/* ==========================================================================
   天天天天脑洞大开 — Design System
   Based on 天天天天 VI Color Palette
   Primary: #00AFEC (Sky Blue) | Secondary: #00B3C4 (Teal)
   ========================================================================== */

/* ===== CSS Variables — Brand VI ===== */
:root {
  /* Brand Primary */
  --brand: #00AFEC;
  --brand-dark: #0090C8;
  --brand-light: #E8F7FE;
  --brand-gradient: linear-gradient(135deg, #00AFEC 0%, #00B3C4 100%);

  /* VI Auxiliary Colors */
  --vi-teal: #00B3C4;
  --vi-green: #56B879;
  --vi-gold: #FAC03D;
  --vi-coral: #EF845C;
  --vi-pink: #EB6EA5;
  --vi-purple: #6E60A8;

  /* VI Soft Palette */
  --soft-peach: #FBDAC8;
  --soft-mint: #CAE5CD;
  --soft-cream: #FEEBBE;
  --soft-lavender: #C7C0DF;

  /* Neutrals */
  --bg: #F8FBFE;
  --bg-warm: #FFFCF8;
  --text: #1A3044;
  --text-light: #6B8299;
  --text-muted: #9BAFBF;
  --border: #E2EBF0;
  --border-light: #EFF4F8;
  --white: #FFFFFF;

  /* Shadows — layered for depth */
  --shadow-xs: 0 1px 3px rgba(0, 50, 80, 0.04);
  --shadow: 0 2px 8px rgba(0, 50, 80, 0.06), 0 1px 2px rgba(0, 50, 80, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 50, 80, 0.08), 0 2px 4px rgba(0, 50, 80, 0.04);
  --shadow-lg: 0 8px 24px rgba(0, 50, 80, 0.10), 0 4px 8px rgba(0, 50, 80, 0.04);

  /* Grade Colors — derived from VI palette */
  --grade3: #56B879;
  --grade3-light: #E8F5EC;
  --grade4: #00AFEC;
  --grade4-light: #E8F7FE;
  --grade5: #6E60A8;
  --grade5-light: #EEEAF5;
  --grade6: #EF845C;
  --grade6-light: #FEF0EA;

  /* Radii */
  --radius: 14px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --radius-full: 9999px;

  /* Typography */
  --font: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-display: "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-dark); }

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}

input, textarea {
  font-family: var(--font);
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: var(--brand);
  color: var(--white);
}

#app {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
  min-height: 100vh;
}

/* ===== Logo ===== */
.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}

.logo-img-sm { height: 32px; }
.logo-img-lg { height: 80px; }
.logo-img-xl { height: 120px; }

/* ===== Login Page ===== */
.login-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 85vh;
  padding: 20px;
  background: linear-gradient(160deg, var(--bg) 0%, #E8F7FE 40%, #F0FAF2 70%, var(--bg) 100%);
}

.login-brand {
  text-align: center;
  margin-bottom: 36px;
}

.login-brand .logo-img {
  margin: 0 auto 16px;
}

.login-brand h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  margin-bottom: 6px;
}

.login-brand .subtitle {
  font-size: 0.9rem;
  color: var(--text-light);
  letter-spacing: 1px;
}

.login-form {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 32px 28px;
  border: 1px solid var(--border-light);
}

.login-form h2 {
  font-size: 1.2rem;
  margin-bottom: 22px;
  text-align: center;
  color: var(--text);
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
  background: var(--bg);
}

.form-group input:focus {
  border-color: var(--brand);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(0, 175, 236, 0.1);
}

.form-error {
  color: var(--vi-coral);
  font-size: 0.78rem;
  margin-top: 4px;
  min-height: 1.2em;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  gap: 6px;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--brand-gradient);
  color: var(--white);
  width: 100%;
  padding: 12px;
  box-shadow: 0 2px 8px rgba(0, 175, 236, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(0, 175, 236, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-secondary {
  background: var(--white);
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-light);
}

.btn-sm { padding: 6px 14px; font-size: 0.85rem; border-radius: var(--radius-xs); }

.btn-ghost {
  background: transparent;
  color: var(--text-light);
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-xs);
}

.btn-ghost:hover { color: var(--brand); background: var(--brand-light); }

.login-switch {
  text-align: center;
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--text-light);
}

.login-switch a {
  color: var(--brand);
  font-weight: 600;
  cursor: pointer;
}

/* ===== Top Bar ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  margin-bottom: 24px;
  border-bottom: 1.5px solid var(--border-light);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand);
  display: none; /* hidden when logo present */
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===== Home Page ===== */
.home-header {
  text-align: center;
  padding: 20px 0 10px;
}

.home-header h2 {
  font-size: 1.15rem;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 6px;
}

.grade-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

@media (max-width: 640px) {
  .grade-grid { grid-template-columns: 1fr; gap: 12px; }
}

.grade-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 22px;
  cursor: pointer;
  transition: all var(--transition);
  border-left: 4px solid transparent;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.grade-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.grade-card::after {
  content: '';
  position: absolute;
  top: -20px; right: -20px;
  width: 80px; height: 80px;
  border-radius: 50%;
  opacity: 0.06;
}

