/**
 * Serials (Blogs/Journals) - Stylesheet
 *
 * Part of the Serial Content System.
 * Provides dark mode support and mobile UX improvements for:
 * - serials.html (listing page)
 * - serial.html (single serial view)
 * - my-serials.html (author dashboard)
 *
 * @see docs/plans/PLAN_SERIAL_CONTENT_SYSTEM_20251211.md
 */

/* ========================================
   Base Styles
   ======================================== */

/* Serial Cards */
.serial-card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.serial-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Featured Serial Badge */
.featured-badge {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
}

/* Subscription Button */
.subscribe-btn {
  transition: all 0.2s ease;
}

.subscribe-btn:active {
  transform: scale(0.98);
}

/* Category Filter Chips */
.category-chip {
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.category-chip:active {
  transform: scale(0.95);
}

/* Tab Navigation */
.serial-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 1px;
}

.serial-tab {
  padding: 0.75rem 1rem;
  font-weight: 500;
  color: #6b7280;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.serial-tab:hover {
  color: #374151;
}

.serial-tab.active {
  color: #2563eb;
  border-bottom-color: #2563eb;
}

/* Edition Cards in Feed */
.edition-card {
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

/* Author Info Section */
.author-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  object-fit: cover;
}

/* Stats Row */
.stats-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: #6b7280;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ========================================
   Mobile UX Improvements
   ======================================== */

/* Ensure minimum touch targets (44x44px) */
@media (max-width: 768px) {
  .serial-tab {
    min-height: 44px;
    padding: 0.75rem 0.75rem;
  }

  .category-chip {
    min-height: 44px;
    padding: 0.5rem 1rem;
  }

  .subscribe-btn {
    min-height: 44px;
  }

  /* Stack subscription controls vertically on mobile */
  .subscription-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .subscription-controls select {
    width: 100%;
    min-height: 44px;
  }

  /* Larger touch area for card actions */
  .serial-card a {
    display: block;
    padding: 1rem;
  }

  /* Full-width cards on mobile */
  .serials-grid {
    gap: 1rem;
  }

  /* Improve feed readability */
  .edition-card {
    border-radius: 0;
    margin-left: -1rem;
    margin-right: -1rem;
    width: calc(100% + 2rem);
  }

  /* Sticky search bar on mobile */
  .search-container {
    position: sticky;
    top: 64px; /* Below nav */
    z-index: 40;
    background: var(--color-bg-secondary, #f3f4f6);
    padding: 0.75rem 0;
    margin-bottom: 0.5rem;
  }
}

/* Improve tap feedback */
@media (hover: none) and (pointer: coarse) {
  .serial-card:active {
    background-color: #f9fafb;
  }

  .category-chip:active {
    opacity: 0.8;
  }
}

/* ========================================
   Dark Mode Support
   ======================================== */

@media (prefers-color-scheme: dark) {
  /* Page Background */
  body.bg-gray-50 {
    background-color: var(--color-gray-900, #111827);
  }

  /* Serial Cards */
  .serial-card,
  .bg-white.rounded-xl,
  .bg-white.rounded-lg {
    background-color: var(--color-gray-800, #1f2937);
    border-color: var(--color-gray-700, #374151);
  }

  .serial-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  }

  /* Text Colors */
  .text-gray-900 {
    color: var(--color-gray-100, #f3f4f6);
  }

  .text-gray-700 {
    color: var(--color-gray-300, #d1d5db);
  }

  .text-gray-600 {
    color: var(--color-gray-400, #9ca3af);
  }

  .text-gray-500 {
    color: var(--color-gray-400, #9ca3af);
  }

  .text-gray-400 {
    color: var(--color-gray-500, #6b7280);
  }

  /* Links */
  .hover\:text-blue-600:hover {
    color: #60a5fa;
  }

  /* Category Chips */
  .category-chip,
  .bg-white.text-gray-600 {
    background-color: var(--color-gray-800, #1f2937);
    border-color: var(--color-gray-600, #4b5563);
    color: var(--color-gray-300, #d1d5db);
  }

  .category-chip:hover,
  .hover\:bg-gray-50:hover {
    background-color: var(--color-gray-700, #374151);
  }

  .bg-blue-100.text-blue-700 {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.3);
  }

  /* Tabs */
  .serial-tabs {
    border-color: var(--color-gray-700, #374151);
  }

  .serial-tab {
    color: var(--color-gray-400, #9ca3af);
  }

  .serial-tab:hover {
    color: var(--color-gray-200, #e5e7eb);
  }

  .serial-tab.active {
    color: #60a5fa;
    border-bottom-color: #60a5fa;
  }

  /* Tab Buttons (Tailwind style) */
  .border-b-2.border-transparent {
    border-color: transparent;
  }

  .border-b-2.border-blue-500 {
    border-color: #60a5fa;
  }

  /* Buttons */
  .bg-gray-100 {
    background-color: var(--color-gray-700, #374151);
  }

  .hover\:bg-gray-200:hover {
    background-color: var(--color-gray-600, #4b5563);
  }

