: column; gap: 16px;
}
.auth-card-footer {
  border-top: 1px solid var(--border);
  padding: 16px 32px;
  text-align: center;
}
.auth-card-footer p { margin: 0; font-size: 14px; color: var(--text-3); }
.auth-card-footer a { color: var(--text); font-weight: 600; text-decoration: none; }
.auth-card-footer a:hover { text-decoration: underline; }

.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-field label {
  font-size: 14px; font-weight: 500;
  color: var(--text); letter-spacing: 0;
}
.auth-field input {
  width: 100%; padding: 9px 13px;
  border-radius: 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 14px;
  outline: none; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  box-sizing: border-box;
}
.auth-field input:focus {
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.auth-field input::placeholder { color: var(--text-4); }

.auth-pw-wrap { position: relative; }
.auth-pw-wrap input { width: 100%; padding-right: 38px; }
.auth-pw-toggle {
  position: absolute; right: 0; top: 0; height: 100%;
  width: 36px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; cursor: pointer;
  color: var(--text-3); transition: color .15s;
}
.auth-pw-toggle:hover { color: var(--text); }

/* ── Shared select wrapper (shadcn-style) ── */
.auth-select-wrap, .select-wrap {
  position: relative;
  display: inline-flex;
  width: 100%;
}
.auth-select {
  width: 100%;
  height: 34px; /* md: h-8.5 */
  padding: 0 36px 0 12px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  appearance: none; -webkit-appearance: none;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
  line-height: 1;
}
.auth-select:focus-visible {
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.auth-select:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
.auth-select option { background: var(--select-opt-bg); color: var(--text); }
.auth-select-arrow, .select-arrow {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  pointer-events: none; color: var(--text-3);
  width: 16px; height: 16px;
  opacity: 0.6;
}

.auth-card-close {
  position: absolute; top: 14px; right: 14px;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; cursor: pointer;
  color: var(--text-3); border-radius: 6px;
  transition: color .15s, background .15s;
}
.auth-card-close:hover { color: var(--text); background: var(--surface); }

/* ── Chess Board ────────────────────────────── */
#board-wrap { position: relative; user-select: none; }

/* 10×10 grid: corner + 8 files + corner, for each of 10 rows */
#chess-board {
  display: grid;
  grid-template-columns: 22px repeat(8, 1fr) 22px;
  grid-template-rows:    22px repeat(8, 1fr) 22px;
  width: 100%;
  aspect-ratio: 1;
  background: var(--sq-frame);
  border-radius: 5px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.4),
    0 20px 60px rgba(0,0,0,0.7),
    0 6px 20px rgba(0,0,0,0.5);
}

/* Frame corner cells */
.board-corner {
  background: var(--sq-frame);
}

/* Coordinate label cells */
.board-coord {
  background: var(--sq-frame);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  color: rgba(255,255,255,0.75);
  font-family: 'Montserrat', sans-serif;
  letter-spacing: 0.02em;
  user-select: none;
}

/* Squares */
.square {
  position: relative; display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.square.light { background: var(--sq-light); }
.square.dark  { background: var(--sq-dark); }

/* Selected square */
.square.selected.light { background: var(--sq-sel-lt) !important; }
.square.selected.dark  { background: var(--sq-sel-dk) !important; }

/* Last move highlight */
.square.last-move.light { background: var(--sq-last-lt) !important; }
.square.last-move.dark  { background: var(--sq-last-dk) !important; }

/* Check — king in danger */
.square.check {
  background: radial-gradient(ellipse at center,
    rgba(255,20,20,0.9) 0%, rgba(200,0,0,0.65) 55%, transparent 100%) !important;
}

/* Legal move dot */
.square.legal-move::after {
  content: ''; position: absolute;
  width: 32%; height: 32%; border-radius: 50%;
  background: rgba(0,0,0,0.22);
  pointer-events: none; z-index: 2;
}
.square.dark.legal-move::after { background: rgba(0,0,0,0.28); }

/* Legal capture ring */
.square.legal-capture::after {
  content: ''; position: absolute; inset: 0;
  box-shadow: inset 0 0 0 5px rgba(0,0,0,0.24);
  pointer-events: none; z-index: 2;
}

/* Piece */
.piece {
  width: 68%; height: 68%;
  cursor: grab; z-index: 3; position: relative;
  transition: transform 0.08s ease;
  filter:
    drop-shadow(0 2px 4px rgba(0,0,0,0.5))
    drop-shadow(0 1px 1px rgba(0,0,0,0.7));
}
.piece:hover  { transform: scale(1.08); }
.piece:active { cursor: grabbing; transform: scale(1.1); }

/* ── Skin: Neon ─────────────────────────────── */
#chess-board.skin-neon .square.light { background: #0e1f38; }
#chess-board.skin-neon .square.dark  { background: #050e1c; }
#chess-board.skin-neon .square.selected.light { background: rgba(0,255,255,0.22) !important; }
#chess-board.skin-neon .square.selected.dark  { background: rgba(0,255,255,0.38) !important; }
#chess-board.skin-neon .square.last-move.light { background: rgba(0,255,255,0.12) !important; }
#chess-board.skin-neon .square.last-move.dark  { background: rgba(0,255,255,0.22) !important; }
#chess-board.skin-neon .square.legal-move::after { background: rgba(0,255,255,0.35); }
#chess-board.skin-neon { box-shadow: 0 0 0 2px rgba(0,255,255,0.15), 0 0 40px rgba(0,255,255,0.08); }
/* Neon piece — remove default shadow so glow filter shines clean */
#chess-board.skin-neon .piece { filter: none !important; }

