/* ════════════════════════════════════════════════════════════
   arcade.css — Shared design system for Game Arcade
   ════════════════════════════════════════════════════════════ */

:root {
  /* palette */
  --bg-a:       #0d0d1f;
  --bg-b:       #181040;
  --surface:    rgba(255, 255, 255, 0.05);
  --surface-hi: rgba(255, 255, 255, 0.09);
  --border:     rgba(255, 255, 255, 0.10);
  --border-hi:  rgba(255, 255, 255, 0.22);

  --gold:       #ffd700;
  --gold-glow:  rgba(255, 215, 0, 0.50);

  --p1:         #e84040;
  --p1-light:   #ff7575;
  --p1-dark:    #9e1c1c;
  --p1-glow:    rgba(232, 64, 64, 0.42);

  --p2:         #3d8bff;
  --p2-light:   #72aaff;
  --p2-dark:    #1a5acc;
  --p2-glow:    rgba(61, 139, 255, 0.42);

  --text:       #ffffff;
  --muted:      rgba(255, 255, 255, 0.42);

  /* radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  /* shadows */
  --shadow:    0 10px 36px rgba(0, 0, 0, 0.60);
  --shadow-sm: 0 4px 14px  rgba(0, 0, 0, 0.42);
}

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

/* ── Base ──────────────────────────────────────────────────── */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(160deg, var(--bg-a) 0%, var(--bg-b) 55%, var(--bg-a) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text);
}

/* ── Page wrapper ──────────────────────────────────────────── */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 20px 56px;
}

/* ── Page header ───────────────────────────────────────────── */
.page-header {
  text-align: center;
  margin-bottom: 32px;
  width: 100%;
  max-width: 960px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  transition: color 0.2s;
}
.back-link:hover { color: var(--gold); }

.page-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold);
  text-shadow: 0 0 30px var(--gold-glow);
  margin-bottom: 6px;
  line-height: 1;
}

.page-subtitle {
  font-size: 0.80rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Game layout ───────────────────────────────────────────── */
.game-layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 960px;
}

/* ── Sidebar scoreboard ────────────────────────────────────── */
.sidebar {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 12px;
  width: 148px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.player-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 8px;
  border-radius: var(--r-sm);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}

.player-slot.active {
  background: rgba(255, 255, 255, 0.10);
  transform: scale(1.04);
  box-shadow: 0 0 18px var(--gold-glow);
}

.player-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-bottom: 8px;
}

.player-swatch.p1 {
  background: radial-gradient(circle at 35% 35%, var(--p1-light), var(--p1-dark));
  border: 2px solid var(--p1-dark);
  box-shadow: 0 0 10px var(--p1-glow);
}

.player-swatch.p2 {
  background: radial-gradient(circle at 35% 35%, var(--p2-light), var(--p2-dark));
  border: 2px solid var(--p2-dark);
  box-shadow: 0 0 10px var(--p2-glow);
}

.player-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
  text-align: center;
  max-width: 116px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-slot.active .player-label { color: var(--text); }

.win-count {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

/* ── Game panel ────────────────────────────────────────────── */
.game-panel {
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Status bar ────────────────────────────────────────────── */
.status-bar {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text);
  margin-bottom: 16px;
  min-height: 32px;
  text-align: center;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

/* ── Win message ───────────────────────────────────────────── */
.win-message {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold);
  animation: glow-pulse 1.4s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
  from { text-shadow: 0 0 6px #fff, 0 0 14px var(--gold); }
  to   { text-shadow: 0 0 18px #fff, 0 0 36px var(--gold), 0 0 52px #ff8c00; }
}

/* ── Controls ──────────────────────────────────────────────── */
.controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  border: none;
  padding: 10px 22px;
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: inline-block;
}

.btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.48); }
.btn:active { transform: translateY(1px);  box-shadow: var(--shadow-sm); }

.btn-primary {
  background: linear-gradient(135deg, #ff8c00, var(--gold));
  color: #1a1200;
}

.btn-secondary {
  background: linear-gradient(135deg, var(--p2-dark), var(--p2));
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.11); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 600px) {
  .page       { padding: 24px 14px 40px; }
  .page-title { font-size: 1.9rem; letter-spacing: 3px; }

  .game-layout {
    flex-direction: column;
    align-items: stretch;
  }

  .sidebar {
    width: 100%;
    flex-direction: row;
    justify-content: space-around;
    padding: 12px;
  }

  .player-slot { margin-bottom: 0; }
}