/* ═══════════════════════════════════════════
   MATH DROP — Styles  v2.0
   ═══════════════════════════════════════════ */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0a0e1a;
  --bg-light: #141829;
  --bg-card: #1a1f36;
  --cyan: #00e5ff;
  --magenta: #ff2d75;
  --yellow: #ffd000;
  --green: #00ff88;
  --orange: #ff8c00;
  --purple: #b44dff;
  --text: #ffffff;
  --text-dim: #7b8ab8;
  --danger: #ff3b3b;
}

html, body {
  height: 100%;
  overflow: hidden;
  position: fixed;
  width: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Orbitron', 'SF Mono', 'Fira Code', monospace;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* ── Screens ─────────────────────────────── */
.screen {
  position: fixed;
  inset: 0;
  display: none;
  flex-direction: column;
  z-index: 1;
}
.screen.active { display: flex; }

/* ── Background Glow ─────────────────────── */
.bg-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,229,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(255,45,117,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(180,77,255,0.05) 0%, transparent 40%);
  pointer-events: none;
}

/* ═══ Title Screen ═══════════════════════════ */
#screen-title {
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 10;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.title-content {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
  position: relative;
  z-index: 2;
  padding: 1.5rem 1rem;
  max-width: 440px;
  width: 100%;
}

.game-title {
  font-size: clamp(2.8rem, 11vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.1;
  margin-bottom: 0.2rem;
  background: linear-gradient(135deg, var(--cyan) 0%, #66b3ff 50%, var(--magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px rgba(0,229,255,0.25));
  animation: titlePulse 3s ease-in-out infinite;
}
.game-title span {
  background: linear-gradient(135deg, var(--magenta) 0%, var(--orange) 50%, var(--yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.65rem, 2.2vw, 0.9rem);
  font-weight: 400;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.high-score {
  font-size: 0.8rem;
  color: var(--yellow);
  margin-bottom: 1rem;
  min-height: 1.1em;
  opacity: 0.9;
}

/* ── Player Bar ──────────────────────────── */
#player-bar {
  margin-bottom: 0.8rem;
}

.player-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 30px;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  color: var(--text);
  font-family: 'Orbitron', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-appearance: none;
}
.player-chip:hover, .player-chip:active {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.06);
}
#current-avatar { font-size: 1.2rem; }
.chip-arrow { font-size: 0.6rem; color: var(--text-dim); margin-left: 0.2rem; }

/* ── Grade Selector ──────────────────────── */
#grade-selector {
  margin-bottom: 0.6rem;
}
.grade-label {
  font-size: 0.55rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}
#grade-cards {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}
.grade-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.45rem 0.6rem;
  border-radius: 10px;
  border: 1.5px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 58px;
  -webkit-appearance: none;
  font-family: 'Orbitron', monospace;
  color: var(--text);
}
.grade-card:hover {
  border-color: var(--gc, var(--cyan));
  background: rgba(255,255,255,0.04);
}
.grade-card.selected {
  border-color: var(--gc, var(--cyan));
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 12px rgba(var(--gc, 0,229,255), 0.15);
  transform: scale(1.05);
}
.gc-emoji { font-size: 1.1rem; margin-bottom: 2px; }
.gc-name { font-size: 0.5rem; font-weight: 700; letter-spacing: 0.05em; white-space: nowrap; }
.gc-ages { font-size: 0.45rem; color: var(--text-dim); font-weight: 400; }

/* ═══ Players Screen ═════════════════════════ */
#screen-players {
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 12;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.players-content {
  max-width: 400px;
  width: 90%;
  text-align: center;
  position: relative;
  z-index: 2;
}
.players-content h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

#players-list {
  margin-bottom: 1rem;
}
.player-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.8rem;
  margin-bottom: 6px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1.5px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: all 0.2s ease;
}
.player-row:hover, .player-row:active {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.player-row.active {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.04);
}
.pr-left { display: flex; align-items: center; gap: 0.6rem; }
.pr-avatar { font-size: 1.6rem; }
.pr-info { text-align: left; }
.pr-name { font-size: 0.8rem; font-weight: 700; }
.pr-stats { font-size: 0.55rem; color: var(--text-dim); font-weight: 400; margin-top: 2px; }
.pr-actions { display: flex; gap: 6px; }
.pr-btn {
  width: 32px; height: 32px;
  border: none; border-radius: 8px;
  background: rgba(255,255,255,0.05);
  cursor: pointer;
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
  -webkit-appearance: none;
}
.pr-btn:hover { background: rgba(255,255,255,0.12); }