.grade-card[data-grade="3"] { border-left-color: var(--grade3); }
.grade-card[data-grade="3"]::after { background: var(--grade3); }
.grade-card[data-grade="3"]:hover { background: var(--grade3-light); }

.grade-card[data-grade="4"] { border-left-color: var(--grade4); }
.grade-card[data-grade="4"]::after { background: var(--grade4); }
.grade-card[data-grade="4"]:hover { background: var(--grade4-light); }

.grade-card[data-grade="5"] { border-left-color: var(--grade5); }
.grade-card[data-grade="5"]::after { background: var(--grade5); }
.grade-card[data-grade="5"]:hover { background: var(--grade5-light); }

.grade-card[data-grade="6"] { border-left-color: var(--grade6); }
.grade-card[data-grade="6"]::after { background: var(--grade6); }
.grade-card[data-grade="6"]:hover { background: var(--grade6-light); }

.grade-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text);
}

.grade-card .grade-alias {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.progress-bar {
  height: 5px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 6px;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.grade-card[data-grade="3"] .progress-bar-fill { background: var(--grade3); }
.grade-card[data-grade="4"] .progress-bar-fill { background: var(--grade4); }
.grade-card[data-grade="5"] .progress-bar-fill { background: var(--grade5); }
.grade-card[data-grade="6"] .progress-bar-fill { background: var(--grade6); }

.progress-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ===== Game List Page ===== */
.page-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  flex: 1;
  color: var(--text);
}

.search-wrap { position: relative; }

.search-wrap::before {
  content: '🔍';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  opacity: 0.6;
}

.search-input {
  width: 100%;
  padding: 11px 14px 11px 40px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  background: var(--white);
  margin-bottom: 16px;
  outline: none;
  transition: all var(--transition);
}

.search-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0, 175, 236, 0.08);
}

.game-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.game-card {
  display: flex;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border-light);
  padding: 12px 16px;
  cursor: pointer;
  transition: all var(--transition);
  gap: 14px;
}

.game-card:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
  border-color: var(--border);
}

.game-card.played { opacity: 0.55; }

.game-card-num {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--white);
  flex-shrink: 0;
}

.grade-3 .game-card-num { background: var(--grade3); }
.grade-4 .game-card-num { background: var(--grade4); }
.grade-5 .game-card-num { background: var(--grade5); }
.grade-6 .game-card-num { background: var(--grade6); }

.game-card-info { flex: 1; min-width: 0; }

.game-card-name {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.game-card-tags {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.game-card-stars {
  font-size: 0.8rem;
  color: var(--vi-gold);
  flex-shrink: 0;
}

.game-card-check {
  color: var(--vi-green);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== Game Page ===== */
.game-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  margin-bottom: 16px;
  border-bottom: 1.5px solid var(--border-light);
}

.game-topbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  flex: 1;
  text-align: center;
  color: var(--text);
}

.game-setup {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  padding: 36px 28px;
  text-align: center;
  max-width: 420px;
  margin: 40px auto;
}

.game-setup h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.game-setup p {
  color: var(--text-light);
  font-size: 0.88rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.player-slider {
  width: 100%;
  margin: 16px 0;
  -webkit-appearance: none;
  appearance: none;
  height: 5px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--soft-mint), var(--brand), var(--vi-teal));
  outline: none;
}

.player-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--brand);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 175, 236, 0.3);
  transition: all var(--transition);
}

.player-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 2px 12px rgba(0, 175, 236, 0.45);
  transform: scale(1.1);
}

.player-count-display {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 8px 0;
}

/* ===== Tool Area ===== */
.tool-area {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  padding: 20px;
  margin-bottom: 14px;
}

/* ===== Collapsible Sections ===== */
.collapsible {
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border-light);
  margin-bottom: 8px;
  overflow: hidden;
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  user-select: none;
  transition: background var(--transition);
  color: var(--text);
}

.collapsible-header:hover { background: var(--bg); }

.collapsible-header .arrow {
  transition: transform var(--transition);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.collapsible.open .collapsible-header .arrow {
  transform: rotate(90deg);
}

.collapsible-body {
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
}

.collapsible.open .collapsible-body {
  max-height: 3000px;
  padding: 0 16px 16px;
}

.collapsible-body p,
.collapsible-body li {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text);
}

.collapsible-body ul, .collapsible-body ol { padding-left: 20px; }
.collapsible-body li { margin-bottom: 4px; }

.lock-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 6px;
}

/* ===== Game Bottom Bar ===== */
.game-bottombar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  margin-top: 10px;
  border-top: 1.5px solid var(--border-light);
  gap: 12px;
}

.btn-played {
  background: var(--white);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.btn-played:hover { border-color: var(--vi-green); color: var(--vi-green); }

.btn-played.active {
  background: var(--grade3-light);
  border-color: var(--vi-green);
  color: var(--vi-green);
}

.btn-next {
  background: var(--brand-gradient);
  color: var(--white);
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(0, 175, 236, 0.2);
}

.btn-next:hover {
  box-shadow: 0 4px 12px rgba(0, 175, 236, 0.3);
  transform: translateY(-1px);
}