/* ── Skin: Marble ────────────────────────────── */
#chess-board.skin-marble .square.light { background: #e8d8c4; }
#chess-board.skin-marble .square.dark  { background: #8b5e3c; }
#chess-board.skin-marble .square.selected.light { background: rgba(240,180,41,0.4) !important; }
#chess-board.skin-marble .square.selected.dark  { background: rgba(200,130,20,0.55) !important; }
#chess-board.skin-marble .square.last-move.light { background: rgba(240,180,41,0.25) !important; }
#chess-board.skin-marble .square.last-move.dark  { background: rgba(200,130,20,0.35) !important; }
#chess-board.skin-marble .square.legal-move::after { background: rgba(0,0,0,0.22); }

/* ── Skin: Pixel ─────────────────────────────── */
#chess-board.skin-pixel .square.light { background: #2a3d1c; }
#chess-board.skin-pixel .square.dark  { background: #162210; }
#chess-board.skin-pixel .square.selected.light { background: #4caf50 !important; }
#chess-board.skin-pixel .square.selected.dark  { background: #388e3c !important; }
#chess-board.skin-pixel .square.last-move.light { background: #33691e !important; }
#chess-board.skin-pixel .square.last-move.dark  { background: #1b5e20 !important; }
#chess-board.skin-pixel .square.legal-move::after { background: rgba(76,175,80,0.5); }
#chess-board.skin-pixel .piece { filter: none !important; }
#chess-board.skin-pixel { image-rendering: pixelated; }

/* ── Skin: Medieval ──────────────────────────── */
#chess-board.skin-medieval .square.light { background: #d4a453; }
#chess-board.skin-medieval .square.dark  { background: #6b3a1e; }
#chess-board.skin-medieval .square.selected.light { background: rgba(255,220,80,0.65) !important; }
#chess-board.skin-medieval .square.selected.dark  { background: rgba(200,120,20,0.6) !important; }
#chess-board.skin-medieval .square.last-move.light { background: rgba(255,200,60,0.4) !important; }
#chess-board.skin-medieval .square.last-move.dark  { background: rgba(180,100,10,0.45) !important; }
#chess-board.skin-medieval .square.legal-move::after { background: rgba(0,0,0,0.25); }

/* ── Skin: BigTech ───────────────────────────── */
#chess-board.skin-bigtech .square.light { background: #1e2d3d; }
#chess-board.skin-bigtech .square.dark  { background: #0f1a27; }
#chess-board.skin-bigtech .square.selected.light { background: rgba(56,189,248,0.28) !important; }
#chess-board.skin-bigtech .square.selected.dark  { background: rgba(56,189,248,0.45) !important; }
#chess-board.skin-bigtech .square.last-move.light { background: rgba(56,189,248,0.15) !important; }
#chess-board.skin-bigtech .square.last-move.dark  { background: rgba(56,189,248,0.25) !important; }
#chess-board.skin-bigtech .square.legal-move::after { background: rgba(56,189,248,0.4); }
#chess-board.skin-bigtech .piece {
  filter: drop-shadow(0 2px 6px rgba(56,189,248,0.4)) drop-shadow(0 1px 2px rgba(0,0,0,0.8)) !important;
}

/* ── Player Card ────────────────────────────── */
.player-card {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
}
.player-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg-3); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; flex-shrink: 0; overflow: hidden;
  color: var(--text-2);
}
.player-avatar img { width: 100%; height: 100%; object-fit: cover; }
.player-info { flex: 1; min-width: 0; }
.player-name { font-weight: 700; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: -0.02em; }
.player-rating { font-size: 12px; color: var(--text-3); display: flex; align-items: center; gap: 3px; margin-top: 1px; }
.player-timer {
  font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 19px; font-weight: 700;
  padding: 6px 12px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
  min-width: 76px; text-align: center; transition: all var(--t);
  letter-spacing: 0.02em;
}
.player-timer.active {
  border-color: var(--focus-border);
  color: var(--text);
  background: var(--hover-overlay);
}
.player-timer.low { border-color: rgba(239,68,68,0.5); color: var(--red); background: rgba(239,68,68,0.08); }

/* ── Move list ──────────────────────────────── */
.move-list {
  height: 260px; overflow-y: auto; padding: 4px;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.move-row {
  display: grid; grid-template-columns: 28px 1fr 1fr; gap: 2px;
  margin-bottom: 1px; border-radius: 4px; overflow: hidden;
}
.move-row:hover .move-cell { background: var(--surface-hov); }
.move-num {
  padding: 5px 4px; font-size: 11px; color: var(--text-4);
  text-align: right; background: rgba(255,255,255,0.02);
  display: flex; align-items: center; justify-content: flex-end;
  font-variant-numeric: tabular-nums;
}
.move-cell {
  padding: 5px 8px; font-size: 13px; cursor: pointer;
  border-radius: 3px; transition: background var(--t);
  font-variant-numeric: tabular-nums;
}
.move-cell:hover { background: var(--surface-hov); }
.move-cell.active { background: var(--active-overlay); color: var(--text); font-weight: 700; }
.move-cell.blunder { color: var(--red); }
.move-cell.mistake  { color: var(--gold); }
.move-cell.inaccuracy { color: var(--blue); }

/* ── Chat ───────────────────────────────────── */
.chat-messages {
  height: 140px; overflow-y: auto; padding: 8px;
  display: flex; flex-direction: column; gap: 6px;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.chat-msg { font-size: 13px; }
.chat-msg .author { font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.chat-msg .text { color: var(--text-3); }
.chat-input-row { display: flex; gap: 8px; padding: 8px; }
.chat-input-row input {
  flex: 1; padding: 8px 12px; border-radius: 6px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); font-size: 13px; outline: none; font-family: inherit;
}
.chat-input-row input:focus { border-color: var(--focus-border); }
.chat-input-row input::placeholder { color: var(--text-4); }

