/* ═══════════════════════════════════════════════════════════════
   CUBE RUNNER v2 — style.css
   Dark minimalist theme · all new UI components
════════════════════════════════════════════════════════════════ */

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

:root {
  --bg:          #0d0d0f;
  --surface:     #16161a;
  --surface-2:   #1e1e24;
  --border:      #2a2a35;
  --accent:      #6c63ff;
  --accent-glow: rgba(108,99,255,0.45);
  --accent-2:    #ff6584;
  --accent-3:    #43e97b;   /* green – power-up / missions */
  --accent-4:    #f7971e;   /* orange – combo */
  --text:        #e8e8f0;
  --text-muted:  #7a7a9a;
  --font:        'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius:      12px;
  --tr:          0.3s cubic-bezier(0.4,0,0.2,1);
}

/* Accessibility override */
body.accessible {
  --accent-2: #ff3333;
  --accent:   #00cfff;
}

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

/* ── Game Container ───────────────────────────────────────── */
#game-container { position: relative; width: 100vw; height: 100vh; display: flex; align-items: center; justify-content: center; }
#game-canvas    { display: block; background: var(--bg); }

/* ── HUD ──────────────────────────────────────────────────── */
#hud {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 28px;
  background: rgba(22,22,26,0.85); border: 1px solid var(--border);
  border-radius: 50px; padding: 8px 28px;
  backdrop-filter: blur(8px); pointer-events: none; z-index: 10;
}
.hud-label { display: block; font-size: 9px; font-weight: 700; letter-spacing: .12em; color: var(--text-muted); text-align: center; text-transform: uppercase; }
#hud-score, #hud-combo, #hud-speed, #hud-best { display: flex; flex-direction: column; align-items: center; min-width: 44px; }
#hud-score-value, #hud-combo-value, #hud-speed-value, #hud-best-value { font-size: 17px; font-weight: 800; color: var(--text); letter-spacing: .04em; line-height: 1.2; }
#hud-score-value { color: var(--accent); }
#hud-combo-value { color: var(--accent-4); }
#hud-speed-value { color: var(--accent-2); }

/* ── Power-up Bar ─────────────────────────────────────────── */
#powerup-bar {
  position: absolute; top: 72px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; pointer-events: none; z-index: 10;
}
.pu-indicator {
  display: flex; align-items: center; gap: 6px;
  background: rgba(22,22,26,0.9); border: 1px solid var(--border);
  border-radius: 50px; padding: 4px 12px;
  font-size: 12px; font-weight: 700;
  animation: pu-in 0.3s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes pu-in { from { transform: scale(0.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.pu-indicator .pu-icon { font-size: 14px; }
.pu-indicator .pu-timer { color: var(--text-muted); font-size: 11px; min-width: 22px; text-align: right; }
.pu-shield  { border-color: #43e97b; color: #43e97b; }
.pu-slow    { border-color: #4facfe; color: #4facfe; }
.pu-magnet  { border-color: #f7971e; color: #f7971e; }
.pu-ghost   { border-color: #c471ed; color: #c471ed; }

/* ── Mobile Jump Button ───────────────────────────────────── */
#mobile-jump-btn {
  position: absolute; bottom: 32px; right: 32px;
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(108,99,255,0.15); border: 2px solid var(--accent);
  color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .1em;
  cursor: pointer; display: none; align-items: center; justify-content: center;
  z-index: 10; transition: background var(--tr), transform 0.1s; user-select: none;
}
#mobile-jump-btn:active { background: rgba(108,99,255,0.35); transform: scale(0.93); }

/* ── Overlay Base ─────────────────────────────────────────── */
.overlay {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  z-index: 100; background: rgba(13,13,15,0.88); backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none; transition: opacity var(--tr);
}
.overlay.active { opacity: 1; pointer-events: all; }

/* ── Overlay Card ─────────────────────────────────────────── */
.overlay-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 36px 44px; text-align: center; max-width: 440px; width: 92%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.04);
  animation: card-in 0.4s cubic-bezier(0.34,1.56,0.64,1) both;
  max-height: 92vh; overflow-y: auto;
}
@keyframes card-in { from { transform: translateY(24px) scale(0.96); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }

/* ── Logo ─────────────────────────────────────────────────── */
.logo { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 6px; }
.logo-cube { width: 34px; height: 34px; background: var(--accent); border-radius: 6px; box-shadow: 0 0 20px var(--accent-glow); animation: cube-float 2.4s ease-in-out infinite; }
@keyframes cube-float { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-6px) rotate(8deg); } }
.logo h1 { font-size: 30px; font-weight: 900; letter-spacing: .08em; }
.logo h1 span { color: var(--accent); }
.tagline { font-size: 13px; color: var(--text-muted); margin-bottom: 18px; }

/* ── Difficulty Row ───────────────────────────────────────── */
.difficulty-row { display: flex; gap: 8px; justify-content: center; margin-bottom: 16px; }
.diff-btn {
  flex: 1; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-muted);
  font-family: var(--font); font-size: 11px; font-weight: 800; letter-spacing: .08em;
  cursor: pointer; transition: all var(--tr);
}
.diff-btn.active, .diff-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 0 12px var(--accent-glow); }
.diff-btn[data-diff="hard"].active    { background: var(--accent-4); border-color: var(--accent-4); box-shadow: 0 0 12px rgba(247,151,30,0.4); }
.diff-btn[data-diff="nightmare"].active { background: var(--accent-2); border-color: var(--accent-2); box-shadow: 0 0 12px rgba(255,101,132,0.4); }

/* ── Controls Hint ────────────────────────────────────────── */
.controls-hint {
  display: inline-block; background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 14px; font-size: 11px; color: var(--text-muted);
  margin-bottom: 20px; letter-spacing: .05em;
}

/* ── Button Row ───────────────────────────────────────────── */
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }

/* ── Toggle Row ───────────────────────────────────────────── */
.toggle-row { display: flex; justify-content: center; gap: 12px; margin-top: 6px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface-2); font-size: 18px; cursor: pointer;
  transition: background var(--tr), transform 0.1s;
}
.icon-btn:hover  { background: var(--border); }
.icon-btn:active { transform: scale(0.9); }
.icon-btn.active { background: var(--accent); border-color: var(--accent); }

/* ── Countdown ────────────────────────────────────────────── */
#countdown-screen { background: rgba(13,13,15,0.6); }
.countdown-number {
  font-size: 140px; font-weight: 900; color: var(--accent);
  text-shadow: 0 0 60px var(--accent-glow);
  animation: count-pop 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes count-pop { from { transform: scale(2); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ── Pause ────────────────────────────────────────────────── */
.pause-title { font-size: 28px; font-weight: 900; letter-spacing: .1em; color: var(--accent); margin-bottom: 8px; }
.pause-score { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.pause-score span { color: var(--accent); font-weight: 800; }

/* ── Game Over ────────────────────────────────────────────── */
.gameover-title { font-size: 28px; font-weight: 900; letter-spacing: .1em; color: var(--accent-2); margin-bottom: 20px; text-shadow: 0 0 20px rgba(255,101,132,0.4); }
.score-display  { display: flex; gap: 10px; justify-content: center; margin-bottom: 14px; flex-wrap: wrap; }
.score-item     { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 18px; min-width: 90px; }
.score-label    { display: block; font-size: 10px; font-weight: 700; letter-spacing: .14em; color: var(--text-muted); margin-bottom: 4px; }
.score-value    { font-size: 26px; font-weight: 900; color: var(--accent); }