/* ===== Timer Component ===== */
.timer-display { text-align: center; padding: 24px 20px; }

.timer-time {
  font-size: 3.5rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  margin: 12px 0;
  letter-spacing: 2px;
}

.timer-time.warning { color: var(--vi-coral); }
.timer-time.hidden-countdown { font-size: 1.3rem; color: var(--text-light); letter-spacing: 1px; }

.timer-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 16px;
}

.timer-btn {
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
}

.timer-btn-start {
  background: var(--brand-gradient);
  color: var(--white);
  box-shadow: 0 2px 6px rgba(0, 175, 236, 0.25);
}
.timer-btn-start:hover { box-shadow: 0 4px 12px rgba(0, 175, 236, 0.35); }
.timer-btn-pause { background: var(--soft-cream); color: #92400E; }
.timer-btn-reset { background: var(--border-light); color: var(--text-light); }
.timer-btn-reset:hover { background: var(--border); }

/* ===== Card Drawer Component ===== */
.card-drawer { text-align: center; padding: 12px 0; }

.card-drawer-decks {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.card-deck-slot { perspective: 600px; }

.card-deck-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.card-face {
  width: 180px;
  min-height: 120px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  font-size: 1rem;
  line-height: 1.5;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;
  position: relative;
}

.card-face.flipping { animation: cardFlip 0.5s ease; }

@keyframes cardFlip {
  0% { transform: rotateY(0deg) scale(1); }
  50% { transform: rotateY(90deg) scale(0.95); }
  100% { transform: rotateY(0deg) scale(1); }
}

.card-face-front {
  background: var(--white);
  border: 2px solid var(--brand);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
}

.card-face-back {
  background: var(--brand-gradient);
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.card-combo-symbol {
  font-size: 1.4rem;
  color: var(--brand);
  display: flex;
  align-items: center;
  padding-top: 30px;
  font-weight: 300;
}

.card-drawer-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.card-drawer-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ===== Secret Assigner Component ===== */
.secret-assigner { padding: 12px 0; }

.secret-full-table {
  background: var(--soft-cream);
  border: 1px solid #F5E6B8;
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
  font-size: 0.82rem;
  line-height: 1.9;
}

.secret-full-table .spy-mark {
  background: var(--vi-coral);
  color: var(--white);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  margin-left: 4px;
  font-weight: 600;
}

.secret-full-table .blank-mark {
  background: var(--text);
  color: var(--white);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.72rem;
  margin-left: 4px;
  font-weight: 600;
}

.seat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.seat-btn {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 2px solid var(--border);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.seat-btn:hover { border-color: var(--brand); box-shadow: var(--shadow-xs); }

.seat-btn.revealing {
  background: var(--brand-gradient);
  color: var(--white);
  border-color: var(--brand);
  font-size: 0.78rem;
  font-weight: 600;
}

/* ===== Reveal Voter Component ===== */
.reveal-voter { padding: 12px 0; }

.reveal-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.reveal-input-group { display: flex; flex-direction: column; gap: 4px; }

.reveal-input-group label { font-size: 0.78rem; color: var(--text-muted); }

.reveal-input-group input {
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}

.reveal-input-group input:focus { border-color: var(--brand); }

.reveal-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.reveal-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
  min-height: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.reveal-card .seat-label { font-size: 0.72rem; color: var(--text-muted); margin-bottom: 4px; }
.reveal-card .answer { font-size: 1.05rem; font-weight: 700; }

.reveal-card.hidden .answer {
  color: transparent;
  background: var(--border-light);
  border-radius: var(--radius-xs);
  min-width: 60px;
  min-height: 24px;
}

.reveal-card.revealed {
  border-color: var(--brand);
  background: var(--brand-light);
}

.signal-display { text-align: center; padding: 36px 20px; }

.signal-count {
  font-size: 6rem;
  font-weight: 800;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.signal-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 12px;
}

.vote-options {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin: 16px 0;
  flex-wrap: wrap;
}

.vote-option {
  flex: 1;
  min-width: 120px;
  max-width: 200px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.vote-option-label { font-weight: 600; margin-bottom: 8px; }

.vote-option input {
  width: 60px;
  padding: 6px;
  text-align: center;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 1.2rem;
  font-weight: 700;
  outline: none;
}

.vote-result-bar {
  display: flex;
  height: 40px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 16px 0;
}

.vote-result-side {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--white);
  font-size: 0.85rem;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 30px;
}

.vote-result-side:first-child { background: var(--brand); }
.vote-result-side:last-child { background: var(--vi-purple); }

/* ===== Public Screen Mode ===== */
.public-screen { background: var(--white); }
.public-screen .collapsible.teacher-only { display: none; }
.public-screen .game-topbar-title { font-size: 1.8rem; }
.public-screen .tool-area { padding: 32px; }
.public-screen .timer-time { font-size: 5.5rem; }
.public-screen .card-face { width: 260px; min-height: 170px; font-size: 1.35rem; }
.public-screen .collapsible-header { font-size: 1.15rem; padding: 16px 20px; }
.public-screen .collapsible-body p,
.public-screen .collapsible-body li { font-size: 1.1rem; }
.public-screen .signal-count { font-size: 10rem; }
.public-screen .signal-text { font-size: 2.4rem; }
.public-screen .seat-btn { font-size: 1.4rem; }
.public-screen .reveal-card .answer { font-size: 1.5rem; }

