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

:root {
  --bg:       #f5ede0;
  --surface:  #fffdf8;
  --surface2: #ede5d8;
  --border:   #ddd0bc;
  --text:     #1e1510;
  --muted:    #9a8878;
  --primary:  #7c3aed;
  --primary2: #6d28d9;
  --success:  #059669;
  --danger:   #dc2626;
  --warn:     #d97706;

  --cat-numbers:    #2563eb;
  --cat-movies:     #d97706;
  --cat-technology: #059669;
  --cat-music:      #db2777;
  --cat-sports:     #ea580c;
  --cat-general:    #4f46e5;
  --cat-mix:        #7c3aed;
  --cat-custom:     #0d9488;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.12);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* ── Typography ───────────────────────────────────────── */
h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 800; letter-spacing: -1px; }
h2 { font-size: clamp(1.3rem, 4vw, 1.8rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--muted); }

/* ── Layout ───────────────────────────────────────────── */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.screen {
  display: none;
  flex: 1;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 1rem;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}
.screen.active { display: flex; }

.container {
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1rem;
}

/* ── Cards & Surfaces ─────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, opacity 0.15s, box-shadow 0.15s;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.btn:active { transform: scale(0.96); }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(124,58,237,0.3);
}
.btn-primary:hover { background: var(--primary2); box-shadow: 0 6px 20px rgba(124,58,237,0.4); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary2); }

.btn-success {
  background: var(--success);
  color: #fff;
  box-shadow: 0 4px 16px rgba(16,185,129,0.35);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: 8px;
}

.btn-icon {
  padding: 0.6rem;
  border-radius: 50%;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  font-size: 1.1rem;
  line-height: 1;
}
.btn-icon:hover { background: var(--border); }

/* ── Inputs ───────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.input:focus { border-color: var(--primary); }
.input::placeholder { color: var(--muted); }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.form-group { margin-bottom: 1.2rem; }

select.input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── HOME SCREEN ─────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-home {
  justify-content: flex-start;
  gap: 1rem;
  padding: 0.75rem 1.25rem 1rem;
}

/* Top bar */
.home-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.home-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

/* ── Logo Animation ─────────────────────────────────── */
.logo-emoji {
  display: inline-block;
  font-size: 1.5rem;
  line-height: 1;
  animation: brainPulse 3s ease-in-out infinite;
  will-change: transform, filter;
}

@keyframes brainPulse {
  0%   { transform: scale(1) rotate(0deg);    filter: drop-shadow(0 0 0px rgba(124,58,237,0)); }
  12%  { transform: scale(1.3) rotate(-12deg); filter: drop-shadow(0 0 10px rgba(124,58,237,0.8)); }
  24%  { transform: scale(1) rotate(5deg);     filter: drop-shadow(0 0 4px rgba(168,85,247,0.4)); }
  36%  { transform: scale(1.12) rotate(-3deg); filter: drop-shadow(0 0 7px rgba(124,58,237,0.6)); }
  50%  { transform: scale(1) rotate(0deg);     filter: drop-shadow(0 0 0px rgba(124,58,237,0)); }
  100% { transform: scale(1) rotate(0deg);     filter: drop-shadow(0 0 0px rgba(124,58,237,0)); }
}

.logo-text {
  background: linear-gradient(90deg, #7c3aed 0%, #a855f7 20%, #ec4899 45%, #f59e0b 65%, #a855f7 80%, #7c3aed 100%);
  background-size: 250% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoShimmer 3s linear infinite;
}

@keyframes logoShimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 250% center; }
}

.logo-sparkle {
  display: inline-block;
  font-size: 0.9rem;
  animation: sparkleRotate 2s ease-in-out infinite;
  will-change: transform, opacity;
}

@keyframes sparkleRotate {
  0%, 100% { transform: scale(0.7) rotate(0deg);   opacity: 0.4; }
  25%       { transform: scale(1.3) rotate(30deg);  opacity: 1;   }
  50%       { transform: scale(0.9) rotate(15deg);  opacity: 0.7; }
  75%       { transform: scale(1.1) rotate(-10deg); opacity: 0.9; }
}
.home-mute-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.35rem 0.7rem;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--muted);
  transition: background 0.2s;
}
.home-mute-btn:hover { background: var(--surface2); }

/* Hero */
.home-hero {
  text-align: center;
  padding: 0.5rem 0 0;
}

.home-title {
  font-size: clamp(1.8rem, 7vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 0.4rem;
  line-height: 1.15;
}

.home-sub {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Action buttons */
.home-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.btn-create-hero,
.btn-join-hero {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-align: left;
  transition: transform 0.15s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.btn-create-hero:active,
.btn-join-hero:active { transform: scale(0.97); }

.btn-create-hero {
  background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
  box-shadow: 0 6px 20px rgba(124,58,237,0.3);
  color: #fff;
}
.btn-join-hero {
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.btn-join-hero:hover { border-color: var(--primary); }

.btn-hero-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.15);
  border-radius: 12px;
}
.btn-join-hero .btn-hero-icon { background: var(--surface2); }