/* TIME stat — full-width accent row */
.score-item-time {
  flex: 0 0 100%;
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(135deg, rgba(67,233,123,0.10) 0%, rgba(0,198,251,0.08) 100%);
  border-color: rgba(67,233,123,0.35);
  padding: 10px 22px;
  min-width: unset;
  position: relative; overflow: hidden;
}
.score-item-time::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, #43e97b, #00c6fb);
  border-radius: 4px 0 0 4px;
}
.score-item-time .score-label {
  margin-bottom: 0; font-size: 11px; letter-spacing: .16em; color: #43e97b;
}
.score-value-time {
  font-size: 28px; font-weight: 900;
  background: linear-gradient(90deg, #43e97b, #00c6fb);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: .04em;
  animation: time-glow 2s ease-in-out infinite alternate;
}
@keyframes time-glow {
  from { filter: drop-shadow(0 0 4px rgba(67,233,123,0.5)); }
  to   { filter: drop-shadow(0 0 12px rgba(0,198,251,0.7)); }
}
.new-record     { background: linear-gradient(135deg,var(--accent),var(--accent-2)); color:#fff; font-size:11px; font-weight:800; letter-spacing:.14em; border-radius:50px; padding:4px 16px; display:inline-block; margin-bottom:12px; animation:pulse 1s ease-in-out infinite alternate; }
@keyframes pulse { from { box-shadow: 0 0 8px var(--accent-glow); } to { box-shadow: 0 0 20px var(--accent-glow); } }
.new-record.hidden { display: none; }

/* ── Missions Completed Flash ─────────────────────────────── */
.missions-completed { margin-bottom: 12px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.missions-completed.hidden { display: none; }
.mc-badge { background: rgba(67,233,123,0.15); border: 1px solid var(--accent-3); color: var(--accent-3); font-size: 11px; font-weight: 700; border-radius: 50px; padding: 3px 12px; }

/* ═══════════════════════════════════════════════════════════
   ACHIEVEMENT BADGES  —  top-of-card, bold, high-contrast
══════════════════════════════════════════════════════════ */
.achievement-badges {
  /* Stretch edge-to-edge across the card top, outside normal padding */
  margin: -36px -44px 22px -44px;
  padding: 20px 24px 18px;
  background: linear-gradient(135deg, #1a1040 0%, #0e0e1a 60%, #1a0a2e 100%);
  border-bottom: 2px solid rgba(108,99,255,0.35);
  border-radius: 18px 18px 0 0;
  position: relative;
  overflow: hidden;
}
/* Animated shimmer bar across the top edge */
.achievement-badges::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 300%; height: 3px;
  background: linear-gradient(90deg,
    transparent 0%,
    #cd7f32 15%, #c0c0c0 30%, #ffd700 45%,
    #6c63ff 60%, #43e97b 75%,
    transparent 100%);
  animation: ach-shimmer 3s linear infinite;
}
@keyframes ach-shimmer {
  from { transform: translateX(0); }
  to   { transform: translateX(33.33%); }
}
.achievement-badges.hidden { display: none; }

/* Header row */
.achievement-badges-title {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 11px; font-weight: 900; letter-spacing: .18em;
  text-transform: uppercase; margin-bottom: 14px;
  color: #fff;
}
.achievement-badges-title::before,
.achievement-badges-title::after {
  content: '';
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
}

/* Badge grid */
.achievement-badges-grid {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
}

/* Individual badge card */
.ach-badge {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  border-radius: 14px; padding: 12px 14px; min-width: 80px; max-width: 96px;
  border: 2px solid transparent;
  position: relative; overflow: hidden;
  animation: ach-pop 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
  cursor: default;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ach-badge:hover { transform: translateY(-3px) scale(1.04); }

/* Tier-specific backgrounds & borders */
.ach-badge.tier-bronze {
  background: linear-gradient(145deg, #2b1a0a, #1a0e05);
  border-color: #cd7f32;
  box-shadow: 0 0 18px rgba(205,127,50,0.55), inset 0 1px 0 rgba(205,127,50,0.2);
}
.ach-badge.tier-silver {
  background: linear-gradient(145deg, #1e1e2a, #131320);
  border-color: #c0c0c0;
  box-shadow: 0 0 18px rgba(192,192,192,0.45), inset 0 1px 0 rgba(192,192,192,0.15);
}
.ach-badge.tier-gold {
  background: linear-gradient(145deg, #2a1f00, #1a1200);
  border-color: #ffd700;
  box-shadow: 0 0 22px rgba(255,215,0,0.65), inset 0 1px 0 rgba(255,215,0,0.25);
}
.ach-badge.tier-special {
  background: linear-gradient(145deg, #1a0e30, #0d0820);
  border-color: #a78bfa;
  box-shadow: 0 0 24px rgba(167,139,250,0.7), inset 0 1px 0 rgba(167,139,250,0.25);
}