/* ── Game Over Overlay ──────────────────────── */
#game-over-overlay {
  position: absolute; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.85); border-radius: 8px;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
#game-over-overlay.show { opacity: 1; pointer-events: all; }
.game-over-card {
  text-align: center; padding: 36px; border-radius: 16px;
  background: var(--card-bg); border: 1px solid var(--border);
  max-width: 300px; width: 90%;
}
.game-over-icon { font-size: 0; margin-bottom: 16px; color: var(--text); }
.game-over-title { font-size: 28px; font-weight: 900; margin-bottom: 6px; letter-spacing: -0.04em; }
.game-over-sub { color: var(--text-3); margin-bottom: 28px; font-size: 14px; }

/* ── View Switch (2D / 3D) ──────────────────── */
.view-switch {
  display: inline-flex; align-items: center;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 3px; gap: 2px;
  margin-bottom: 10px;
}
.view-switch-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 0; border: none; outline: none;
  background: transparent; color: var(--text-3);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
  letter-spacing: 0.02em;
}
.view-switch-btn:hover { color: var(--text); background: var(--hover-overlay); }
.view-switch-btn.active {
  background: var(--bg-3); color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
}
[data-theme="light"] .view-switch { background: #f3f1ed; border-color: rgba(0,0,0,0.10); }
[data-theme="light"] .view-switch-btn.active {
  background: #ffffff; color: #1c1917;
  box-shadow: 0 1px 6px rgba(0,0,0,0.12);
}

#btn-expand-3d {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-3);
  border-radius: 0;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
#btn-expand-3d:hover {
  background: var(--bg-3);
  color: var(--text);
  border-color: var(--border-hov);
}

/* ── Leaderboard ────────────────────────────── */
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table th {
  padding: 10px 16px; font-size: 11px; font-weight: 700;
  color: var(--text-4); text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border); text-align: left;
}
.lb-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.lb-table tr:hover td { background: var(--surface); }
.lb-rank {
  width: 34px; height: 34px; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; letter-spacing: -0.02em;
}
.lb-rank.r1 { background: var(--gold); color: #000; }
.lb-rank.r2 { background: rgba(255,255,255,0.15); color: #fff; }
.lb-rank.r3 { background: rgba(205,127,50,0.6); color: #fff; }
.lb-rank.other { background: var(--surface); color: var(--text-3); }
[data-theme="light"] .lb-rank.r2 { background: rgba(0,0,0,0.13); color: var(--text); }
[data-theme="light"] .lb-rank.r3 { background: rgba(180,100,30,0.55); color: #fff; }
.rating-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 4px; font-size: 12px; font-weight: 700;
  letter-spacing: -0.01em;
}
.rating-badge.master   { background: rgba(255,255,255,0.1); color: #fff; }
.rating-badge.expert   { background: rgba(255,255,255,0.07); color: var(--text-2); }
.rating-badge.advanced { background: rgba(128,128,128,0.1); color: var(--text-2); }
.rating-badge.beginner { background: rgba(255,255,255,0.04); color: var(--text-3); }
[data-theme="light"] .rating-badge.master   { background: rgba(0,0,0,0.09); color: var(--text); }
[data-theme="light"] .rating-badge.expert   { background: rgba(0,0,0,0.06); color: var(--text-2); }
[data-theme="light"] .rating-badge.beginner { background: rgba(0,0,0,0.04); color: var(--text-3); }

/* ── Toast ──────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 500;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  padding: 12px 18px; border-radius: 8px; font-size: 14px;
  background: var(--toast-bg); border: 1px solid var(--border);
  color: var(--text-2);
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
  animation: toastIn 0.25s ease;
  display: flex; align-items: center; gap: 10px;
  max-width: 320px; font-weight: 500;
}
.toast.success { border-color: rgba(34,197,94,0.35); color: var(--green); }
.toast.error   { border-color: rgba(239,68,68,0.35); color: var(--red); }
.toast.info    { border-color: var(--border-hov); color: var(--text-2); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Lobby / Mode cards ─────────────────────── */
.lobby-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.mode-card {
  padding: 24px; border-radius: var(--radius); cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  transition: all var(--t); text-align: center;
}
.mode-card:hover { border-color: var(--border-hov); background: var(--surface-hov); transform: translateY(-2px); }
.mode-card.selected { border-color: rgba(255,255,255,0.45); background: rgba(255,255,255,0.07); }
.mode-card .icon { margin-bottom: 14px; color: var(--text-2); display: flex; justify-content: center; }
.mode-card h3 { font-size: 16px; font-weight: 800; margin-bottom: 6px; letter-spacing: -0.03em; }
.mode-card p { font-size: 13px; color: var(--text-3); }

/* ── Store / Skins ──────────────────────────── */
.skins-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.skin-card {
  padding: 20px; border-radius: var(--radius); text-align: center;
  background: var(--surface); border: 1px solid var(--border);
  transition: all var(--t); cursor: pointer;
}
.skin-card:hover { border-color: var(--border-hov); transform: translateY(-2px); }
.skin-card.owned  { border-color: rgba(34,197,94,0.35); }
.skin-card.active-skin { border-color: var(--gold); background: rgba(240,180,41,0.05); }
.skin-preview { margin-bottom: 14px; color: var(--text-2); display: flex; justify-content: center; align-items: center; height: 48px; }
.skin-name { font-weight: 800; margin-bottom: 6px; font-size: 14px; letter-spacing: -0.02em; }
.skin-price { font-size: 13px; color: var(--gold); display: flex; align-items: center; justify-content: center; gap: 4px; }

