/**
 * Stats Page Styles
 * Extends: material-design-3.css
 */

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  background: var(--md-sys-color-surface-1);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-sys-elevation-2);
  transition: var(--theme-transition), transform 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.05);
  background: var(--md-sys-color-surface-2);
}

.theme-toggle .material-icons {
  font-size: 22px;
}

.theme-toggle .icon-light { display: none; }
.theme-toggle .icon-dark { display: block; }

[data-theme="dark"] .theme-toggle .icon-light { display: block; }
[data-theme="dark"] .theme-toggle .icon-dark { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-light { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-dark { display: none; }
}

/* Page Background */
body {
  background: linear-gradient(135deg, var(--md-sys-color-surface) 0%, var(--md-sys-color-surface-1) 100%);
  min-height: 100vh;
  padding: 20px;
  transition: var(--theme-transition);
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
}

/* Header Card */
.header-card {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
  text-align: center;
  position: relative;
}

.back-link {
  position: absolute;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--md-sys-color-primary);
  text-decoration: none;
  font-size: 14px;
  transition: opacity 0.2s;
}

.back-link:hover {
  opacity: 0.8;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 600px;
  margin: 0 auto;
}

/* Content Card */
.content-card {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
}

/* Sections */
.section {
  margin-bottom: 48px;
}

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title .material-icons {
  font-size: 1.8rem;
}

/* Stats Grid - like command-card style */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  border-left: 4px solid var(--md-sys-color-primary);
}

.stat-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon .material-icons {
  font-size: 24px;
}

.stat-icon.delete {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

.stat-item.updated .stat-icon {
  background: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
}

.stat-icon.block {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

.stat-content h4 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  margin: 0 0 4px 0;
}

.stat-content p {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  margin: 0;
}

/* Chart */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

/* Tables */
.stats-table {
  width: 100%;
  border-collapse: collapse;
}

.stats-table th,
.stats-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.stats-table th {
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
}

.stats-table td {
  color: var(--md-sys-color-on-surface);
}

.stats-table code {
  background: var(--md-sys-color-surface-3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 13px;
}

.stats-table tbody tr:hover {
  background: var(--md-sys-color-surface-2);
}

/* CSS counter for rank */
.stats-table tbody {
  counter-reset: row-num;
}

.stats-table tbody tr td:first-child.rank {
  counter-increment: row-num;
}

.stats-table tbody tr td:first-child.rank::before {
  content: counter(row-num);
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.status-accepted {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

.status-pending {
  background: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
}

.status-rejected {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

/* Empty State */
.empty-state {
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
  padding: 24px;
  font-style: italic;
}

/* Responsive */
@media (max-width: 600px) {
  .header-card {
    padding: 24px;
    padding-top: 60px;
  }

  .back-link {
    top: 16px;
    left: 16px;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .content-card {
    padding: 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    padding: 16px;
  }

  .stat-content h4 {
    font-size: 1.5rem;
  }

  .stats-table th,
  .stats-table td {
    padding: 8px;
    font-size: 0.875rem;
  }

  .chart-container {
    height: 200px;
  }
}