/* ═══ Add/Edit Player Screen ═════════════════ */
#screen-add-player {
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 14;
}
.add-player-content {
  max-width: 380px;
  width: 90%;
  text-align: center;
  position: relative;
  z-index: 2;
}
.add-player-content h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

#avatar-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 1rem;
}
.avatar-opt {
  width: 44px; height: 44px;
  border: 2px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
  font-size: 1.4rem;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex; align-items: center; justify-content: center;
  -webkit-appearance: none;
}
.avatar-opt:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); }
.avatar-opt.selected {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.1);
  transform: scale(1.1);
  box-shadow: 0 0 12px rgba(0,229,255,0.2);
}

.name-input-wrap {
  margin-bottom: 1rem;
}
#player-name-input {
  width: 100%;
  max-width: 260px;
  padding: 0.7rem 1rem;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  color: white;
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
}
#player-name-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(0,229,255,0.15);
}
#player-name-input::placeholder {
  color: var(--text-dim);
  font-weight: 400;
}

/* ── Buttons ─────────────────────────────── */
.btn-primary, .btn-secondary {
  display: block;
  width: 240px;
  margin: 0.5rem auto;
  padding: 0.85rem 2rem;
  border: none;
  border-radius: 50px;
  font-family: 'Orbitron', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.08em;
  -webkit-appearance: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--purple), var(--magenta));
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
  color: white;
  box-shadow: 0 4px 20px rgba(0,229,255,0.25), 0 4px 40px rgba(255,45,117,0.15);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 30px rgba(0,229,255,0.35), 0 6px 50px rgba(255,45,117,0.25);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  border: 1.5px solid rgba(255,255,255,0.1);
}
.btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,229,255,0.05);
  transform: translateY(-1px);
}

.btn-icon {
  position: fixed;
  top: 12px; right: 12px;
  z-index: 30;
  width: 40px; height: 40px;
  border: none; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
  -webkit-appearance: none;
}
.btn-icon:hover { background: rgba(255,255,255,0.12); }

/* ═══ Game Screen ════════════════════════════ */
#screen-game { background: var(--bg); }

#game-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 6px;
  z-index: 5;
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  flex-shrink: 0;
}
#hud-lives {
  font-size: 1.2rem;
  min-width: 90px;
  transition: transform 0.15s ease;
  line-height: 1;
}
#hud-lives.hit { animation: shake 0.4s ease; }
#hud-center { text-align: center; flex: 1; max-width: 200px; }
#hud-level {
  font-size: 0.7rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  margin-bottom: 4px;
  white-space: nowrap;
}
#level-progress {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
#level-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  border-radius: 2px;
  transition: width 0.4s cubic-bezier(0.22,1,0.36,1);
  width: 0%;
}
#hud-score {
  font-size: 1.1rem;
  color: var(--yellow);
  text-align: right;
  min-width: 90px;
  transition: transform 0.12s ease;
}
#hud-score.bump { transform: scale(1.25); }

/* ── Canvas ──────────────────────────────── */
#game-canvas {
  flex: 1;
  width: 100%;
  display: block;
  min-height: 0;
}