/* ===== Footer ===== */
.app-footer {
  text-align: center;
  padding: 24px 0 16px;
  margin-top: 32px;
  border-top: 1px solid var(--border-light);
}

.app-footer .logo-img {
  margin: 0 auto 8px;
  opacity: 0.6;
}

.app-footer p {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  #app { padding: 12px; }
  .login-brand h1 { font-size: 1.6rem; }
  .game-topbar-title { font-size: 1rem; }
  .timer-time { font-size: 2.8rem; }
  .card-face { width: 140px; min-height: 95px; font-size: 0.88rem; }
  .game-card { padding: 10px 12px; }
  .reveal-inputs { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .logo-img { height: 36px; }
  .logo-img-lg { height: 64px; }
  .logo-img-xl { height: 90px; }
}

@media (min-width: 1024px) {
  #app { padding: 24px 32px; }
  .login-brand h1 { font-size: 2.4rem; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.hidden { display: none !important; }

.fade-in { animation: fadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes flash {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.flash { animation: flash 0.5s ease 3; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ✅ 步骤3完成 */
/* ==========================================================================
   Round 2: Animations + Projector Theme + Game UI
   ========================================================================== */

/* === 3D Card Flip === */
.card-container { perspective: 800px; }
.card-inner {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  width: 180px; min-height: 120px;
}
.card-inner.flipped { transform: rotateY(180deg); }
.card-inner .card-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  padding: 18px; font-size: 1rem; line-height: 1.5;
}
.card-inner .card-front {
  background: var(--white);
  border: 2px solid var(--brand);
  color: var(--text); font-weight: 600;
  box-shadow: var(--shadow);
}
.card-inner .card-back {
  transform: rotateY(180deg);
  background: var(--brand-gradient);
  color: white; font-size: 1.5rem; font-weight: 700;
  box-shadow: var(--shadow-md);
}

/* === Countdown Overlay (3-2-1-GO) === */
.countdown-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.88);
  pointer-events: none;
  animation: animFadeIn 0.2s ease-out;
}
.countdown-number {
  font-size: 25vw; font-weight: 900; line-height: 1;
  color: #FFD700;
  text-shadow: 0 0 60px rgba(255,215,0,0.6), 0 0 120px rgba(255,215,0,0.3);
  animation: countdownPulse 0.8s ease-out forwards;
}
.countdown-number.go {
  color: #00FF88;
  text-shadow: 0 0 60px rgba(0,255,136,0.6);
  animation: countdownBounce 0.6s cubic-bezier(0.68,-0.55,0.265,1.55) forwards;
}
@keyframes countdownPulse {
  0%   { transform: scale(0.2); opacity: 0; }
  40%  { transform: scale(1.3); opacity: 1; }
  70%  { transform: scale(0.95); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes countdownBounce {
  0%   { transform: scale(0.2) rotate(-12deg); opacity: 0; }
  50%  { transform: scale(1.4) rotate(5deg); opacity: 1; }
  75%  { transform: scale(0.9) rotate(-2deg); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
@keyframes animFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes animFadeOut { from { opacity: 1; } to { opacity: 0; } }

/* === Timer Animations === */
.timer-number { transition: transform 0.12s ease-out; }
.timer-number.pulse { transform: scale(1.18); }
.timer-number.urgent { color: var(--vi-coral); animation: timerShake 0.4s ease-in-out; }
.timer-number.final-three {
  font-size: 150%; color: var(--vi-coral);
  text-shadow: 0 0 20px rgba(239,68,68,0.5);
  animation: timerPound 0.3s ease-out;
}
@keyframes timerShake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-5px) rotate(-1deg); }
  40% { transform: translateX(5px) rotate(1deg); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}
@keyframes timerPound {
  0%   { transform: scale(0.8); }
  50%  { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* === Flash White === */
.flash-white { animation: flashWhite 0.3s ease-out; }
@keyframes flashWhite {
  0%   { filter: brightness(1); }
  30%  { filter: brightness(3); }
  100% { filter: brightness(1); }
}

/* === Correct/Wrong Feedback === */
@keyframes bounceIn {
  0%   { transform: scale(0) rotate(-5deg); opacity: 0; }
  50%  { transform: scale(1.3) rotate(3deg); }
  70%  { transform: scale(0.9); }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  10%,30%,50%,70%,90% { transform: translateX(-6px); }
  20%,40%,60%,80% { transform: translateX(6px); }
}

/* === Card Fly-in (Dual Deck) === */
@keyframes flyInLeft {
  0%   { transform: translateX(-120%) rotate(-15deg); opacity: 0; }
  60%  { transform: translateX(5%) rotate(2deg); opacity: 1; }
  100% { transform: translateX(0) rotate(0); }
}
@keyframes flyInRight {
  0%   { transform: translateX(120%) rotate(15deg); opacity: 0; }
  60%  { transform: translateX(-5%) rotate(-2deg); opacity: 1; }
  100% { transform: translateX(0) rotate(0); }
}
@keyframes sparkle {
  0%   { transform: scale(0) rotate(0); opacity: 1; }
  50%  { transform: scale(1.5) rotate(180deg); opacity: 1; }
  100% { transform: scale(0) rotate(360deg); opacity: 0; }
}

