/* ===== SPACE TYPING BATTLE — Base Styles ===== */

:root {
  --neon-blue: #38bdf8;
  --neon-pink: #f472b6;
  --neon-yellow: #facc15;
  --neon-green: #4ade80;
  --neon-purple: #a78bfa;
}

* { box-sizing: border-box; }

body.font-kanit, .font-kanit {
  font-family: 'Kanit', 'Noto Sans Thai', sans-serif;
}

.space-bg {
  background: radial-gradient(ellipse at top, #1e1b4b 0%, #0f0c29 45%, #020210 100%);
  position: relative;
  overflow-x: hidden;
}

.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.stars span {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #fff;
  border-radius: 50%;
  opacity: 0.7;
  animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.6); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.animate-float { animation: float 3s ease-in-out infinite; }

.glow-text {
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.8), 0 0 24px rgba(56, 189, 248, 0.5);
}

.glass-card {
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.2);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 1.25rem;
  box-shadow: 0 8px 32px rgba(2, 6, 23, 0.6);
}

.input-field {
  width: 100%;
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 0.75rem;
  padding: 0.7rem 1rem;
  color: #fff;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input-field:focus {
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #fff;
  font-weight: 700;
  padding: 0.85rem 1.2rem;
  border-radius: 0.85rem;
  transition: transform .12s, box-shadow .12s, filter .12s;
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform:none; }

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  color:#fff; font-weight:700; padding:0.7rem 1rem; border-radius:0.75rem;
}
.btn-secondary {
  background: rgba(148,163,184,0.15);
  border: 1px solid rgba(148,163,184,0.3);
  color:#e2e8f0; font-weight:600; padding:0.7rem 1rem; border-radius:0.75rem;
}

.tab-btn { background: rgba(15,23,42,0.4); color:#94a3b8; transition:.15s; }
.tab-active { background: linear-gradient(135deg,#0ea5e9,#6366f1); color:#fff; }

.ship-picker, .color-picker {
  display: flex; gap: .5rem; flex-wrap: wrap;
}
.ship-option {
  font-size: 1.6rem; padding: .5rem .7rem; border-radius: .75rem;
  border: 2px solid transparent; background: rgba(2,6,23,.4); cursor: pointer; transition: .12s;
}
.ship-option.selected { border-color: var(--neon-blue); background: rgba(56,189,248,.15); }
.color-option {
  width: 2.1rem; height: 2.1rem; border-radius: 9999px; cursor: pointer;
  border: 2px solid rgba(255,255,255,.2); transition: .12s;
}
.color-option.selected { border-color: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,.25); }