/* ── Analysis ───────────────────────────────── */
.analysis-card {
  padding: 14px 16px; border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background: var(--surface); border: 1px solid var(--border);
}
.analysis-card.blunder    { border-color: rgba(239,68,68,0.4);  background: rgba(239,68,68,0.05); }
.analysis-card.mistake    { border-color: rgba(240,180,41,0.4); background: rgba(240,180,41,0.04); }
.analysis-card.inaccuracy { border-color: rgba(96,165,250,0.4); background: rgba(96,165,250,0.04); }
.eval-bar { height: 4px; border-radius: 2px; margin-top: 8px; background: var(--border); }
.eval-bar-fill { height: 100%; border-radius: 2px; transition: width 0.5s; }

/* ── Profile Stats ──────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat-box {
  padding: 18px 16px; border-radius: var(--radius-sm); text-align: center;
  background: var(--surface); border: 1px solid var(--border);
}
.stat-box .value { font-size: 30px; font-weight: 900; letter-spacing: -0.04em; }
.stat-box .label { font-size: 11px; font-weight: 600; color: var(--text-4); margin-top: 4px; letter-spacing: 0.06em; text-transform: uppercase; }

/* ── Progress bar ───────────────────────────── */
.progress-wrap { background: var(--border); border-radius: 3px; height: 4px; }
.progress-fill { height: 100%; border-radius: 3px; background: var(--progress-bg); transition: width 0.5s; }

/* ── Tabs ───────────────────────────────────── */
.tabs {
  display: flex; gap: 2px; padding: 3px;
  background: var(--surface); border-radius: 8px; border: 1px solid var(--border);
}
.tab-btn {
  padding: 7px 16px; border-radius: 0; font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; background: transparent; color: var(--text-3);
  transition: all var(--t); letter-spacing: -0.01em;
}
.tab-btn.active { background: var(--tab-active-bg); color: var(--tab-active-fg); }

/* ── Waiting / Pulse ────────────────────────── */
.waiting-pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes inviteBounce { 0% { transform: translateY(10px) scale(0.97); opacity:0; } 100% { transform: translateY(0) scale(1); opacity:1; } }
#invite-popup.active .modal { animation: inviteBounce 0.22s ease forwards; }

/* ═══════════════════════════════════════════════════
   FEATURE BENTO — hero section cards
   ═══════════════════════════════════════════════════ */

.feat-bento {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  grid-template-areas:
    "ai mp    coach"
    "ai stake lb   "
    "big big  big  ";
  gap: 14px;
  margin-bottom: 60px;
}

/* Base feature card */
.feat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  opacity: 0;
  transform: translateY(18px);
}
.feat-card.ls-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color var(--t), box-shadow var(--t);
}
.feat-card:hover {
  border-color: var(--border-hov);
  transform: translateY(-3px);
  box-shadow: 0 14px 42px rgba(0,0,0,0.28);
}

/* Grid areas */
.feat-ai    { grid-area: ai; }
.feat-mp    { grid-area: mp; }
.feat-coach { grid-area: coach; }
.feat-stake { grid-area: stake; }
.feat-lb    { grid-area: lb; }
.feat-big   { grid-area: big; }

/* Stake — gold accent */
.feat-stake {
  background: linear-gradient(140deg, rgba(240,180,41,0.07) 0%, var(--surface) 65%);
  border-color: rgba(240,180,41,0.2);
}
.feat-stake:hover { border-color: rgba(240,180,41,0.4); box-shadow: 0 14px 42px rgba(240,180,41,0.1); }

/* BigTech — subtle accent */
.feat-big {
  background: linear-gradient(135deg, rgba(96,165,250,0.05) 0%, var(--surface) 60%);
  border-color: rgba(96,165,250,0.15);
}
.feat-big:hover { border-color: rgba(96,165,250,0.28); }

/* Icon box */
.feat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--text-2);
  flex-shrink: 0;
}
.feat-icon--gold {
  background: rgba(128,128,128,0.1);
  border-color: var(--border);
}

/* Title & desc */
.feat-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 6px;
}
.feat-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
  margin: 0;
}

/* AI level bars */
.feat-ai-levels {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 160px;
  margin-top: auto;
  padding-top: 20px;
}
.feat-ai-bar {
  flex: 1;
  background: var(--border);
  border-radius: 3px;
  min-height: 4px;
  transition: background 0.3s;
}
.feat-ai-bar--active { background: var(--text); }
.feat-ai-bar:hover { background: #ffffff !important; }
.feat-ai-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-4);
  text-transform: uppercase;
}

/* Live dot */
.feat-live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  margin-top: auto;
  padding-top: 16px;
}
.feat-live-dot span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  animation: pulse-neutral 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse-neutral {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(1.4); }
}

/* Stake pills */
.feat-stake-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
}
.feat-stake-pills span {
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(128,128,128,0.1);
  border: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-2);
}

/* Leaderboard rows */
.feat-lb-rows { margin-top: auto; padding-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.feat-lb-row  { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; color: var(--text-2); }
.feat-lb-pos  { width: 22px; height: 22px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; background: var(--surface); border: 1px solid var(--border); }
.feat-lb-pos.r1 { background: rgba(255,255,255,0.1); color: var(--text);  border-color: var(--border); }
.feat-lb-pos.r2 { background: rgba(255,255,255,0.05); color: var(--text-2); }
.feat-lb-pos.r3 { background: rgba(128,128,128,0.08); color: var(--text-3); border-color: var(--border); }

/* BigTech tags */
.feat-big-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.feat-big-tags span {
  padding: 4px 11px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(128,128,128,0.07);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
}