/* === Score Float === */
@keyframes scoreFloat {
  0%   { opacity: 1; transform: translateY(0) scale(0.5); }
  20%  { transform: translateY(-15px) scale(1.3); }
  100% { opacity: 0; transform: translateY(-100px) scale(0.8); }
}

/* === Critical Hit (Turtle Soup) === */
.critical-overlay {
  position: fixed; inset: 0; z-index: 9998;
  background: radial-gradient(circle at center, transparent 20%, rgba(0,0,0,0.85) 70%);
  pointer-events: none;
  animation: animFadeIn 0.3s ease-out;
}
.critical-text {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 5rem; font-weight: 900;
  color: #FFD700;
  text-shadow: 0 0 40px rgba(255,215,0,0.8);
  z-index: 9999;
  animation: criticalHit 0.8s ease-out forwards;
}
@keyframes criticalHit {
  0%   { transform: translate(-50%,-50%) scale(0.3); opacity: 0; filter: brightness(3); }
  30%  { transform: translate(-50%,-50%) scale(1.5); opacity: 1; }
  50%  { transform: translate(-50%,-50%) scale(1); filter: brightness(1); }
  100% { transform: translate(-50%,-50%) scale(1); opacity: 1; }
}

/* === Button Juice === */
.btn-game {
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
  cursor: pointer;
}
.btn-game:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.btn-game:active { transform: translateY(1px) scale(0.97); box-shadow: 0 1px 3px rgba(0,0,0,0.1); }

/* === Pulse Glow (start button in projector) === */
@keyframes pulseGlow {
  0%,100% { box-shadow: 0 0 10px rgba(0,175,236,0.4); }
  50% { box-shadow: 0 0 30px rgba(0,175,236,0.8), 0 0 60px rgba(0,175,236,0.3); }
}
.btn-pulse-glow { animation: pulseGlow 2s ease-in-out infinite; }

/* === Toast === */
.toast {
  position: fixed; bottom: 80px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--white);
  padding: 10px 24px; border-radius: var(--radius-full);
  font-size: 0.85rem; font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0; z-index: 10000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* === Detail Modal === */
.modal-overlay {
  position: fixed; inset: 0; z-index: 5000;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  animation: animFadeIn 0.2s ease-out;
  padding: 20px;
}
.modal-content {
  background: var(--white); border-radius: var(--radius);
  max-width: 640px; width: 100%; max-height: 85vh;
  overflow-y: auto; padding: 28px 24px;
  box-shadow: var(--shadow-lg);
  animation: bounceIn 0.3s ease-out;
}
.modal-close {
  float: right; font-size: 1.5rem; color: var(--text-muted);
  cursor: pointer; padding: 4px 8px; line-height: 1;
}
.modal-close:hover { color: var(--text); }

/* === Volume Control === */
.volume-control {
  position: fixed; top: 16px; right: 16px; z-index: 8000;
  display: flex; align-items: center; gap: 8px;
}
.volume-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--white); border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; cursor: pointer; box-shadow: var(--shadow-xs);
  transition: all var(--transition);
}
.volume-btn:hover { background: var(--brand-light); border-color: var(--brand); }
.volume-slider-wrap {
  background: var(--white); border-radius: var(--radius-full);
  padding: 6px 12px; box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  display: none; align-items: center; gap: 6px;
}
.volume-slider-wrap.open { display: flex; }
.volume-slider {
  width: 80px; height: 4px;
  -webkit-appearance: none; appearance: none;
  background: var(--border); border-radius: 2px; outline: none;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--brand); cursor: pointer;
}

