/**
 * Youth Devotionals - Main Stylesheet
 * Mobile-first responsive design with theme support and accessibility
 */

/* Prevent flash of unstyled Alpine content before init */
[x-cloak] {
  display: none !important;
}

/* ===== CSS Variables & Theme Support ===== */
:root {
  /* Colors - Light Theme */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-secondary: #8b5cf6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  --color-border: #e5e7eb;
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Touch Targets (Accessibility) */
  --touch-target-min: 44px;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg-primary: #111827;
  --color-bg-secondary: #1f2937;
  --color-bg-tertiary: #374151;
  --color-text-primary: #f9fafb;
  --color-text-secondary: #d1d5db;
  --color-text-tertiary: #9ca3af;
  --color-border: #374151;
  --color-shadow: rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg-primary: #111827;
    --color-bg-secondary: #1f2937;
    --color-bg-tertiary: #374151;
    --color-text-primary: #f9fafb;
    --color-text-secondary: #d1d5db;
    --color-text-tertiary: #9ca3af;
    --color-border: #374151;
    --color-shadow: rgba(0, 0, 0, 0.3);
  }
}

/* ===== Base Styles ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--spacing-md) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== Page Header ===== */
.page-header {
  padding: var(--spacing-2xl) 0 var(--spacing-xl) 0;
  text-align: center;
}

.page-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Topics Grid ===== */
.topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

@media (min-width: 640px) {
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .topics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.topic-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px var(--color-shadow);
  border-color: var(--color-primary);
}

.topic-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.topic-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.topic-name {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.topic-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.topic-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.devotional-count {
  font-weight: 600;
}

/* ===== Topic section (index: topic title + cards) ===== */
.devotional-topic-group {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.devotional-topic-group:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.topic-title {
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary, var(--youth-text, #111827));
  margin: 0 0 1.25rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--color-primary, var(--youth-primary, #6366f1));
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.25;
}

.topic-title span:first-child {
  font-size: 1.25em;
  line-height: 1;
}

/* ===== Devotionals Grid ===== */
.devotionals-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: 0 0 var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  .devotionals-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .devotionals-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.devotional-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
}

.devotional-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px var(--color-shadow);
}

.devotional-card.completed {
  border-color: var(--color-success);
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.devotional-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.devotional-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.devotional-badges {
  display: flex;
  gap: var(--spacing-xs);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
}

.badge-completed {
  background: var(--color-success);
  color: white;
}

.badge-bookmarked {
  background: var(--color-warning);
  color: white;
}

.badge-offline {
  background: var(--color-primary);
  color: white;
}

.devotional-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.devotional-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  line-height: 1.3;
}

.devotional-scripture {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.scripture-icon {
  font-size: var(--font-size-base);
}

.devotional-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.devotional-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: var(--touch-target-min);
  gap: var(--spacing-xs);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-primary);
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-success:hover {
  background: #059669;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

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

.btn-icon.active {
  color: var(--color-warning);
}

/* ===== Controls Section ===== */
.controls-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.filter-controls,
.sort-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.control-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.control-select {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  cursor: pointer;
  min-height: var(--touch-target-min);
}

.control-select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== Search Section ===== */
.search-section {
  margin: var(--spacing-xl) 0;
}

.search-container,
.search-container-large {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 600px;
  margin: 0 auto;
}

.search-input,
.search-input-large {
  flex: 1;
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  min-height: var(--touch-target-min);
}

.search-input:focus,
.search-input-large:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-btn,
.search-btn-large {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
}

.search-btn:hover,
.search-btn-large:hover {
  background: var(--color-primary-dark);
}

.search-tips {
  text-align: center;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* ===== State Displays ===== */
.loading-state,
.empty-state,
.error-state {
  text-align: center;
  padding: var(--spacing-2xl);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

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

.empty-state h2,
.error-state h2 {
  margin-bottom: var(--spacing-md);
}

.empty-icon,
.initial-icon,
.no-results-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

/* ===== Online Status Indicator ===== */
.online-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.online-status-indicator.online {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.online-status-indicator.offline {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

/* ===== Progress Bar ===== */
.progress-bar-container {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.progress-bar {
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-text {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ===== Responsive Navigation ===== */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
}

/* ===== Accessibility ===== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .btn {
    border: 2px solid currentColor;
  }
  
  .devotional-card {
    border-width: 2px;
  }
}

/* ===== Print Styles ===== */
@media print {
  .site-header,
  .site-footer,
  .devotional-actions,
  .search-section,
  .controls-section {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .devotional-card {
    break-inside: avoid;
    border: 1px solid #000;
  }
}