/* Responsive */
@media (max-width: 860px) {
  .feat-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "ai    ai   "
      "mp    coach"
      "stake lb   "
      "big   big  ";
  }
}
@media (max-width: 540px) {
  .feat-bento {
    grid-template-columns: 1fr;
    grid-template-areas: "ai" "mp" "coach" "stake" "lb" "big";
  }
}

/* Light mode */
[data-theme="light"] .feat-card {
  background: rgba(255,255,255,0.85);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
[data-theme="light"] .feat-card:hover {
  background: #ffffff;
  border-color: rgba(0,0,0,0.14);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
[data-theme="light"] .feat-stake {
  background: linear-gradient(140deg, rgba(128,128,128,0.05) 0%, rgba(255,255,255,0.9) 65%);
}
[data-theme="light"] .feat-big {
  background: linear-gradient(135deg, rgba(128,128,128,0.04) 0%, rgba(255,255,255,0.9) 60%);
}
[data-theme="light"] .feat-icon { background: var(--bg-2); border-color: rgba(0,0,0,0.08); }

/* ═══════════════════════════════════════════════════
   LANDING PAGE — Stats · Bento · How It Works
   ═══════════════════════════════════════════════════ */

/* ── Stats bar ──────────────────────────────────── */
.landing-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 0 0 72px;
  flex-wrap: wrap;
}
.ls-item {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 32px 24px;
}
.ls-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}
.ls-num {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.ls-suffix {
  font-size: 26px;
  color: var(--text-3);
  letter-spacing: -0.02em;
}
.ls-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-4);
}

/* ── Bento section ──────────────────────────────── */
.bento-section {
  padding: 0 0 72px;
}
.bento-eyebrow {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-4);
  margin-bottom: 14px;
}
.bento-title {
  font-family: 'Questrial', 'Montserrat', sans-serif;
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text);
  margin: 0 0 12px;
  max-width: 560px;
}
.bento-sub {
  font-size: 15px;
  color: var(--text-3);
  max-width: 480px;
  line-height: 1.65;
  margin: 0;
}

/* ── Bento grid ─────────────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr;
  grid-template-areas:
    "hero ai    stakes"
    "hero coach lb";
  gap: 14px;
}
.bento-hero-card  { grid-area: hero; }
.bento-card-ai    { grid-area: ai; }
.bento-card-gold  { grid-area: stakes; }
.bento-card-coach { grid-area: coach; }
.bento-card-lb    { grid-area: lb; }

/* Base card */
.bento-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  overflow: hidden;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  opacity: 0;
  transform: translateY(22px);
}
.bento-card.ls-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s ease, transform 0.55s ease, border-color var(--t), box-shadow var(--t);
}
.bento-card:hover {
  border-color: var(--border-hov);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.28);
}

/* Hero card — grid-area: hero already handles placement */
.bento-hero-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 460px;
}
.bento-board-wrap {
  flex: 1;
  overflow: hidden;
  border-radius: 20px 20px 0 0;
  background: var(--bg-2);
}
.bento-hero-body {
  padding: 22px 24px 26px;
}

/* Tag */
.bento-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.bento-tag-gold {
  border-color: var(--border);
  color: var(--text-2);
}

/* AI card */
.bento-card-ai {
  display: flex;
  flex-direction: column;
}
.bento-bignum {
  font-size: 68px;
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 2px;
}
.bento-bignum-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 20px;
}
.bento-level-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 52px;
  flex: 1;
}
.blb {
  flex: 1;
  background: var(--border);
  border-radius: 3px;
  transition: background 0.3s, height 0.6s cubic-bezier(0.34,1.56,0.64,1);
  min-height: 4px;
}
.blb-active { background: var(--text); }
.blb:hover { background: rgba(255,255,255,0.9) !important; }
[data-theme="light"] .blb:hover { background: rgba(0,0,0,0.75) !important; }

/* Gold card */
.bento-card-gold {
  background: linear-gradient(140deg, rgba(128,128,128,0.06) 0%, var(--surface) 65%);
  border-color: var(--border);
}
.bento-card-gold:hover {
  border-color: rgba(128,128,128,0.3);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.bento-coin-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(128,128,128,0.06);
  filter: blur(40px);
  pointer-events: none;
}
.bento-coin-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(128,128,128,0.1);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
}

/* Coach card */
.coach-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
}
.coach-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.coach-blunder { background: rgba(128,128,128,0.08); }
.coach-blunder .coach-dot { background: var(--text-3); }
.coach-good    { background: rgba(255,255,255,0.05); }
.coach-good .coach-dot { background: var(--text-2); }
.coach-ok      { background: rgba(128,128,128,0.05); }
.coach-ok .coach-dot { background: var(--text-4); }

.coach-badge {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
}
.coach-badge-blunder { background: rgba(128,128,128,0.15); color: var(--text-2); }
.coach-badge-good    { background: rgba(255,255,255,0.1);  color: var(--text); }
.coach-badge-ok      { background: rgba(128,128,128,0.12); color: var(--text-3); }

/* Mini leaderboard card */
.mini-lb-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.mini-lb-row:last-child { border-bottom: none; }
.mini-lb-rank {
  font-size: 11px;
  font-weight: 800;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  letter-spacing: -0.02em;
}
.mini-lb-rank.r1 { background: rgba(255,255,255,0.1); color: var(--text);  border-color: var(--border); }
.mini-lb-rank.r2 { background: rgba(255,255,255,0.05); color: var(--text-2); }
.mini-lb-rank.r3 { background: rgba(128,128,128,0.08); color: var(--text-3); border-color: var(--border); }
.mini-lb-avatar {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-2);
  flex-shrink: 0;
}
.mini-lb-name  { flex: none; font-size: 13px; font-weight: 600; color: var(--text-2); min-width: 80px; }
.mini-lb-rating { font-size: 13px; font-weight: 700; color: var(--text-3); flex-shrink: 0; }