/* === Turtle Soup UI === */
.soup-container { padding: 16px 0; }
.soup-surface {
  background: var(--soft-cream); border: 1px solid #F0DFA0;
  border-radius: var(--radius); padding: 20px;
  font-size: 1.05rem; line-height: 1.8; margin-bottom: 16px;
  text-align: center; color: var(--text);
}
.soup-chat { max-height: 400px; overflow-y: auto; margin-bottom: 16px; }
.soup-bubble {
  max-width: 80%; padding: 10px 16px;
  border-radius: var(--radius-sm); margin-bottom: 8px;
  font-size: 0.9rem; line-height: 1.6;
  animation: bounceIn 0.3s ease-out;
}
.soup-bubble.user {
  background: var(--brand-light); color: var(--text);
  margin-left: auto; border-bottom-right-radius: 4px;
}
.soup-bubble.ai {
  background: var(--bg); color: var(--text);
  margin-right: auto; border-bottom-left-radius: 4px;
}
.soup-bubble.ai.critical-bubble {
  background: linear-gradient(135deg, #FFF8E1, #FFF3CD);
  border: 1px solid var(--vi-gold);
}
.soup-input-row {
  display: flex; gap: 8px; align-items: center;
}
.soup-input {
  flex: 1; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.9rem; outline: none; font-family: var(--font);
}
.soup-input:focus { border-color: var(--brand); }
.soup-progress {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.8rem; color: var(--text-muted); margin-top: 10px;
}
.soup-progress-bar {
  flex: 1; height: 4px; background: var(--border-light);
  border-radius: 2px; overflow: hidden;
}
.soup-progress-fill {
  height: 100%; background: var(--brand-gradient);
  border-radius: 2px; transition: width 0.3s ease;
}
.soup-manual-btns {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px;
}
.soup-manual-btn {
  padding: 8px; border-radius: var(--radius-xs);
  font-size: 0.82rem; font-weight: 600; cursor: pointer;
  border: 1.5px solid var(--border); background: var(--white);
  transition: all var(--transition);
}
.soup-manual-btn:hover { border-color: var(--brand); }
.soup-manual-btn.yes { color: var(--vi-green); }
.soup-manual-btn.no { color: var(--vi-coral); }
.soup-manual-btn.irrelevant { color: var(--text-muted); }
.soup-manual-btn.critical { color: var(--vi-gold); }
.soup-waiting {
  text-align: center; padding: 16px; color: var(--text-muted);
  font-size: 0.85rem;
}

/* === Projector Theme === */
[data-view="projector"] {
  --bg-primary: #0A0E27;
  --bg-secondary: #131836;
  --bg-card: #1A1F40;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255,255,255,0.7);
  --accent: #FFD700;
  --accent-glow: rgba(255,215,0,0.3);
  --success: #00E676;
  --danger: #FF5252;
}
[data-view="projector"] body,
[data-view="projector"] #app { background: var(--bg-primary); color: var(--text-primary); max-width: 100%; }
[data-view="projector"] .tool-area {
  background: var(--bg-card); border: 2px solid rgba(255,215,0,0.2);
  border-radius: 20px; padding: 32px;
  max-width: 60vw; margin: 0 auto 16px;
}
[data-view="projector"] .timer-time { font-size: 12rem; color: var(--text-primary); }
[data-view="projector"] .timer-time.warning { color: var(--danger); }
[data-view="projector"] .card-inner { width: 260px; min-height: 170px; }
[data-view="projector"] .card-inner .card-face { font-size: 2rem; }
[data-view="projector"] .card-inner .card-back { font-size: 2.5rem; }
[data-view="projector"] .btn-game,
[data-view="projector"] .btn-primary,
[data-view="projector"] .timer-btn {
  min-height: 56px; padding: 16px 40px; font-size: 1.3rem; border-radius: 16px;
}
[data-view="projector"] .collapsible { background: var(--bg-card); border-color: rgba(255,255,255,0.1); }
[data-view="projector"] .collapsible-header { color: var(--text-primary); font-size: 1.2rem; }
[data-view="projector"] .collapsible-body p,
[data-view="projector"] .collapsible-body li { color: var(--text-secondary); font-size: 1.1rem; }
[data-view="projector"] .collapsible.teacher-only { display: none; }
[data-view="projector"] .game-topbar { border-color: rgba(255,255,255,0.1); }
[data-view="projector"] .game-topbar-title { font-size: 2rem; color: var(--accent); }
[data-view="projector"] .one-line-rule {
  font-size: 1.6rem; color: var(--accent); text-align: center;
  padding: 12px 0; margin: 8px 0;
}
[data-view="projector"] .signal-count { font-size: 10rem; }
[data-view="projector"] .signal-text { font-size: 2.4rem; color: var(--text-primary); }
[data-view="projector"] .seat-btn {
  font-size: 1.4rem; background: var(--bg-card);
  border-color: rgba(255,255,255,0.2); color: var(--text-primary);
}
[data-view="projector"] .seat-btn.revealing {
  background: var(--brand-gradient); border-color: var(--brand);
}
[data-view="projector"] .reveal-card {
  background: var(--bg-card); border-color: rgba(255,255,255,0.2);
}
[data-view="projector"] .reveal-card .answer { font-size: 1.5rem; color: var(--text-primary); }
[data-view="projector"] .reveal-card.revealed { border-color: var(--accent); background: rgba(255,215,0,0.1); }
[data-view="projector"] .soup-surface {
  background: var(--bg-card); border-color: rgba(255,215,0,0.3);
  font-size: 1.6rem; color: var(--text-primary);
}
[data-view="projector"] .soup-bubble { font-size: 1.3rem; }
[data-view="projector"] .soup-bubble.user { background: rgba(0,175,236,0.2); }
[data-view="projector"] .soup-bubble.ai { background: var(--bg-secondary); }
[data-view="projector"] .game-setup { background: var(--bg-card); border-color: rgba(255,215,0,0.2); }
[data-view="projector"] .game-setup h3 { color: var(--text-primary); font-size: 2rem; }
[data-view="projector"] .game-setup p { color: var(--text-secondary); font-size: 1.2rem; }
[data-view="projector"] .player-count-display { font-size: 3rem; }
[data-view="projector"] .secret-full-table { display: none; /* hide spy table in projector */ }
[data-view="projector"] .game-bottombar { border-color: rgba(255,255,255,0.1); }
[data-view="projector"] .btn-played { color: var(--text-secondary); border-color: rgba(255,255,255,0.2); }
[data-view="projector"] .btn-played.active { color: var(--success); border-color: var(--success); background: rgba(0,230,118,0.1); }

