/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-panel);
  border-bottom: 1px solid var(--color-panel-stroke);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  z-index: 100;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.125rem;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

.nav-links a.active {
  color: var(--color-text-primary);
  background: var(--color-panel-stroke);
}

/* Cards */
.card {
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

/* Metric Pills */
.metric-pill {
  display: inline-flex;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 4px 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-panel-stroke);
  border-radius: 999px;
  color: var(--color-text-secondary);
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 600px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}

.stat-card .stat-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.stat-card .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.filter-tabs {
  display: flex;
  gap: var(--space-xs);
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
}

.filter-tab {
  padding: var(--space-xs) var(--space-sm);
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all 0.15s;
}

.filter-tab:hover {
  color: var(--color-text-primary);
}

.filter-tab.active {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

/* Workout Card */
.workout-card {
  display: block;
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  transition: border-color 0.15s;
}

.workout-card:hover {
  border-color: var(--color-text-tertiary);
}

.workout-card.accent-bike {
  border-left: 3px solid var(--color-accent-bike);
}

.workout-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.workout-card-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 16px;
}

.workout-card-title {
  flex: 1;
}

.workout-card-title h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}

.workout-card-date {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.workout-card-time {
  font-size: 13px;
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

.workout-card-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* Month Section */
.month-section {
  margin-bottom: var(--space-xl);
}

.month-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

/* Loading */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-panel-stroke);
  border-top-color: var(--color-text-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-secondary);
}

/* Detail View */
.detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.back-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all 0.15s;
}

.back-link:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-tertiary);
}

/* Delete Button */
.delete-btn {
  padding: var(--space-xs) var(--space-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-danger);
  background: transparent;
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.delete-btn:hover {
  background: var(--color-danger);
  color: white;
}

.delete-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Nav User Section */
.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-username {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.nav-logout {
  font-size: 13px;
  color: var(--color-text-tertiary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}

.nav-logout:hover {
  color: var(--color-text-primary);
  background: var(--color-panel-stroke);
}

/* Login View */
.login-view {
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.login-card {
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-header {
  margin-bottom: var(--space-xl);
}

.login-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.login-header p {
  color: var(--color-text-secondary);
}

.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
  font-size: 14px;
}

.strava-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: #fc4c02;
  color: white;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}

.strava-btn:hover {
  background: #e34402;
}

.strava-btn svg {
  flex-shrink: 0;
}

.login-note {
  margin-top: var(--space-lg);
  font-size: 13px;
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

/* Apple Sign In Button */
.apple-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: #000;
  color: white;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.apple-btn:hover {
  background: #333;
}

.apple-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.apple-btn svg {
  flex-shrink: 0;
}

/* Login Divider */
.login-divider {
  display: flex;
  align-items: center;
  margin: var(--space-lg) 0;
  color: var(--color-text-tertiary);
  font-size: 13px;
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-panel-stroke);
}

.login-divider span {
  padding: 0 var(--space-md);
}

/* Email Form */
.email-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.email-form input[type="email"] {
  width: 100%;
  padding: var(--space-md);
  font-size: 16px;
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 0.15s;
}

.email-form input[type="email"]:focus {
  border-color: var(--color-text-secondary);
}

.email-form input[type="email"]::placeholder {
  color: var(--color-text-tertiary);
}

.email-btn {
  width: 100%;
  padding: var(--space-md);
  font-size: 16px;
  font-weight: 600;
  background: var(--color-text-primary);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: opacity 0.15s;
}

.email-btn:hover {
  opacity: 0.9;
}

.email-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Email Sent Icon */
.email-sent-icon {
  display: flex;
  justify-content: center;
  margin: var(--space-xl) 0;
  color: var(--color-text-secondary);
}

/* Secondary Button */
.secondary-btn {
  width: 100%;
  padding: var(--space-md);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s;
  margin-top: var(--space-lg);
}

.secondary-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-tertiary);
}

.detail-map {
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
}

@media (min-width: 600px) {
  .detail-map {
    height: 350px;
  }
}

/* Chart */
.chart-card {
  margin-top: var(--space-lg);
}

.chart-card h3 {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.chart-container {
  height: 180px;
}

.chart-container svg {
  width: 100%;
  height: 100%;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Export Buttons */
.export-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.export-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: 14px;
  font-weight: 500;
  background: var(--color-panel);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.export-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-tertiary);
}

.export-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.export-btn svg {
  flex-shrink: 0;
}

/* Map Legend */
.map-legend {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.legend-label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.legend-gradient {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: 1;
}

.legend-slow,
.legend-fast {
  color: var(--color-text-tertiary);
  font-size: 12px;
}

.legend-bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(to right, hsl(0, 70%, 45%), hsl(60, 70%, 45%), hsl(120, 70%, 45%));
}

/* Time Range Select */
.time-range-select {
  padding: var(--space-xs) var(--space-sm);
  font-size: 14px;
  background: var(--color-panel);
  border: 1px solid var(--color-panel-stroke);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  cursor: pointer;
}

.time-range-select:focus {
  outline: none;
  border-color: var(--color-text-tertiary);
}