/**
 * history.css — Stiloj por historio-paĝo
 */

/* Ĉapo */
.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.history-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.btn-icon:hover {
  background: var(--bg-hover);
}

.btn-icon:active {
  background: var(--bg-active);
}

/* Ĉefa Enhavo */
.history-main {
  padding: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Periodo-Elektilo */
.period-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: var(--bg-secondary);
  padding: 0.25rem;
  border-radius: 12px;
}

.period-btn {
  flex: 1;
  padding: 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.period-btn.active {
  background: var(--accent-color);
  color: white;
}

.period-btn:not(.active):hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Statistikoj */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: 12px;
  text-align: center;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* Grafiko */
.chart-container {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

#altitude-chart {
  width: 100%;
  height: 300px;
  display: block;
}

/* Neniu Datumoj */
.no-data {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.no-data p:first-child {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Menuo-Folio */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  transition: opacity 0.3s;
}

.menu-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.menu-sheet {
  width: 100%;
  background: var(--bg-secondary);
  border-radius: 16px 16px 0 0;
  padding: 1rem;
  transform: translateY(0);
  transition: transform 0.3s;
}

.menu-overlay.hidden .menu-sheet {
  transform: translateY(100%);
}

.menu-item {
  width: 100%;
  padding: 1rem;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s;
  display: block;
}

.menu-item:hover {
  background: var(--bg-hover);
}

.menu-item.danger {
  color: #EF4444;
}

.menu-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* Respondeca Dezajno */
@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  #altitude-chart {
    height: 400px;
  }
}

/* Hela Temo */
:root.light {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F3F4F6;
  --bg-hover: #E5E7EB;
  --bg-active: #D1D5DB;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
  --accent-color: #2563EB;
}

/* Malhela Temo */
:root.dark {
  --bg-primary: #0A0A0A;
  --bg-secondary: #1A1A1A;
  --bg-hover: #262626;
  --bg-active: #333333;
  --text-primary: #E5E5E5;
  --text-secondary: #9CA3AF;
  --border-color: #262626;
  --accent-color: #2563EB;
}