/* Projector bottom toolbar */
.projector-toolbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: 48px; z-index: 8000;
  background: rgba(10,14,39,0.9); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; font-size: 0.82rem; color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.projector-toolbar .hint { letter-spacing: 0.5px; }

/* === Blur spoiler === */
.spoiler-blur { filter: blur(20px); transition: filter 0.3s ease; cursor: pointer; }
.spoiler-blur:hover,
.spoiler-blur.revealed { filter: blur(0); }

/* === Game end screen === */
.game-end-screen {
  text-align: center; padding: 40px 20px;
  animation: bounceIn 0.5s ease-out;
}
.game-end-screen h2 {
  font-size: 2rem; font-weight: 800; margin-bottom: 16px;
  background: var(--brand-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.game-end-stats {
  display: flex; flex-direction: column; gap: 8px;
  margin: 20px auto; max-width: 300px;
}
.game-end-stat {
  display: flex; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
}
.game-end-stat .value { font-weight: 700; color: var(--brand); }
.game-end-buttons {
  display: flex; gap: 12px; justify-content: center; margin-top: 24px; flex-wrap: wrap;
}

/* ===================================================================
   Round 2: Profile / Proposal / Enhanced visuals
   =================================================================== */

/* === Form Modal === */
.form-modal-overlay { z-index: 9500; }
.form-modal {
  max-width: 520px; width: 90vw;
  max-height: 88vh; overflow-y: auto;
  padding: 28px;
}
.form-modal-title {
  font-size: 1.4rem; font-weight: 800;
  margin: 0 0 6px 0;
  background: var(--brand-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.form-modal-sub {
  color: var(--text-muted); font-size: 0.9rem;
  margin: 0 0 18px 0;
}
.form-modal-error {
  background: rgba(239,132,92,0.12); color: var(--vi-coral);
  border: 1px solid rgba(239,132,92,0.3);
  padding: 10px 14px; border-radius: 10px;
  font-size: 0.88rem; margin-bottom: 14px;
}
.form-modal-body { display: flex; flex-direction: column; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
  font-size: 0.88rem; font-weight: 600;
  color: var(--text-primary);
}
.form-field label .required { color: var(--vi-coral); }
.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field input[type="password"],
.form-field textarea,
.form-field select {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--border-light); border-radius: 10px;
  font-size: 0.95rem; font-family: inherit;
  background: white; color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0,175,236,0.12);
}
.form-field textarea { resize: vertical; min-height: 70px; }
.form-hint {
  font-size: 0.78rem; color: var(--text-muted);
  text-align: right;
}
.form-count { font-weight: 600; color: var(--brand); }

/* Checkbox grid */
.checkbox-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 8px;
}
.checkbox-chip {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--border-light);
  cursor: pointer; font-size: 0.9rem;
  transition: all 0.2s;
  user-select: none;
}
.checkbox-chip input { margin: 0; cursor: pointer; }
.checkbox-chip:has(input:checked) {
  background: rgba(0,175,236,0.08);
  border-color: var(--brand); color: var(--brand);
  font-weight: 600;
}
.form-modal-actions {
  display: flex; gap: 10px; justify-content: flex-end;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.form-modal-actions .btn { min-width: 96px; }

/* === Profile Banner (home) === */
.profile-banner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 18px; margin: 12px 20px 0;
  background: linear-gradient(90deg, rgba(255,215,0,0.15), rgba(86,184,121,0.1));
  border: 1px solid rgba(255,215,0,0.3);
  border-radius: 14px; font-size: 0.92rem;
  animation: slideDown 0.4s ease-out;
}
.profile-banner-text { color: var(--text-primary); }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Topbar user-name clickable === */
.topbar-right .user-name {
  cursor: pointer; padding: 4px 10px;
  border-radius: 8px; transition: background 0.2s;
}
.topbar-right .user-name:hover { background: rgba(0,175,236,0.08); }

/* === Profile view (modal) === */
.profile-view {
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--border-light);
}
.profile-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.93rem;
}
.profile-row .k { color: var(--text-muted); }
.profile-row .v { font-weight: 600; color: var(--text-primary); text-align: right; }

/* === Proposal Entry (home) === */
.proposal-entry {
  margin: 20px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(110,96,168,0.08), rgba(239,132,92,0.06));
  border: 1px dashed rgba(110,96,168,0.3);
  border-radius: 16px;
}
.proposal-entry-inner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.proposal-entry-icon { font-size: 2.5rem; line-height: 1; }
.proposal-entry-text { flex: 1; min-width: 200px; }
.proposal-entry-text h3 {
  margin: 0 0 4px 0; font-size: 1.1rem;
  color: var(--vi-purple);
}
.proposal-entry-text p {
  margin: 0; font-size: 0.85rem; color: var(--text-muted);
}
.proposal-entry-compact {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; padding: 18px 20px; margin: 16px 20px 32px;
  background: rgba(110,96,168,0.06);
  border-radius: 12px; font-size: 0.9rem;
  color: var(--text-muted);
}
.btn-link {
  background: none; border: none; color: var(--brand);
  font-weight: 600; cursor: pointer; font-size: 0.92rem;
  padding: 4px 10px;
}
.btn-link:hover { text-decoration: underline; }