/* ── How It Works ───────────────────────────────── */
.hiw-section {
  padding: 0 0 72px;
}
.hiw-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: center;
}
.hiw-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 26px;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  opacity: 0;
  transform: translateY(22px);
}
.hiw-step.ls-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s var(--delay, 0s) ease, transform 0.55s var(--delay, 0s) ease, border-color var(--t), box-shadow var(--t);
}
.hiw-step:hover {
  border-color: var(--border-hov);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.22);
}
.hiw-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  color: var(--text-4);
  flex-shrink: 0;
}
.hiw-num {
  font-size: 56px;
  font-weight: 900;
  letter-spacing: -0.06em;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.hiw-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--text-2);
}
.hiw-step h3 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--text);
}
.hiw-step p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.65;
  margin: 0;
}

/* Stat items scroll animation */
.ls-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ls-item.ls-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Light theme overrides ──────────────────────── */
[data-theme="light"] .landing-stats {
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .ls-divider {
  background: rgba(0,0,0,0.08);
}
[data-theme="light"] .bento-card {
  background: rgba(255,255,255,0.85);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
[data-theme="light"] .bento-card:hover {
  background: #ffffff;
  border-color: rgba(0,0,0,0.14);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
[data-theme="light"] .bento-card-gold {
  background: linear-gradient(140deg, rgba(240,180,41,0.07) 0%, rgba(255,255,255,0.9) 65%);
  border-color: rgba(240,180,41,0.2);
}
[data-theme="light"] .bento-hero-card {
  background: var(--bg-1);
}
[data-theme="light"] .hiw-step {
  background: rgba(255,255,255,0.85);
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .hiw-step:hover {
  background: #ffffff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
}
[data-theme="light"] .hiw-num {
  color: rgba(0,0,0,0.08);
}
[data-theme="light"] .mini-lb-row {
  border-color: rgba(0,0,0,0.07);
}
[data-theme="light"] .hiw-connector {
  color: rgba(0,0,0,0.2);
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "hero   hero  "
      "ai     stakes"
      "coach  lb    ";
  }
  .bento-hero-card { min-height: 320px; }
  .bento-board-wrap { max-height: 200px; }
  .hiw-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .hiw-connector { display: none; }
  .ls-divider { display: none; }
  .landing-stats { gap: 0; }
  .ls-item { min-width: 50%; border-bottom: 1px solid var(--border); }
  .ls-item:nth-child(odd) { border-right: 1px solid var(--border); }
}
@media (max-width: 600px) {
  .bento-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "ai"
      "stakes"
      "coach"
      "lb";
  }
  .bento-hero-card { min-height: 260px; }
  .ls-item { min-width: 100%; border-right: none !important; }
}

/* ── Pro Banner ─────────────────────────────── */
.pro-banner {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; position: relative; overflow: hidden;
}
.pro-banner::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ── Pricing Section ────────────────────────── */
.pricing-section {
  padding: 80px 0 60px;
  text-align: center;
}
.pricing-section .bento-title {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.pricing-sub {
  color: var(--text-3); font-size: 16px; margin-top: 10px; margin-bottom: 48px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
  margin-top: 40px;
}
@media (max-width: 860px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  text-align: left;
  position: relative;
  transition: border-color 0.2s;
}
.pricing-card:hover { border-color: var(--border-hov); }
.pricing-card--featured {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.05);
  transform: translateY(-6px);
}
[data-theme="light"] .pricing-card--featured {
  border-color: rgba(0,0,0,0.30);
  background: #ffffff;
}
.pricing-badge {
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 50px;
  white-space: nowrap;
}
.pricing-plan-name {
  font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 12px;
}
.pricing-price {
  font-size: 40px; font-weight: 900; letter-spacing: -0.04em; color: var(--text);
  margin-bottom: 8px; line-height: 1;
}
.pricing-period { font-size: 16px; font-weight: 500; color: var(--text-3); }
.pricing-desc { font-size: 14px; color: var(--text-3); margin-bottom: 20px; line-height: 1.5; }
.pricing-features {
  list-style: none; margin: 0 0 24px; padding: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.pricing-features li {
  font-size: 13px; color: var(--text-2);
  display: flex; align-items: flex-start; gap: 8px;
}
.pf-check { color: var(--text); font-weight: 700; flex-shrink: 0; }
.pf-dim   { color: var(--text-4); flex-shrink: 0; }
.pricing-btn { width: 100%; justify-content: center; }
.pricing-note { font-size: 11px; color: var(--text-4); text-align: center; margin-top: 10px; }

/* ── Coins display ──────────────────────────── */
.coins-display {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: 6px;
  background: rgba(240,180,41,0.08); border: 1px solid rgba(240,180,41,0.2);
  font-size: 13px; font-weight: 700; color: var(--gold);
}

/* ── Section Headers ────────────────────────── */
.section-header {
  display: flex; align-items: baseline; gap: 16px; margin-bottom: 28px;
}
.section-header h2 {
  font-size: 22px; font-weight: 900; letter-spacing: -0.04em;
}
.section-header .line {
  flex: 1; height: 1px; background: var(--border);
}

/* ── Scrollbar ──────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hov); }

/* ── Utility classes ────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.pt-nav  { padding-top: 80px; }
.flex    { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.text-sm   { font-size: 13px; }
.text-muted { color: var(--text-3); }
.font-bold { font-weight: 700; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.p-4  { padding: 16px; }
.p-6  { padding: 24px; }
.hidden { display: none !important; }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-gold  { color: var(--gold); }
.text-blue  { color: var(--blue); }
.rounded    { border-radius: var(--radius); }