  .bg-gray-100.text-gray-700 {
    background-color: var(--color-gray-700, #374151);
    color: var(--color-gray-300, #d1d5db);
  }

  .bg-white.hover\:bg-gray-50 {
    background-color: var(--color-gray-800, #1f2937);
  }

  .bg-white.hover\:bg-gray-50:hover {
    background-color: var(--color-gray-700, #374151);
  }

  /* Border Colors */
  .border-gray-300 {
    border-color: var(--color-gray-600, #4b5563);
  }

  .border-gray-200 {
    border-color: var(--color-gray-700, #374151);
  }

  /* Form Inputs (frequency select) */
  select.border-gray-300 {
    background-color: var(--color-gray-800, #1f2937);
    border-color: var(--color-gray-600, #4b5563);
    color: var(--color-gray-200, #e5e7eb);
  }

  /* Search Input */
  input.border-gray-300,
  .pl-10.border-gray-300 {
    background-color: var(--color-gray-800, #1f2937);
    border-color: var(--color-gray-600, #4b5563);
    color: var(--color-gray-200, #e5e7eb);
  }

  input::placeholder {
    color: var(--color-gray-500, #6b7280);
  }

  /* Empty States */
  .bg-white.rounded-lg.shadow {
    background-color: var(--color-gray-800, #1f2937);
  }

  /* Icon Colors */
  .text-gray-400 svg,
  svg.text-gray-400 {
    color: var(--color-gray-500, #6b7280);
  }

  /* Subscription Badge */
  .bg-blue-100.text-blue-800 {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
  }

  /* Green Status */
  .text-green-600 {
    color: #34d399;
  }

  /* Red/Danger States */
  .hover\:text-red-500:hover {
    color: #f87171;
  }

  /* Pagination Button */
  .border-gray-300.bg-white {
    background-color: var(--color-gray-800, #1f2937);
    border-color: var(--color-gray-600, #4b5563);
  }

  .border-gray-300.bg-white:hover {
    background-color: var(--color-gray-700, #374151);
  }

  /* Mobile sticky search */
  @media (max-width: 768px) {
    .search-container {
      background-color: var(--color-gray-900, #111827);
    }
  }

  /* Shadow Adjustments */
  .shadow-sm {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  }

  .shadow {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  }

  .shadow-md {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
}

/* ========================================
   Author Dashboard (my-serials.html)
   ======================================== */

/* Analytics Cards */
.analytics-card {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.analytics-value {
  font-size: 2rem;
  font-weight: 700;
  color: #111827;
}

.analytics-label {
  font-size: 0.875rem;
  color: #6b7280;
}

/* Draft Indicator */
.draft-badge {
  background: #fef3c7;
  color: #92400e;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 9999px;
}

/* Scheduled Badge */
.scheduled-badge {
  background: #dbeafe;
  color: #1e40af;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 9999px;
}

/* Published Badge */
.published-badge {
  background: #dcfce7;
  color: #166534;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 9999px;
}

@media (prefers-color-scheme: dark) {
  .analytics-card {
    background-color: var(--color-gray-800, #1f2937);
  }

  .analytics-value {
    color: var(--color-gray-100, #f3f4f6);
  }

  .analytics-label {
    color: var(--color-gray-400, #9ca3af);
  }

  .draft-badge {
    background: rgba(251, 191, 36, 0.2);
    color: #fcd34d;
  }

  .scheduled-badge {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
  }

  .published-badge {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
  }
}

/* ========================================
   Single Serial View (serial.html)
   ======================================== */

/* Serial Header */
.serial-header {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Edition List */
.edition-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.edition-item {
  background: white;
  border-radius: 0.5rem;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s ease;
}

.edition-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Edition Content (reading view) */
.edition-content {
  background: white;
  border-radius: 0.75rem;
  padding: 2rem;
  max-width: 65ch;
  margin: 0 auto;
}

.edition-content h1,
.edition-content h2,
.edition-content h3 {
  color: #111827;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.edition-content p {
  margin-bottom: 1em;
  line-height: 1.75;
}

.edition-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
}

@media (prefers-color-scheme: dark) {
  .serial-header {
    background-color: var(--color-gray-800, #1f2937);
  }

  .edition-item {
    background-color: var(--color-gray-800, #1f2937);
  }

  .edition-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }

  .edition-content {
    background-color: var(--color-gray-800, #1f2937);
  }

  .edition-content h1,
  .edition-content h2,
  .edition-content h3 {
    color: var(--color-gray-100, #f3f4f6);
  }

  .edition-content p {
    color: var(--color-gray-300, #d1d5db);
  }
}

/* ========================================
   Accessibility
   ======================================== */

/* Focus states */
.serial-card:focus-within {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.category-chip:focus {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.serial-tab:focus {
  outline: 2px solid #2563eb;
  outline-offset: -2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .serial-card,
  .category-chip,
  .serial-tab,
  .subscribe-btn,
  .edition-item {
    transition: none;
  }
}