/* RIOT GAMES INSPIRED THEME - Clean & Modern */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

body {
  font-family: 'Inter', 'Segoe UI', -apple-system, sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
  min-height: 100vh;
}

/* Main Layout - Sidebar + Content */
.container {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: auto 1fr;
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 32px;
  min-height: 100vh;
}

/* Header spans full width */
.container > h1 {
  grid-column: 1 / -1;
  margin-bottom: 8px;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #c8102e;
  margin-bottom: 5px;
}

h2 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#refresh-all-btn {
  padding: 10px 16px;
  background: #c8102e;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

#refresh-all-btn:hover {
  background: #a00d25;
  box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
}

#refresh-all-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
  box-shadow: none;
}

#refresh-all-btn.loading {
  background: #888;
}

.last-updated {
  font-size: 0.7rem;
  color: #888;
  text-align: center;
}

/* Sidebar - Player Cards */
.player-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 260px);
  overflow-y: auto;
  padding-right: 8px;
}

.player-cards::-webkit-scrollbar {
  width: 4px;
}

.player-cards::-webkit-scrollbar-track {
  background: #e0e0e0;
  border-radius: 2px;
}

.player-cards::-webkit-scrollbar-thumb {
  background: #c8102e;
  border-radius: 2px;
}

.player-card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-left: 4px solid;
  border-radius: 8px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.player-card:hover {
  background: #fafafa;
  border-color: #ccc;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.player-card .player-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.player-card .player-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1a1a1a;
}

.player-card .lp-change {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.player-card .lp-up {
  color: #2e7d32;
  background: rgba(46, 125, 50, 0.1);
}

.player-card .lp-down {
  color: #c8102e;
  background: rgba(200, 16, 46, 0.1);
}

.player-card .player-region {
  font-size: 0.75rem;
  color: #888;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}


.player-card .rank-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.player-card .rank-icon {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex-shrink: 0;
}

.player-card .rank-badge {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.65rem;
  text-align: center;
  line-height: 1.2;
  flex-shrink: 0;
}

.player-card .rank-details {
  flex: 1;
}

.player-card .rank-tier {
  font-size: 0.8rem;
  font-weight: 500;
  color: #333;
}

.player-card .rank-lp {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1a1a1a;
}

.player-card .rank-record {
  font-size: 0.7rem;
  color: #888;
  margin-top: 2px;
}

/* Rank Badge Colors */
.rank-iron { background: linear-gradient(135deg, #5a5a5a, #7a7a7a); color: #fff; }
.rank-bronze { background: linear-gradient(135deg, #8b5a2b, #cd7f32); color: #fff; }
.rank-silver { background: linear-gradient(135deg, #8a9197, #b8c5cc); color: #1a1a1a; }
.rank-gold { background: linear-gradient(135deg, #c9a227, #f0d050); color: #1a1a1a; }
.rank-platinum { background: linear-gradient(135deg, #25a08a, #4dd9b4); color: #1a1a1a; }
.rank-emerald { background: linear-gradient(135deg, #1e9e5c, #3cc47c); color: #fff; }
.rank-diamond { background: linear-gradient(135deg, #576ace, #8b9ff0); color: #fff; }
.rank-master { background: linear-gradient(135deg, #8b45a0, #b86bc8); color: #fff; }
.rank-grandmaster { background: linear-gradient(135deg, #c43b3b, #e86464); color: #fff; }
.rank-challenger { background: linear-gradient(135deg, #f4c542, #f8e080); color: #1a1a1a; }
.rank-unranked { background: #e5e5e5; color: #888; }

/* Chart Section */
.chart-section {
  grid-column: 2;
  display: flex;
  flex-direction: column;
}

#chart-container {
  flex: 1;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 24px;
  min-height: 500px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  position: relative;
}

#view-toggle-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 6px 14px;
  background: #fff;
  color: #666;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

#view-toggle-btn:hover {
  background: #f5f5f5;
  border-color: #ccc;
  color: #333;
}

#view-toggle-btn.active {
  background: #c8102e;
  color: #fff;
  border-color: #c8102e;
}

#view-toggle-btn.active:hover {
  background: #a00d25;
}


/* Timeline Controls */
.timeline-controls {
  margin-top: 16px;
  padding: 0 10px;
}

#timeline-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: #e0e0e0;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

#timeline-slider:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

#timeline-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 60px;
  height: 16px;
  background: #c8102e;
  border-radius: 4px;
  cursor: grab;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#timeline-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  background: #a00d25;
}

#timeline-slider::-moz-range-thumb {
  width: 60px;
  height: 16px;
  background: #c8102e;
  border-radius: 4px;
  cursor: grab;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.timeline-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: #888;
  margin-top: 6px;
}

.chart-note {
  text-align: center;
  color: #999;
  font-size: 0.75rem;
  margin-top: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Loading State */
.loading {
  opacity: 0.5;
  pointer-events: none;
}

/* Error Message */
.error-message {
  grid-column: 1 / -1;
  background: #fff5f5;
  border: 1px solid #c8102e;
  color: #c8102e;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 500;
}

/* Responsive */
@media (max-width: 900px) {
  .container {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .player-cards {
    flex-direction: row;
    flex-wrap: wrap;
    max-height: none;
  }

  .player-card {
    flex: 1 1 240px;
  }

  .chart-section {
    grid-column: 1;
  }

  #chart-container {
    min-height: 400px;
  }
}