/* Gloss overlay */
.ach-badge::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 45%;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, transparent 100%);
  border-radius: 12px 12px 0 0; pointer-events: none;
}

/* Icon — large and vivid */
.ach-icon {
  font-size: 28px; line-height: 1;
  filter: drop-shadow(0 0 6px currentColor);
}

/* Badge name — bold white */
.ach-name {
  font-size: 10px; font-weight: 900; color: #fff;
  letter-spacing: .06em; text-align: center; line-height: 1.2;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}

/* Short description */
.ach-desc {
  font-size: 8.5px; text-align: center; line-height: 1.3;
  color: rgba(255,255,255,0.55);
}

/* Tier pill */
.ach-tier {
  font-size: 8px; font-weight: 900; letter-spacing: .14em;
  text-transform: uppercase; padding: 2px 8px;
  border-radius: 50px; margin-top: 2px;
}
.ach-badge.tier-bronze .ach-tier { background: rgba(205,127,50,0.25); color: #f0a050; border: 1px solid rgba(205,127,50,0.5); }
.ach-badge.tier-silver .ach-tier { background: rgba(192,192,192,0.2);  color: #e0e0e0; border: 1px solid rgba(192,192,192,0.4); }
.ach-badge.tier-gold   .ach-tier { background: rgba(255,215,0,0.2);    color: #ffe040; border: 1px solid rgba(255,215,0,0.5); }
.ach-badge.tier-special .ach-tier { background: rgba(167,139,250,0.2); color: #c4b5fd; border: 1px solid rgba(167,139,250,0.5); }

/* Pop-in animation with stagger support */
@keyframes ach-pop {
  0%   { transform: scale(0.5) translateY(16px); opacity: 0; }
  70%  { transform: scale(1.08) translateY(-3px); opacity: 1; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* ── Name Entry ───────────────────────────────────────────── */
.name-entry { margin-bottom: 16px; }
.name-entry label { display: block; font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; }
.name-entry input { width: 100%; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 16px; font-size: 15px; font-family: var(--font); font-weight: 600; color: var(--text); text-align: center; outline: none; transition: border-color var(--tr), box-shadow var(--tr); }
.name-entry input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.name-entry input::placeholder { color: var(--text-muted); }

/* ── Leaderboard ──────────────────────────────────────────── */
.leaderboard-card { max-width: 400px; }
.leaderboard-card h2 { font-size: 22px; font-weight: 900; letter-spacing: .1em; color: var(--accent); margin-bottom: 14px; }
.lb-tabs { display: flex; gap: 6px; justify-content: center; margin-bottom: 14px; }
.lb-tab { flex: 1; padding: 7px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-muted); font-family: var(--font); font-size: 11px; font-weight: 700; cursor: pointer; transition: all var(--tr); }
.lb-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
#leaderboard-list { list-style: none; margin-bottom: 18px; max-height: 280px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
#leaderboard-list li { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; margin-bottom: 5px; background: var(--surface-2); border: 1px solid var(--border); }
#leaderboard-list li .rank { font-size: 13px; font-weight: 800; color: var(--text-muted); width: 22px; text-align: center; flex-shrink: 0; }
#leaderboard-list li:nth-child(1) .rank { color: #ffd700; }
#leaderboard-list li:nth-child(2) .rank { color: #c0c0c0; }
#leaderboard-list li:nth-child(3) .rank { color: #cd7f32; }
#leaderboard-list li .lb-name  { flex: 1; font-size: 13px; font-weight: 600; color: var(--text); text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#leaderboard-list li .lb-score { font-size: 14px; font-weight: 800; color: var(--accent); }
#leaderboard-list li .lb-diff  { font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
#leaderboard-list li .lb-date  { font-size: 10px; color: var(--text-muted); flex-shrink: 0; }
.lb-empty { color: var(--text-muted); font-size: 14px; padding: 20px 0; text-align: center; }