/* === My Proposals === */
.my-proposals-list {
  display: flex; flex-direction: column; gap: 12px;
  padding: 16px 20px;
}
.my-proposal-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 16px 18px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.my-proposal-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.my-proposal-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; margin-bottom: 8px;
}
.my-proposal-head h3 {
  margin: 0; font-size: 1.05rem; color: var(--text-primary);
}
.my-proposal-rule {
  margin: 6px 0; font-size: 0.9rem;
  color: var(--text-secondary); line-height: 1.5;
}
.my-proposal-meta {
  display: flex; gap: 12px; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--text-muted);
  margin-top: 8px;
}
.my-proposal-admin-note {
  margin-top: 10px; padding: 10px 12px;
  background: rgba(0,175,236,0.06);
  border-left: 3px solid var(--brand);
  border-radius: 6px;
  font-size: 0.86rem; color: var(--text-secondary);
}

/* === Proposal Status Badges (shared) === */
.proposal-status-badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 12px; font-size: 0.72rem;
  font-weight: 700; white-space: nowrap;
}
.proposal-status-badge.pending { background: rgba(255,193,7,0.15); color: #B8860B; }
.proposal-status-badge.adopted { background: rgba(86,184,121,0.18); color: var(--vi-green); }
.proposal-status-badge.considering { background: rgba(0,175,236,0.15); color: var(--brand); }
.proposal-status-badge.rejected { background: rgba(107,114,128,0.15); color: #6B7280; }

/* === Empty State === */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { margin: 0 0 16px; font-size: 0.95rem; }

/* === Celebrate emoji (ended phase) === */
body[data-phase="ended"] .game-end-screen h2 {
  animation: celebratePop 0.8s cubic-bezier(0.25, 1.5, 0.5, 1);
}
@keyframes celebratePop {
  0% { transform: scale(0.3) rotate(-10deg); opacity: 0; }
  60% { transform: scale(1.15) rotate(3deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
body[data-phase="ended"] .game-end-stat {
  animation: statFadeIn 0.4s ease-out both;
}
body[data-phase="ended"] .game-end-stat:nth-child(1) { animation-delay: 0.3s; }
body[data-phase="ended"] .game-end-stat:nth-child(2) { animation-delay: 0.5s; }
body[data-phase="ended"] .game-end-stat:nth-child(3) { animation-delay: 0.7s; }
@keyframes statFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Projector mode: enhanced dark visuals === */
[data-view="projector"] .profile-banner { background: rgba(255,215,0,0.08); border-color: rgba(255,215,0,0.3); color: var(--text-primary); }
[data-view="projector"] .proposal-entry,
[data-view="projector"] .proposal-entry-compact { background: var(--bg-card); border-color: rgba(255,255,255,0.1); color: var(--text-secondary); }
[data-view="projector"] .my-proposal-card { background: var(--bg-card); border-color: rgba(255,255,255,0.1); color: var(--text-primary); }
[data-view="projector"] .my-proposal-head h3,
[data-view="projector"] .my-proposal-rule { color: var(--text-primary); }

/* Projector: enhanced timer urgent + final-three */
[data-view="projector"] .timer-number.urgent { font-size: 13rem; }
[data-view="projector"] .timer-number.final-three {
  font-size: 18rem !important;
  text-shadow: 0 0 40px rgba(255,82,82,0.8);
  animation: timerPoundProjector 0.5s ease-out;
}
@keyframes timerPoundProjector {
  0% { transform: scale(0.7); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* === Form modal in projector (rare, but keep readable) === */
[data-view="projector"] .form-modal { background: var(--bg-card); color: var(--text-primary); }
[data-view="projector"] .form-field label { color: var(--text-primary); }
[data-view="projector"] .form-field input[type="text"],
[data-view="projector"] .form-field input[type="tel"],
[data-view="projector"] .form-field input[type="email"],
[data-view="projector"] .form-field input[type="password"],
[data-view="projector"] .form-field textarea,
[data-view="projector"] .form-field select {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-primary);
}
[data-view="projector"] .checkbox-chip { border-color: rgba(255,255,255,0.15); color: var(--text-primary); }
[data-view="projector"] .profile-view { border-color: rgba(255,255,255,0.1); }
[data-view="projector"] .profile-row { border-color: rgba(255,255,255,0.08); }
[data-view="projector"] .profile-row .k { color: var(--text-secondary); }

/* Mobile responsive */
@media (max-width: 600px) {
  .proposal-entry-inner { flex-direction: column; text-align: center; }
  .proposal-entry-text { text-align: center; }
  .profile-banner { flex-direction: column; align-items: stretch; gap: 8px; }
  .form-modal { padding: 20px; width: 94vw; }
  .checkbox-grid { grid-template-columns: repeat(2, 1fr); }
}