.btn-hero-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.btn-hero-title { font-size: 1rem; font-weight: 700; line-height: 1.2; }
.btn-hero-sub   { font-size: 0.78rem; opacity: 0.6; }
.btn-hero-arrow { font-size: 1.2rem; opacity: 0.5; flex-shrink: 0; }

/* Categories section */
.home-cats-section { }

.home-cats-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.category-preview {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}
.category-preview::-webkit-scrollbar { display: none; }

.cat-chip {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
  transition: border-color 0.2s;
  cursor: default;
}
.cat-chip:hover { border-color: var(--cat-color, var(--primary)); }
.cat-chip-emoji { font-size: 1.3rem; }
.cat-chip-name  { font-size: 0.68rem; color: var(--muted); white-space: nowrap; }

/* Footer */
.home-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}
.home-quizzes-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0;
  transition: color 0.2s;
}
.home-quizzes-btn:hover { color: var(--text); }
.home-footer-sep { opacity: 0.4; }
.home-footer-link { color: var(--muted); text-decoration: none; }
.home-footer-link:hover { color: var(--text); }

/* Scores next button — always visible */
/* Connection status pill */
.conn-status {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
  margin-left: auto;
}
.conn-status[data-status="connected"]    { color: var(--success); border-color: var(--success); background: color-mix(in srgb, var(--success) 10%, var(--surface)); }
.conn-status[data-status="disconnected"] { color: var(--danger);  border-color: var(--danger);  background: color-mix(in srgb, var(--danger)  10%, var(--surface)); }
.conn-status[data-status="error"]        { color: var(--danger);  border-color: var(--danger);  background: color-mix(in srgb, var(--danger)  10%, var(--surface)); }

.scores-next-sticky {
  position: sticky;
  bottom: 1rem;
  margin-top: 1rem;
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── CREATE SCREEN ────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-create {
  gap: 1rem;
  padding-top: 1.5rem;
}

.screen-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.cat-btn {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}
.cat-btn:hover { border-color: var(--primary); background: var(--surface2); }
.cat-btn.selected { border-color: var(--cat-color); background: color-mix(in srgb, var(--cat-color) 15%, var(--surface)); }
.cat-btn .cat-emoji { font-size: 1.5rem; display: block; margin-bottom: 0.3rem; }
.cat-btn .cat-name { font-size: 0.9rem; font-weight: 600; }

.options-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── JOIN SCREEN ──────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-join {
  justify-content: center;
  gap: 1.5rem;
  padding-top: 3rem;
}

.code-input {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  padding: 1rem;
}

.join-hint {
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── LOBBY SCREEN ─────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-lobby {
  gap: 1rem;
  padding-top: 1.5rem;
}

.room-code-display {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.room-code-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.room-code-value {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 0.3em;
  color: var(--primary2);
  font-variant-numeric: tabular-nums;
}

.room-code-hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.share-btn {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.75rem;
}

.players-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.player-count-badge {
  background: var(--primary);
  color: white;
  border-radius: 50px;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.players-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 80px;
}

.player-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  animation: slideIn 0.3s ease;
}

.player-avatar {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: 50%;
  flex-shrink: 0;
}

.player-name { font-weight: 600; flex: 1; }
.player-host-badge {
  font-size: 0.7rem;
  background: var(--primary);
  color: white;
  border-radius: 50px;
  padding: 0.15rem 0.5rem;
  font-weight: 700;
}

.lobby-waiting {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem;
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── NAME SCREEN ──────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-name {
  justify-content: center;
  gap: 1.5rem;
  padding-top: 3rem;
}

.emoji-picker {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.emoji-opt {
  font-size: 1.8rem;
  padding: 0.4rem;
  cursor: pointer;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
  background: none;
}
.emoji-opt.selected { border-color: var(--primary); background: var(--surface2); }
.emoji-opt:hover { border-color: var(--border); }

/* ── ══════════════════════════════════════════════════ ── */
/* ── GAME SCREEN ──────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-game {
  gap: 0;
  padding: 0;
  max-width: 100%;
  background: var(--bg);
}

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.game-progress {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

.game-score {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--warn);
}

.timer-wrap {
  position: relative;
  width: 52px;
  height: 52px;
}

.timer-svg {
  transform: rotate(-90deg);
  width: 52px;
  height: 52px;
}

.timer-track {
  fill: none;
  stroke: var(--border);
  stroke-width: 4;
}

.timer-bar {
  fill: none;
  stroke: var(--primary2);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 138;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 0.5s;
}
.timer-bar.urgent { stroke: var(--danger); }

.timer-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}

.progress-bar-wrap {
  height: 4px;
  background: var(--border);
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
  transition: width 0.4s;
}

.question-area {
  padding: 1rem 1.25rem 0.5rem;
}

.question-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  background: var(--surface);
  border-radius: 50px;
  border: 1px solid var(--border);
}

.question-text {
  font-size: clamp(1rem, 3.5vw, 1.3rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 0;
}

.answers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem 1.5rem;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
}

