/**
 * TabMail - Shared Components
 * 
 * Reusable UI components used across multiple pages.
 * Requires: palette.css, base.css
 */

/* ============================================
   Primary Button
   ============================================ */
.btn-primary {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-color);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #0050c4;
  transform: translateY(-1px);
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  .btn-primary {
    background: var(--accent-fill-dark);
  }

  .btn-primary:hover {
    background: #0050c4;
  }
}

/* ============================================
   Secondary Button
   ============================================ */
.btn-secondary {
  display: inline-block;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  background: var(--button-bg);
  border: 1px solid var(--button-bg-hover);
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--button-bg-hover);
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  .btn-secondary {
    color: var(--text-color-dark);
    background: var(--button-bg-dark);
    border-color: var(--button-bg-hover-dark);
  }

  .btn-secondary:hover {
    background: var(--button-bg-hover-dark);
  }
}

/* ============================================
   Card
   ============================================ */
.card {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-radius: 12px;
  padding: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  .card {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
  }
}

/* ============================================
   Stats Card
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-radius: 8px;
  padding: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  .stat-card {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
  }
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 600;
}

.stat-sublabel {
  font-size: 0.75rem;
  opacity: 0.6;
  margin-top: 0.25rem;
}

.stat-card-warning {
  border-color: #ff9800 !important;
}

/* ============================================
   Quota Bar
   ============================================ */
.quota-bar {
  width: 100%;
  height: 6px;
  background: var(--button-bg);
  border-radius: 3px;
  margin-top: 0.75rem;
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .quota-bar {
    background: var(--button-bg-dark);
  }
}

.quota-bar-fill {
  height: 100%;
  background: var(--accent-color);
  transition: width 0.3s ease;
  border-radius: 3px;
}

@media (prefers-color-scheme: dark) {
  .quota-bar-fill {
    background: var(--accent-color-dark);
  }
}

/* ============================================
   Trial Banner
   ============================================ */
.trial-banner {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px rgba(102, 126, 234, 0.2);
}

.trial-icon {
  font-size: 2rem;
  line-height: 1;
}

.trial-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trial-text strong {
  font-size: 1.125rem;
  font-weight: 600;
}

.trial-text span {
  font-size: 0.9375rem;
  opacity: 0.9;
}

.trial-badge {
  display: inline-block;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ============================================
   Cancellation Banner
   ============================================ */
.cancellation-banner {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-left: 4px solid #f59e0b;
  color: var(--text-color);
  padding: 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (prefers-color-scheme: dark) {
  .cancellation-banner {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
    border-left-color: #f59e0b;
    color: var(--text-color-dark);
  }
}

.cancellation-banner .trial-text span {
  opacity: 0.7;
}

/* ============================================
   Downgrade Banner
   ============================================ */
.downgrade-banner {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-left: 4px solid #3b82f6;
  color: var(--text-color);
  padding: 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (prefers-color-scheme: dark) {
  .downgrade-banner {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
    border-left-color: #3b82f6;
    color: var(--text-color-dark);
  }
}

.downgrade-banner .trial-text span {
  opacity: 0.7;
}

/* ============================================
   Chart Container
   ============================================ */
.usage-chart {
  background: var(--box-bg);
  border: 1px solid var(--button-bg);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2rem;
}

@media (prefers-color-scheme: dark) {
  .usage-chart {
    background: var(--box-bg-dark);
    border-color: var(--button-bg-dark);
  }
}

.chart-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.chart-container {
  min-height: 300px;
  overflow: hidden;
  position: relative;
  padding-top: 0.5rem;
}

.chart-bar-container:hover > div {
  opacity: 0.8;
  transform: scaleY(1.02);
}

/* ============================================
   Mobile Component Adjustments
   ============================================ */
@media (max-width: 768px) {
  .stats-grid {
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .stat-card {
    padding: 1rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .trial-banner,
  .cancellation-banner,
  .downgrade-banner {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .trial-icon {
    font-size: 1.5rem;
  }

  .trial-text strong {
    font-size: 1rem;
  }

  .trial-text span {
    font-size: 0.875rem;
  }

  .usage-chart {
    padding: 1rem;
    margin-top: 1.5rem;
  }

  .chart-title {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-value {
    font-size: 1.25rem;
  }
}