/* Icon utilities */
.icon-gold  { color: var(--gold); }
.icon-green { color: var(--green); }
.icon-red   { color: var(--red); }

/* ── In-game mode: hide navbar ──────────────── */
body.in-game nav { display: none; }
body.in-game #page-game { padding-top: 0; }
body.in-game #page-game .container { padding-top: 16px; }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .hero h1 { font-size: 2.4rem; }
  nav { padding: 0 16px; height: 52px; }
  .container { padding: 0 16px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .lobby-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .lobby-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 15px; }
  .fs-hint-3d { max-width: 190px; }
  .fs-logo-lg { font-size: 24px; }
}

/* ── Theme Picker ───────────────────────────── */
.theme-picker {
  position: relative;
}

.theme-picker-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--drop-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 4px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; pointer-events: none;
  transform: translateY(-6px) scale(0.97);
  transition: opacity 0.15s, transform 0.15s;
  white-space: nowrap; z-index: 300;
  min-width: 130px;
}
.theme-picker-dropdown.open {
  opacity: 1; pointer-events: all;
  transform: translateY(0) scale(1);
}

.theme-pick-btn {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 11px; border-radius: 0; border: none;
  background: transparent; color: var(--text-2);
  font-size: 13px; font-weight: 500; cursor: pointer;
  font-family: inherit; transition: background 0.1s, color 0.1s;
  text-align: left; width: 100%;
}
.theme-pick-btn:hover { background: var(--surface-hov); color: var(--text); }
.theme-pick-btn.active {
  background: var(--surface); color: var(--text); font-weight: 600;
}
.theme-pick-btn svg { flex-shrink: 0; opacity: 0.8; }
.theme-pick-btn.active svg { opacity: 1; }

/* Smooth theme transitions */
body, nav, .glass, .modal, .auth-card, .toast,
.nav-user-dropdown, .theme-picker-dropdown,
.feature-card, .mode-card, .skin-card, .stat-box,
.analysis-card, .player-card, .player-timer,
.form-group input, .auth-field input, .auth-select,
.chat-input-row input, .btn, .move-cell, .tab-btn,
.auth-card-footer, .auth-card-header, .auth-card-body,
.player-card, .lb-table td, .coins-display, .pro-banner,
.view-switch, .view-switch-btn,
.cdd-trigger, .cdd-item {
  transition-property: background, background-color, border-color, color, box-shadow;
  transition-duration: 0.25s;
  transition-timing-function: ease;
}

/* ── Rules Modal Cards ──────────────────────────── */
.rules-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color var(--t);
}
.rules-card:hover { border-color: var(--border-hov); }

.rules-card-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid transparent;
}

.rules-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.rules-card-text {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}
.rules-card-text strong { color: var(--text-2); font-weight: 600; }
.rules-card-text em { color: var(--text-2); font-style: italic; }

[data-theme="light"] .rules-card {
  background: rgba(255,255,255,0.80);
  border-color: rgba(0,0,0,0.08);
}
[data-theme="light"] .rules-card:hover {
  background: #ffffff;
  border-color: rgba(0,0,0,0.14);
}

/* ── Custom Dropdown (CDD) ──────────────────────── */
@keyframes cddFadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cdd {
  position: relative;
  display: inline-block;
  width: 100%;
}

.cdd-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-hov);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.10);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  outline: none;
}
.cdd-trigger:hover {
  background: var(--surface-hov);
  border-color: rgba(255,255,255,0.22);
  box-shadow: 0 2px 8px rgba(0,0,0,0.14);
}
.cdd-trigger.open {
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.cdd-trigger-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cdd-chevron {
  flex-shrink: 0;
  color: var(--text-3);
  width: 15px; height: 15px;
  transition: transform 0.2s ease;
}
.cdd-trigger.open .cdd-chevron { transform: rotate(180deg); }

.cdd-menu {
  position: absolute;
  top: calc(100% + 5px);
  left: 0; right: 0;
  background: var(--drop-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hov);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.28), 0 2px 8px rgba(0,0,0,0.12);
  z-index: 500;
  animation: cddFadeIn 0.16s ease;
  max-height: 220px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.cdd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
}
.cdd-item:hover { background: var(--surface-hov); color: var(--text); }
.cdd-item.selected { color: var(--text); font-weight: 600; }

.cdd-check {
  flex-shrink: 0;
  opacity: 0;
  color: var(--text-2);
  width: 14px; height: 14px;
}
.cdd-item.selected .cdd-check { opacity: 1; }

/* Light theme */
[data-theme="light"] .cdd-trigger {
  background: rgba(255,255,255,0.75);
  border-color: rgba(0,0,0,0.14);
}
[data-theme="light"] .cdd-trigger:hover {
  background: rgba(255,255,255,0.95);
  border-color: rgba(0,0,0,0.22);
}
[data-theme="light"] .cdd-menu {
  background: #ffffff;
  border-color: rgba(0,0,0,0.10);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
}
[data-theme="light"] .cdd-item.selected { color: var(--text); }

/* ═══════════════════════════════════════════════════
   MOBILE ADAPTATION — Full responsive overhaul
   ═══════════════════════════════════════════════════ */

/* ── Global mobile touch targets ───────────────────── */
@media (max-width: 768px) {
  .btn { min-height: 40px; }
  .btn-sm { min-height: 36px; padding: 6px 14px; }
  input, select, textarea { font-size: 16px !important; } /* prevent iOS zoom */
}