.answer-btn {
  padding: 1rem 0.75rem;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
  width: 100%;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.3;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}
.answer-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.15s;
}
.answer-btn:active::before { opacity: 0.08; }
.answer-btn:not(:disabled):hover {
  border-color: var(--primary);
  background: var(--surface2);
}
.answer-btn:disabled { cursor: default; }

.answer-btn.selected {
  border-color: var(--primary2);
  background: color-mix(in srgb, var(--primary) 20%, var(--surface));
  color: var(--primary2);
}
.answer-btn.correct {
  border-color: var(--success);
  background: color-mix(in srgb, var(--success) 20%, var(--surface));
  color: var(--success);
}
.answer-btn.wrong {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 20%, var(--surface));
  color: var(--danger);
  opacity: 0.8;
}
.answer-btn.reveal-correct {
  border-color: var(--success) !important;
  background: color-mix(in srgb, var(--success) 30%, var(--surface)) !important;
  color: var(--success) !important;
  animation: pulseCorrect 0.5s ease;
}

@keyframes pulseCorrect {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.answer-letter {
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 22px;
  text-align: center;
  margin-right: 0.4rem;
  flex-shrink: 0;
}

/* Player count for host */
.player-answers-bar {
  padding: 0.5rem 1.25rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.pab-label { font-size: 0.8rem; color: var(--muted); margin-right: 0.25rem; }
.pab-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s;
}
.pab-dot.answered { background: var(--success); }

/* Waiting overlay */
.waiting-overlay {
  position: fixed;
  inset: 0;
  background: rgba(245,237,224,0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 50;
  backdrop-filter: blur(6px);
}
.waiting-overlay.hidden { display: none; }
.waiting-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary2);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── ══════════════════════════════════════════════════ ── */
/* ── SCOREBOARD SCREEN ────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-scores {
  gap: 0.75rem;
  padding-top: 1.25rem;
  align-items: stretch;
  overflow-y: auto;
}

.scores-header { text-align: center; }
.score-change {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  text-align: center;
}
.score-change.got-it { background: color-mix(in srgb, var(--success) 20%, var(--surface)); color: var(--success); }
.score-change.missed { background: color-mix(in srgb, var(--danger) 20%, var(--surface)); color: var(--danger); }

.leaderboard {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lb-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.lb-item.lb-me {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
}

.lb-rank {
  font-size: 1.1rem;
  font-weight: 800;
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.lb-avatar { font-size: 1.4rem; }
.lb-name { flex: 1; font-weight: 600; }
.lb-score {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--warn);
}
.lb-delta {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--success);
  min-width: 32px;
  text-align: right;
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── END SCREEN ───────────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-end {
  align-items: center;
  gap: 1rem;
  text-align: center;
  padding-top: 2rem;
}

.winner-trophy { font-size: 5rem; animation: bounce 1s ease infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-12px) scale(1.05); }
}

.winner-name { font-size: 1.6rem; font-weight: 800; color: var(--warn); }
.winner-sub { color: var(--muted); }

.final-lb { width: 100%; }

/* ── ══════════════════════════════════════════════════ ── */
/* ── BUILDER SCREEN ───────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-builder {
  gap: 1rem;
  padding-top: 1.5rem;
}

.my-quizzes { display: flex; flex-direction: column; gap: 0.5rem; }

.quiz-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}
.quiz-item-name { flex: 1; font-weight: 600; }
.quiz-item-count { font-size: 0.8rem; color: var(--muted); }

/* ── ══════════════════════════════════════════════════ ── */
/* ── EDIT QUIZ SCREEN ─────────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
#screen-edit-quiz {
  gap: 1rem;
  padding-top: 1.5rem;
}

.question-editor {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.question-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.option-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.option-letter {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  color: var(--muted);
}

.option-correct-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: all 0.15s;
  color: var(--muted);
}
.option-correct-btn.active {
  border-color: var(--success);
  background: var(--success);
  color: white;
}

/* ── ══════════════════════════════════════════════════ ── */
/* ── ANIMATIONS & UTILS ───────────────────────────────── */
/* ── ══════════════════════════════════════════════════ ── */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-up { animation: slideUp 0.35s ease; }

.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--muted); }

.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }

/* ── Countdown overlay ────────────────────────────────── */
.countdown-overlay {
  position: fixed;
  inset: 0;
  background: rgba(245,237,224,0.95);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.countdown-overlay.hidden { display: none; }
.countdown-number {
  font-size: 8rem;
  font-weight: 900;
  color: var(--primary2);
  animation: countPulse 0.8s ease;
  line-height: 1;
}
.countdown-label { color: var(--muted); font-size: 1.1rem; margin-top: 0.5rem; }
@keyframes countPulse {
  0%   { transform: scale(1.4); opacity: 0; }
  40%  { transform: scale(1); opacity: 1; }
  80%  { transform: scale(1); opacity: 1; }
  100% { transform: scale(0.8); opacity: 0; }
}

/* Confetti canvas */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
}

/* ── Toast ────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  z-index: 300;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }

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