/* leaderboard.css — Leaderboard page styles */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Exo+2:wght@300;400;600;700&display=swap');

/* ── Top bar ─────────────────────────────────────────────────────────────── */
.lb-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lb-back-btn {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  backdrop-filter: blur(8px);
}

.lb-back-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.06);
}

/* ── Page container ──────────────────────────────────────────────────────── */
.lb-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5rem 1rem 3rem;
  gap: 1.5rem;
  max-width: 700px;
  margin: 0 auto;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.lb-hero {
  text-align: center;
  animation: lbFadeUp 0.6s both;
}

.lb-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 900;
  letter-spacing: 0.2em;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 60%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.35));
  line-height: 1;
}

.lb-subtitle {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(0.78rem, 2vw, 0.95rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* ── Difficulty tabs ─────────────────────────────────────────────────────── */
.lb-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: lbFadeUp 0.6s 0.1s both;
}

.lb-tab {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.5rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 50px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s, transform 0.12s;
}

.lb-tab:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.lb-tab.active {
  color: #000;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
}

/* ── Rank info bar ───────────────────────────────────────────────────────── */
.lb-rank-info {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  min-height: 1.4rem;
  animation: lbFadeUp 0.6s 0.15s both;
}

.lb-rank-info strong { color: var(--accent-cyan); }

/* ── Header row ──────────────────────────────────────────────────────────── */
.lb-header-row {
  display: grid;
  grid-template-columns: 56px 36px 1fr auto;
  gap: 0.5rem;
  align-items: center;
  width: 100%;
  padding: 0 0.75rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  text-transform: uppercase;
  animation: lbFadeUp 0.6s 0.2s both;
}

/* ── Leaderboard list ────────────────────────────────────────────────────── */
.lb-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  animation: lbFadeUp 0.6s 0.25s both;
}

/* ── Single row ──────────────────────────────────────────────────────────── */
.lb-row {
  display: grid;
  grid-template-columns: 56px 36px 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.7rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  transition: background 0.15s, border-color 0.15s, transform 0.12s;
}

.lb-row:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateX(3px);
}

.lb-row-me {
  border-color: rgba(0, 212, 255, 0.4);
  background: rgba(0, 212, 255, 0.06);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.12);
}

/* ── Rank cell ───────────────────────────────────────────────────────────── */
.lb-rank {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}

.lb-rank-normal { color: var(--text-secondary); }

/* Gold/silver/bronze glow for top 3 */
.lb-rank-top.lb-rank-1 { font-size: 1.1rem; }
.lb-rank-top.lb-rank-2 { font-size: 1rem; }
.lb-rank-top.lb-rank-3 { font-size: 1rem; }

/* ── Avatar ──────────────────────────────────────────────────────────────── */
.lb-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.lb-avatar-default {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-card);
  font-size: 0.9rem;
}

/* ── Name ────────────────────────────────────────────────────────────────── */
.lb-name {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-you-badge {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 4px;
  padding: 0.1rem 0.3rem;
  margin-left: 0.35rem;
  vertical-align: middle;
}

/* ── Time ────────────────────────────────────────────────────────────────── */
.lb-time {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ── Loading spinner ─────────────────────────────────────────────────────── */
.lb-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  padding: 3rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: 'Exo 2', sans-serif;
}

.lb-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: lbSpin 0.75s linear infinite;
}

@keyframes lbSpin {
  to { transform: rotate(360deg); }
}

/* ── Empty / error state ─────────────────────────────────────────────────── */
.lb-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
  font-family: 'Exo 2', sans-serif;
  font-size: 0.88rem;
  line-height: 1.7;
}

.lb-empty strong { color: var(--text-primary); }

/* ── Animations ──────────────────────────────────────────────────────────── */
@keyframes lbFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .lb-header-row,
  .lb-row {
    grid-template-columns: 44px 30px 1fr auto;
    gap: 0.35rem;
    padding: 0.6rem 0.5rem;
  }

  .lb-avatar { width: 28px; height: 28px; }
  .lb-name   { font-size: 0.8rem; }
  .lb-time   { font-size: 0.78rem; }
}

/* ── Leaderboards button on main menu ────────────────────────────────────── */
.leaderboard-section {
  animation: fadeUp 0.6s 0.4s both;
}

#leaderboard-btn {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 50px;
  padding: 0.6rem 2rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s, transform 0.12s, box-shadow 0.12s;
  backdrop-filter: blur(8px);
}

#leaderboard-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.06);
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.2);
}