/* ================================================
   DATA DASH — Global Stylesheet
   Cyberpunk Neon Theme
   ================================================ */

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

:root {
  --bg:           #060610;
  --bg2:          #0d0d20;
  --bg3:          #12122a;
  --neon-blue:    #00d4ff;
  --neon-orange:  #ff6b00;
  --neon-purple:  #8b5cf6;
  --neon-green:   #00ff88;
  --lane-blue:    #378ADD;
  --lane-orange:  #EF9F27;
  --text:         #e8e8ff;
  --text-dim:     rgba(232,232,255,0.5);
  --border:       rgba(139,92,246,0.3);
  --glow-blue:    0 0 20px rgba(0,212,255,0.4);
  --glow-purple:  0 0 20px rgba(139,92,246,0.5);
  --glow-orange:  0 0 20px rgba(255,107,0,0.4);
  --radius:       16px;
  --radius-sm:    10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; user-select: none; }

html, body {
  width: 100%; height: 100%; min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  overflow-x: hidden;
}

/* ─── SCANLINE OVERLAY ─── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
}

/* ─── ANIMATED GRID BACKGROUND ─── */
.grid-bg {
  position: fixed; inset: 0; z-index: 0; overflow: hidden;
  background:
    linear-gradient(rgba(139,92,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: gridMove 20s linear infinite;
}
.grid-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(139,92,246,0.15) 0%, transparent 70%);
}
@keyframes gridMove {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 0 40px, 0 40px; }
}

/* ─── PAGE WRAPPER ─── */
.page {
  position: relative; z-index: 1;
  min-height: 100dvh;
  display: flex; flex-direction: column; align-items: center;
  padding: 20px 16px 40px;
}

/* ─── LOGO ─── */
.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: #fff;
  text-shadow: 0 0 30px rgba(0,212,255,0.6), 0 0 60px rgba(139,92,246,0.3);
  line-height: 1;
}
.logo span { color: var(--neon-blue); }
.logo-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 4px;
  font-family: 'Rajdhani', sans-serif;
}

/* ─── CARD ─── */
.card {
  background: rgba(13,13,32,0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 420px;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
}

/* ─── BUTTONS ─── */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 14px 20px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff; border: none; border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.2s;
  text-decoration: none;
  text-align: center;
  position: relative; overflow: hidden;
}
.btn:active { transform: scale(0.96); }
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0; transition: opacity 0.2s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--neon-purple), #6d28d9);
  box-shadow: 0 4px 24px rgba(139,92,246,0.5);
}
.btn-blue {
  background: linear-gradient(135deg, #0ea5e9, #0369a1);
  box-shadow: 0 4px 24px rgba(14,165,233,0.4);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
}
.btn-danger {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  box-shadow: 0 4px 24px rgba(239,68,68,0.4);
}
.btn-sm {
  width: auto; padding: 8px 16px;
  font-size: 0.75rem;
}

/* ─── INPUT ─── */
.input-wrap {
  position: relative; margin-bottom: 16px;
}
.input-label {
  display: block;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em;
  color: var(--neon-purple); text-transform: uppercase;
  margin-bottom: 8px;
}
.input-field {
  width: 100%; padding: 14px 16px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem; font-weight: 700;
  letter-spacing: 0.08em;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-align: center;
}
.input-field:focus {
  border-color: var(--neon-purple);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.2);
}
.input-field::placeholder { color: rgba(232,232,255,0.2); font-size: 0.85rem; }

/* ─── AVATAR GRID ─── */
.avatar-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  margin: 16px 0;
}
.avatar-opt {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  background: rgba(0,0,0,0.3);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}
.avatar-opt:hover { border-color: var(--neon-purple); transform: scale(1.05); }
.avatar-opt.selected {
  border-color: var(--neon-blue);
  background: rgba(0,212,255,0.1);
  box-shadow: 0 0 16px rgba(0,212,255,0.3);
}

/* ─── STAT BADGE ─── */
.stat-row {
  display: flex; gap: 10px; margin: 12px 0;
}
.stat-box {
  flex: 1; text-align: center;
  padding: 12px 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.stat-val {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem; font-weight: 900;
  color: var(--neon-blue);
}
.stat-label {
  font-size: 0.65rem; font-weight: 700;
  color: var(--text-dim); text-transform: uppercase;
  letter-spacing: 0.1em; margin-top: 4px;
}

/* ─── DIVIDER ─── */
.divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--text-dim); font-size: 0.75rem;
  font-weight: 700; letter-spacing: 0.1em;
  margin: 16px 0;
}
.divider::before, .divider::after {
  content: ''; flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ─── ALERT ─── */
.alert {
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600;
  display: none; margin-bottom: 12px;
}
.alert.show { display: block; }
.alert-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.4); color: #fca5a5; }
.alert-success { background: rgba(0,255,136,0.1); border: 1px solid rgba(0,255,136,0.3); color: #6ee7b7; }

/* ─── NAV ─── */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 420px; margin-bottom: 24px;
}
.nav-logo { font-family: 'Orbitron', sans-serif; font-size: 1.1rem; font-weight: 900; }
.nav-logo span { color: var(--neon-blue); }

/* ─── LEADERBOARD TABLE ─── */
.lb-table { width: 100%; border-collapse: collapse; }
.lb-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.2s;
}
.lb-row:hover { background: rgba(139,92,246,0.05); }
.lb-row.me {
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius-sm);
}
.lb-rank {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem; font-weight: 900;
  color: var(--text-dim); text-align: center;
}
.lb-rank.gold   { color: #fbbf24; text-shadow: 0 0 10px rgba(251,191,36,0.5); }
.lb-rank.silver { color: #94a3b8; }
.lb-rank.bronze { color: #cd7f32; }
.lb-user { display: flex; align-items: center; gap: 10px; }
.lb-avatar { font-size: 1.5rem; line-height: 1; }
.lb-name { font-weight: 700; font-size: 0.95rem; }
.lb-sub { font-size: 0.7rem; color: var(--text-dim); }
.lb-score {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem; font-weight: 900;
  color: var(--neon-blue); text-align: right;
}

/* ─── TAB SWITCHER ─── */
.tabs { display: flex; gap: 4px; background: rgba(0,0,0,0.3); padding: 4px; border-radius: var(--radius-sm); }
.tab {
  flex: 1; padding: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--text-dim);
  background: transparent; border: none;
  border-radius: 6px; cursor: pointer;
  transition: all 0.2s;
}
.tab.active {
  background: var(--neon-purple);
  color: #fff;
  box-shadow: 0 2px 12px rgba(139,92,246,0.4);
}

/* ─── LOADING ─── */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid rgba(139,92,246,0.2);
  border-top-color: var(--neon-purple);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 20px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── FADE IN ─── */
.fade-in { animation: fadeIn 0.4s ease forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* ─── PULSE ─── */
@keyframes pulse { 0%,100% { opacity: 0.7; } 50% { opacity: 1; } }
.pulse { animation: pulse 2s infinite; }

/* ─── RESPONSIVE ─── */
@media (min-width: 480px) {
  .page { padding: 30px 24px 60px; }
}