/* ==========================================================================
   Leaderboard Styles — Mustafa Assessment Engine
   Dark theme, cyan accents, panel backgrounds.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.mca-leaderboard {
  background: var(--mca-bg-panel, #0d1117);
  border: 1px solid var(--mca-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--mca-radius-lg, 12px);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.mca-leaderboard__tabs {
  display: flex;
  border-bottom: 1px solid var(--mca-border, rgba(255, 255, 255, 0.08));
}

.mca-leaderboard__tab {
  flex: 1;
  padding: 0.875rem 1.5rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--mca-text-secondary, #94a3b8);
  font-family: var(--mca-font, inherit);
  font-size: var(--mca-text-sm, 0.875rem);
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  text-align: center;
}

.mca-leaderboard__tab:hover {
  color: var(--mca-text-primary, #f1f5f9);
  background: rgba(255, 255, 255, 0.02);
}

.mca-leaderboard__tab.is-active {
  color: var(--mca-cyan, #00c8ff);
  border-bottom-color: var(--mca-cyan, #00c8ff);
  background: rgba(0, 200, 255, 0.04);
}

/* --------------------------------------------------------------------------
   Panel / Loading
   -------------------------------------------------------------------------- */
.mca-leaderboard__panel {
  transition: opacity 0.2s;
}

.mca-leaderboard__panel.is-loading {
  opacity: 0.5;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Table
   -------------------------------------------------------------------------- */
.mca-leaderboard__table {
  width: 100%;
  border-collapse: collapse;
}

.mca-leaderboard__table thead th {
  padding: 0.75rem 1rem;
  font-size: var(--mca-text-xs, 0.75rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mca-text-muted, #64748b);
  text-align: left;
  border-bottom: 1px solid var(--mca-border, rgba(255, 255, 255, 0.08));
}

.mca-leaderboard__table tbody tr {
  border-bottom: 1px solid var(--mca-border, rgba(255, 255, 255, 0.04));
  transition: background 0.15s;
}

.mca-leaderboard__table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

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

.mca-leaderboard__table td {
  padding: 0.75rem 1rem;
  font-size: var(--mca-text-sm, 0.875rem);
  color: var(--mca-text-secondary, #94a3b8);
  vertical-align: middle;
}

/* Current user highlight */
.mca-leaderboard__row--current {
  background: rgba(0, 200, 255, 0.06) !important;
}

.mca-leaderboard__row--current td {
  color: var(--mca-text-primary, #f1f5f9);
}

/* --------------------------------------------------------------------------
   Columns
   -------------------------------------------------------------------------- */
.mca-leaderboard__col--rank {
  width: 60px;
  text-align: center;
  font-weight: 700;
}

.mca-leaderboard__col--score {
  width: 100px;
}

.mca-leaderboard__col--score strong {
  color: var(--mca-cyan, #00c8ff);
  font-size: var(--mca-text-base, 1rem);
}

.mca-leaderboard__of {
  color: var(--mca-text-muted, #64748b);
  font-size: var(--mca-text-xs, 0.75rem);
  font-weight: 400;
}

.mca-leaderboard__col--level {
  width: 150px;
}

/* --------------------------------------------------------------------------
   User Cell
   -------------------------------------------------------------------------- */
.mca-leaderboard__user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mca-leaderboard__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mca-leaderboard__name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--mca-text-primary, #f1f5f9);
}

/* --------------------------------------------------------------------------
   Medal Badges (Top 3)
   -------------------------------------------------------------------------- */
.mca-leaderboard__medal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: var(--mca-text-xs, 0.75rem);
  font-weight: 800;
  color: #0d1117;
}

.mca-leaderboard__medal--1 {
  background: linear-gradient(135deg, #ffd700, #ffaa00);
}

.mca-leaderboard__medal--2 {
  background: linear-gradient(135deg, #c0c0c0, #a0a0a0);
}

.mca-leaderboard__medal--3 {
  background: linear-gradient(135deg, #cd7f32, #a0622e);
}

/* --------------------------------------------------------------------------
   Level Pills (Leaderboard-specific)
   -------------------------------------------------------------------------- */
.mca-pill--level-novice,
.mca-pill--level-vulnerable  { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.mca-pill--level-developing,
.mca-pill--level-at-risk     { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.mca-pill--level-defined,
.mca-pill--level-aware       { background: rgba(99, 102, 241, 0.15); color: #6366f1; }
.mca-pill--level-advanced,
.mca-pill--level-vigilant    { background: rgba(0, 200, 255, 0.15); color: #00c8ff; }
.mca-pill--level-expert,
.mca-pill--level-cyber-champion { background: rgba(16, 185, 129, 0.15); color: #10b981; }

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.mca-leaderboard__empty {
  text-align: center;
  padding: 3rem 1rem !important;
  color: var(--mca-text-muted, #64748b);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .mca-leaderboard__col--level {
    display: none;
  }

  .mca-leaderboard__table td,
  .mca-leaderboard__table th {
    padding: 0.5rem 0.5rem;
  }

  .mca-leaderboard__tab {
    padding: 0.75rem 0.75rem;
    font-size: var(--mca-text-xs, 0.75rem);
  }
}