/* ── Missions ─────────────────────────────────────────────── */
.missions-subtitle { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; }
#missions-list { list-style: none; margin-bottom: 18px; max-height: 320px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
#missions-list li { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 10px; margin-bottom: 6px; background: var(--surface-2); border: 1px solid var(--border); text-align: left; }
#missions-list li .m-icon  { font-size: 20px; flex-shrink: 0; }
#missions-list li .m-body  { flex: 1; }
#missions-list li .m-title { font-size: 13px; font-weight: 700; color: var(--text); }
#missions-list li .m-desc  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
#missions-list li .m-prog  { font-size: 11px; color: var(--accent-3); font-weight: 700; flex-shrink: 0; }
#missions-list li.done     { opacity: 0.55; }
#missions-list li.done .m-prog { color: #ffd700; }

/* ── Skins ────────────────────────────────────────────────── */
#skins-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.skin-card {
  background: var(--surface-2); border: 2px solid var(--border); border-radius: 14px;
  padding: 14px 8px; cursor: pointer; transition: all var(--tr);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.skin-card:hover  { border-color: var(--accent); }
.skin-card.active { border-color: var(--accent); box-shadow: 0 0 14px var(--accent-glow); }
.skin-card.locked { opacity: 0.4; cursor: not-allowed; }
.skin-preview { width: 36px; height: 36px; border-radius: 6px; }
.skin-name  { font-size: 11px; font-weight: 700; color: var(--text); }
.skin-lock  { font-size: 16px; }
.skin-req   { font-size: 10px; color: var(--text-muted); }

/* ── Stats ────────────────────────────────────────────────── */
.stats-list { list-style: none; margin-bottom: 18px; text-align: left; }
.stats-list li { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-radius: 10px; margin-bottom: 6px; background: var(--surface-2); border: 1px solid var(--border); }
.stats-list li .s-label { font-size: 13px; color: var(--text-muted); }
.stats-list li .s-value { font-size: 14px; font-weight: 800; color: var(--accent); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn { display: block; width: 100%; padding: 12px 24px; border: none; border-radius: 12px; font-family: var(--font); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: transform 0.12s, box-shadow var(--tr), background var(--tr); margin-bottom: 8px; }
.btn:last-child { margin-bottom: 0; }
.btn:active { transform: scale(0.97); }
.btn-primary   { background: var(--accent); color: #fff; box-shadow: 0 4px 20px var(--accent-glow); }
.btn-primary:hover { background: #7d75ff; }
.btn-secondary { background: var(--surface-2); color: var(--text-muted); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); color: var(--text); }
.btn-accent    { background: linear-gradient(135deg,var(--accent-3),#00b09b); color: #fff; box-shadow: 0 4px 16px rgba(67,233,123,0.3); }
.btn-accent:hover { filter: brightness(1.1); }
.btn-reset  { background: transparent; color: var(--accent-2); border: 1px solid rgba(255,101,132,0.35); font-size: 11px; padding: 8px 24px; margin-top: 6px; opacity: 0.7; }
.btn-reset:hover { background: rgba(255,101,132,0.12); border-color: var(--accent-2); opacity: 1; }

/* ── Two-column button row inside overlay cards ───────────── */
.btn-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.btn-row-2 .btn { margin-bottom: 0; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .overlay-card { padding: 22px 16px; }
  .logo h1 { font-size: 24px; }
  .score-item { padding: 10px 12px; min-width: 76px; }
  .score-value { font-size: 22px; }
  #hud { gap: 16px; padding: 6px 16px; }
  #hud-score-value, #hud-combo-value, #hud-speed-value, #hud-best-value { font-size: 14px; }
  .btn-row { grid-template-columns: 1fr 1fr; }
  #skins-grid { grid-template-columns: repeat(3,1fr); }
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }