/* BF Ratio Bot — Dark BF-style theme */

:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #111520;
  --bg-card: #161c2a;
  --bg-card-hover: #1e2640;
  --border: #2a3550;
  --accent: #e8a000;
  --accent-dim: #a06c00;
  --text-primary: #e8eaf0;
  --text-secondary: #8892a8;
  --text-muted: #505870;
  --kd-gold: #ffd700;
  --kd-green: #4caf50;
  --kd-blue: #4a90e2;
  --kd-red: #e53935;
  --kd-grey: #8892a8;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Consolas', 'Cascadia Code', monospace;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font);
  min-height: 100vh;
  line-height: 1.6;
}

/* Animated background grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 160, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 160, 0, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Header */
header {
  background: linear-gradient(135deg, #0d1220 0%, #111827 100%);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: relative;
  overflow: hidden;
}

header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  font-size: 28px;
  filter: drop-shadow(0 0 8px rgba(232, 160, 0, 0.6));
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--accent);
}

.header-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all 0.2s;
}

.header-nav a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Main content */
main {
  padding: 40px 0;
}

/* Section title */
.section-header {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 14px;
  background: var(--accent);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Leaderboard table */
.leaderboard {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-card);
}

.leaderboard thead tr {
  background: #0e1422;
  border-bottom: 1px solid var(--border);
}

.leaderboard th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.leaderboard th.center { text-align: center; }

.leaderboard tbody tr {
  border-bottom: 1px solid rgba(42, 53, 80, 0.5);
  transition: background 0.15s;
}

.leaderboard tbody tr:last-child { border-bottom: none; }

.leaderboard tbody tr:hover {
  background: var(--bg-card-hover);
}

.leaderboard td {
  padding: 14px 16px;
  font-size: 0.9rem;
  vertical-align: middle;
}

.leaderboard td.center { text-align: center; }

.rank {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  width: 40px;
}

.rank-1 { color: var(--kd-gold); font-weight: 700; }
.rank-2 { color: #c0c0c0; font-weight: 600; }
.rank-3 { color: #cd7f32; font-weight: 600; }

.player-name {
  font-weight: 600;
  color: var(--text-primary);
}

.player-link {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.player-link:hover { color: var(--accent); }

.platform-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(42, 53, 80, 0.8);
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-left: 8px;
  vertical-align: middle;
}

.kd-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.kd-gold  { color: var(--kd-gold); }
.kd-green { color: var(--kd-green); }
.kd-blue  { color: var(--kd-blue); }
.kd-red   { color: var(--kd-red); }
.kd-grey  { color: var(--kd-grey); }

.stat-small {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.time-ago {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.no-session {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Cards (player sessions) */
.sessions-grid {
  display: grid;
  gap: 12px;
}

.session-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.2s;
}

.session-card:hover { border-color: var(--accent-dim); }

.session-kd {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  min-width: 70px;
  text-align: center;
}

.session-details {
  flex: 1;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.session-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.session-stat-label {
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.session-stat-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Forms */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 12px;
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.form-input,
.form-select {
  background: #0e1422;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font);
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent);
}

.form-select option {
  background: #0e1422;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover { background: #ffb800; }

.btn-danger {
  background: transparent;
  color: var(--kd-red);
  border: 1px solid var(--kd-red);
}
.btn-danger:hover { background: rgba(229, 57, 53, 0.1); }

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--text-secondary); color: var(--text-primary); }

.btn-small {
  padding: 5px 10px;
  font-size: 0.78rem;
}

.btn-icon { font-size: 1rem; }

/* Admin player table actions */
.action-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.active-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.active-badge.active {
  background: rgba(76, 175, 80, 0.15);
  color: var(--kd-green);
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.active-badge.inactive {
  background: rgba(80, 88, 112, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Login page */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
}

.login-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.login-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.alert-error {
  background: rgba(229, 57, 53, 0.1);
  border: 1px solid rgba(229, 57, 53, 0.3);
  color: #ef9a9a;
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .leaderboard th:nth-child(n+5),
  .leaderboard td:nth-child(n+5) {
    display: none;
  }

  .header-inner { flex-wrap: wrap; }
}