/* ── Combo Display ───────────────────────── */
#combo-display {
  position: fixed;
  top: 45%; left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-weight: 900;
  pointer-events: none;
  z-index: 6;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  text-shadow: 0 0 30px currentColor, 0 0 60px currentColor;
  letter-spacing: 0.05em;
}
#combo-display.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* ── Input Area & Numpad ─────────────────── */
#input-area {
  padding: 6px 10px 10px;
  z-index: 5;
  background: rgba(10,14,26,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255,255,255,0.04);
  flex-shrink: 0;
}
#answer-display {
  text-align: center;
  padding: 8px 16px;
  margin-bottom: 6px;
  min-height: 38px;
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  font-family: 'Orbitron', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
#answer-text:empty + #answer-cursor { opacity: 0.25; }
#answer-cursor {
  color: var(--cyan);
  font-weight: 400;
  animation: cursorBlink 1s step-end infinite;
  margin-left: 1px;
}
@keyframes cursorBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
#answer-display.correct {
  border-color: var(--green) !important;
  box-shadow: 0 0 20px rgba(0,255,136,0.25) !important;
  background: rgba(0,255,136,0.06) !important;
}
#answer-display.wrong {
  border-color: var(--danger) !important;
  box-shadow: 0 0 20px rgba(255,59,59,0.25) !important;
  background: rgba(255,59,59,0.06) !important;
  animation: shake 0.4s ease;
}
#numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  max-width: 320px;
  margin: 0 auto;
}
.nk {
  height: 46px;
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  color: white;
  font-family: 'Orbitron', monospace;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-appearance: none;
  transition: all 0.1s ease;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.nk:active {
  transform: scale(0.93);
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
}
.nk-neg { color: var(--cyan); border-color: rgba(0,229,255,0.15); }
.nk-neg:active { background: rgba(0,229,255,0.12); border-color: rgba(0,229,255,0.4); }
.nk-del { color: var(--orange); border-color: rgba(255,140,0,0.15); font-size: 1.2rem; }
.nk-del:active { background: rgba(255,140,0,0.12); border-color: rgba(255,140,0,0.4); }
.nk-go {
  grid-column: 1 / -1;
  height: 48px;
  background: linear-gradient(135deg, rgba(0,229,255,0.15), rgba(180,77,255,0.15), rgba(255,45,117,0.15));
  border-color: rgba(0,229,255,0.3);
  color: var(--cyan);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-shadow: 0 0 12px rgba(0,229,255,0.4);
}
.nk-go:active {
  transform: scale(0.97);
  background: linear-gradient(135deg, rgba(0,229,255,0.3), rgba(180,77,255,0.3), rgba(255,45,117,0.3));
  border-color: rgba(0,229,255,0.6);
  box-shadow: 0 0 20px rgba(0,229,255,0.15);
}

/* ── Level Splash ────────────────────────── */
#level-splash {
  position: fixed; inset: 0;
  display: none; align-items: center; justify-content: center; flex-direction: column;
  z-index: 20;
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
}
#level-splash.visible { display: flex; }
.splash-level {
  font-size: clamp(3rem, 14vw, 6rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: popIn 0.5s cubic-bezier(0.17,0.67,0.28,1.4);
  filter: drop-shadow(0 0 30px rgba(0,229,255,0.3));
}
.splash-name {
  font-size: clamp(0.9rem, 3.5vw, 1.3rem);
  color: var(--text-dim);
  margin-top: 0.3rem;
  letter-spacing: 0.15em;
  animation: fadeIn 0.5s ease 0.2s both;
}

/* ═══ Game Over Screen ═══════════════════════ */
#screen-gameover {
  align-items: center; justify-content: center;
  background: var(--bg);
  z-index: 15;
}
.gameover-content {
  text-align: center;
  animation: fadeInUp 0.6s ease-out;
  max-width: 420px; width: 90%;
  position: relative; z-index: 2;
}
.gameover-content h2 {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 900;
  margin-bottom: 1rem;
}
.gameover-content h2.loss { color: var(--danger); text-shadow: 0 0 30px rgba(255,59,59,0.3); }
.gameover-content h2.win {
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(255,208,0,0.3));
}
#final-score {
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 900;
  color: var(--yellow);
  margin-bottom: 0.8rem;
  text-shadow: 0 0 20px rgba(255,208,0,0.2);
}
#final-stats {
  color: var(--text-dim);
  margin-bottom: 1.2rem;
  line-height: 1.9;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}
#badges-earned { margin-bottom: 1.2rem; }
.badge-earned-item {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  margin: 0.25rem;
  background: rgba(255,208,0,0.08);
  border: 1px solid rgba(255,208,0,0.2);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--yellow);
}
.new-high-score {
  color: var(--yellow);
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 0.5rem;
  animation: pulse 1s ease-in-out infinite;
}