/* ── Navigation mobile improvements ───────────────── */
@media (max-width: 680px) {
  .nav-auth-btns .btn-ghost { display: none; } /* hide Log in text, keep Sign up */
  .coins-display { font-size: 12px; padding: 4px 8px; }

  /* .nav-play-btn visibility toggled by JS on login state */
}

/* ── Hero section ──────────────────────────────────── */
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  #hero-right-col { display: none !important; }
  .hero { min-height: auto; padding: 64px 0 48px; }
  .hero p { font-size: 15px; }
}

@media (max-width: 540px) {
  .hero { padding: 88px 0 36px; }
  .hero-ticker-line { white-space: normal; font-size: 1.15rem; }
  .hero-cta { gap: 8px; }
  .hero-cta .btn { flex: 1; justify-content: center; }
}

/* ── Game page layout ──────────────────────────────── */
@media (max-width: 860px) {
  .game-layout {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .game-sidebar {
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 12px;
  }

  .game-sidebar > * {
    flex: 1;
    min-width: 260px;
  }
}

@media (max-width: 540px) {
  #page-game .container {
    padding: 0 10px 16px !important;
    padding-top: 12px !important;
  }

  .player-card {
    padding: 8px 12px;
  }

  .player-avatar {
    width: 32px !important;
    height: 32px !important;
    font-size: 14px !important;
    min-width: 32px;
  }

  .player-name { font-size: 13px; }
  .player-rating { font-size: 11px; }

  .player-timer {
    font-size: 16px !important;
    padding: 5px 10px;
    min-width: 68px;
  }

  .view-switch { margin-bottom: 8px; }

  .game-controls {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    gap: 6px !important;
  }

  .game-controls .btn-sm {
    font-size: 12px;
    padding: 6px 10px;
    gap: 4px !important;
  }

  .game-sidebar {
    flex-direction: column !important;
  }

  .game-sidebar > * {
    min-width: unset;
  }

  /* Compact move list on mobile */
  .move-list { max-height: 140px; }

  /* Compact chat on mobile */
  .chat-messages { height: 100px; }
}

/* ── Lobby layout ──────────────────────────────────── */
@media (max-width: 700px) {
  .lobby-two-col {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
}

@media (max-width: 540px) {
  #page-lobby .container { padding-top: 24px !important; }
  #page-lobby h2 { font-size: 22px; }
}

/* ── Store page ────────────────────────────────────── */
@media (max-width: 600px) {
  .skins-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px;
  }

  #page-store .flex.justify-between {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 10px;
  }

  #page-store h2 { font-size: 22px; }
}

@media (max-width: 380px) {
  .skins-grid { grid-template-columns: 1fr !important; }
}

/* ── Profile page ──────────────────────────────────── */
@media (max-width: 600px) {
  #page-profile .container { padding-top: 24px !important; }
  #profile-header { padding: 16px !important; }
  .stat-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 380px) {
  .stat-grid { grid-template-columns: 1fr !important; }
  .stat-box .value { font-size: 24px; }
}

/* ── Leaderboard ───────────────────────────────────── */
@media (max-width: 600px) {
  .lb-table th:nth-child(4),
  .lb-table td:nth-child(4),
  .lb-table th:nth-child(5),
  .lb-table td:nth-child(5) {
    display: none;
  }

  .lb-table td, .lb-table th { padding: 10px 8px; font-size: 13px; }
}

/* ── Modals — bottom sheet on small phones ─────────── */
@media (max-width: 540px) {
  .modal-overlay {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  .modal {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 92dvh;
    overflow-y: auto;
    border-radius: 20px 20px 0 0 !important;
    padding: 20px 20px 32px !important;
    transform: translateY(20px) !important;
  }

  .modal-overlay.active .modal {
    transform: translateY(0) !important;
  }

  .modal::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: var(--border-hov);
    border-radius: 2px;
    margin: 0 auto 18px;
  }

  /* Auth card follows same treatment */
  .auth-card {
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 20px 20px 0 0 !important;
    margin: 0 !important;
    transform: translateY(20px) !important;
  }

  .modal-overlay.active .auth-card {
    transform: translateY(0) !important;
  }
}

/* ── Game over card ────────────────────────────────── */
@media (max-width: 540px) {
  .game-over-card {
    width: calc(100vw - 20px) !important;
    padding: 24px 18px !important;
  }
}

/* ── Pricing section ───────────────────────────────── */
@media (max-width: 540px) {
  .pricing-section { padding: 48px 0 36px; }
  .pricing-grid { gap: 14px; }
  .pricing-card--featured { transform: none; }
}

/* ── Landing stats bar ─────────────────────────────── */
@media (max-width: 480px) {
  .ls-num { font-size: 32px; }
  .ls-item { padding: 20px 12px; }
}

/* ── Waiting room overlay ──────────────────────────── */
@media (max-width: 480px) {
  #waiting-room .glass {
    padding: 24px 16px !important;
  }
  #room-code-display {
    font-size: 28px !important;
    letter-spacing: 6px !important;
  }
}

/* ── Ensure pages don't overflow horizontally ──────── */
@media (max-width: 768px) {
  body { overflow-x: hidden; }
  .page { overflow-x: hidden; }
}

/* ── Tabs — scrollable on mobile ───────────────────── */
@media (max-width: 540px) {
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab-btn { white-space: nowrap; flex-shrink: 0; }
}

/* ── Section headers ───────────────────────────────── */
@media (max-width: 480px) {
  .section-header h2 { font-size: 18px; }
}

/* ── Pro banner ────────────────────────────────────── */
@media (max-width: 600px) {
  .pro-banner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .pro-banner .btn { width: 100%; justify-content: center; }
}