/* ═══ Badges Screen ══════════════════════════ */
#screen-badges {
  align-items: center;
  justify-content: flex-start;
  padding: 2rem 1rem;
  background: var(--bg);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 12;
}
.badges-content { max-width: 550px; width: 100%; }
.badges-content h2 { text-align: center; margin-bottom: 1.5rem; font-size: 1.3rem; font-weight: 700; }
#badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 1.5rem;
}
.badge-card {
  padding: 1rem 0.8rem;
  border-radius: 14px;
  background: var(--bg-light);
  border: 1px solid rgba(255,255,255,0.04);
  text-align: center;
  transition: all 0.2s ease;
}
.badge-card.unlocked { border-color: rgba(255,208,0,0.25); background: rgba(255,208,0,0.04); }
.badge-card.locked { opacity: 0.35; filter: grayscale(0.8); }
.badge-icon { font-size: 2rem; margin-bottom: 0.4rem; }
.badge-name { font-size: 0.65rem; font-weight: 700; margin-bottom: 0.25rem; color: var(--text); letter-spacing: 0.05em; }
.badge-desc { font-size: 0.6rem; font-weight: 400; color: var(--text-dim); line-height: 1.3; }

/* ── Badge Notification Toast ────────────── */
#badge-notification {
  position: fixed;
  top: 70px; right: -320px;
  width: 280px;
  padding: 0.9rem 1rem;
  background: rgba(20,24,41,0.95);
  border: 1px solid rgba(255,208,0,0.3);
  border-radius: 14px;
  z-index: 50;
  transition: right 0.5s cubic-bezier(0.17,0.67,0.28,1.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px rgba(255,208,0,0.08);
}
#badge-notification.visible { right: 12px; }
.badge-notif-header { font-size: 0.55rem; color: var(--yellow); letter-spacing: 0.2em; margin-bottom: 0.4rem; font-weight: 700; }
.badge-notif-content { display: flex; align-items: center; gap: 0.6rem; }
.badge-notif-icon { font-size: 1.6rem; }
.badge-notif-name { font-weight: 700; font-size: 0.8rem; }
.badge-notif-desc { font-size: 0.65rem; color: var(--text-dim); font-weight: 400; }

/* ═══ Animations ═════════════════════════════ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes popIn { 0% { transform: scale(0); opacity: 0; } 70% { transform: scale(1.08); } 100% { transform: scale(1); opacity: 1; } }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(-6px); } 30% { transform: translateX(6px); }
  45% { transform: translateX(-4px); } 60% { transform: translateX(4px); }
  75% { transform: translateX(-2px); } 90% { transform: translateX(2px); }
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes titlePulse { 0%, 100% { filter: drop-shadow(0 0 40px rgba(0,229,255,0.25)); } 50% { filter: drop-shadow(0 0 60px rgba(0,229,255,0.4)); } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

/* ═══ Mobile ═════════════════════════════════ */
@media (max-width: 480px) {
  .title-content { padding: 1rem 0.8rem; }
  .game-title { margin-bottom: 0.1rem; }
  .subtitle { margin-bottom: 0.5rem; }
  #game-hud { padding: 8px 10px 4px; }
  #hud-lives { font-size: 1rem; min-width: 70px; }
  #hud-score { font-size: 0.95rem; min-width: 70px; }
  #hud-level { font-size: 0.6rem; }
  #answer-display { font-size: 1.3rem; padding: 6px 12px; min-height: 34px; }
  #input-area { padding: 4px 8px 8px; }
  .nk { height: 42px; font-size: 1.05rem; }
  .nk-go { height: 44px; }
  .btn-primary, .btn-secondary { width: 200px; padding: 0.75rem 1.5rem; font-size: 0.8rem; }
  #badge-notification { width: 240px; }
  .badge-notif-icon { font-size: 1.3rem; }
  #badges-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
  .grade-card { min-width: 52px; padding: 0.35rem 0.45rem; }
  .gc-emoji { font-size: 1rem; }
  .gc-name { font-size: 0.45rem; }
  .avatar-opt { width: 38px; height: 38px; font-size: 1.2rem; }
}

/* Safe areas for notched phones */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  #input-area { padding-bottom: calc(8px + env(safe-area-inset-bottom)); }
  #game-hud { padding-top: calc(8px + env(safe-area-inset-top)); }
  #screen-title { padding-top: env(safe-area-inset-top); }
}