/* =========================================
   Modern Design System - RSS Reader
   =========================================

   DESIGN PHILOSOPHY:
   - Single source of truth for all colors
   - Semantic naming (--bg-*, --text-*, --border-*)
   - No legacy/duplicate variables
   - Easy dark mode (just override semantic tokens)

   COLOR SYSTEM:
   - Backgrounds: --bg-primary, --bg-secondary, --bg-tertiary, --bg-hover
   - Text: --text-primary, --text-secondary, --text-tertiary, --text-inverse
   - Borders: --border-primary, --border-secondary, --border-hover
   - Accent: --accent-primary, --accent-hover, --accent-light
   - Status: --color-success, --color-warning, --color-error, --color-info

   DARK MODE:
   - Toggle via data-theme="dark" on <html>
   - All semantic tokens automatically override
   - No component-specific dark mode CSS needed

   ========================================= */

/* =========================================
   CSS Variables (Design Tokens)
   ========================================= */

:root {
  /* ===== Linear-Inspired Design Tokens ===== */

  /* Backgrounds - Warm, paper-like tones to reduce eye strain */
  --bg-primary: #F5F1E8;
  --bg-secondary: #FDFBF7;
  --bg-tertiary: #EFE9DD;
  --bg-hover: rgba(139, 118, 87, 0.05);
  /* Warm brown tint for hover */

  /* Text - Warm tones for comfortable reading */
  --text-primary: #2A2520;
  --text-secondary: #6B6B6B;
  --text-tertiary: #9E9E9E;
  --text-inverse: #FFFFFF;

  /* Borders - Warm, subtle tones (Linear signature) */
  --border-primary: #E0D5C7;
  --border-secondary: #EBE3D5;
  --border-hover: #D5C9B5;

  /* Accent - Purple (Linear's primary color) */
  --accent-primary: #5E6AD2;
  --accent-hover: #4E5AB3;
  --accent-light: rgba(94, 106, 210, 0.08);

  /* Semantic Status Colors - Muted for consistency */
  --color-success: #0F9960;
  --color-success-bg: rgba(15, 153, 96, 0.1);
  --color-warning: #D97706;
  --color-warning-bg: rgba(217, 119, 6, 0.1);
  --color-error: #DC2626;
  --color-error-bg: rgba(220, 38, 38, 0.1);
  --color-info: #0EA5E9;
  --color-info-bg: rgba(14, 165, 233, 0.1);
  --color-paywall: #9333EA;
  --color-paywall-bg: rgba(147, 51, 234, 0.1);

  /* Spacing Scale - Tighter (20% reduction for density) */
  --space-0: 0;
  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.4rem;
  /* 6.4px ~6px */
  --space-3: 0.6rem;
  /* 9.6px ~10px */
  --space-4: 0.8rem;
  /* 12.8px ~13px */
  --space-5: 1rem;
  /* 16px */
  --space-6: 1.2rem;
  /* 19.2px ~19px */
  --space-8: 1.6rem;
  /* 25.6px ~26px */
  --space-10: 2rem;
  /* 32px */
  --space-12: 2.4rem;
  /* 38.4px ~38px */
  --space-16: 3.2rem;
  /* 51.2px ~51px */

  /* Layout Dimensions */
  --navbar-height: 48px;

  /* Border Radius - Subtle (Linear uses minimal rounding) */
  --radius-sm: 0.25rem;
  /* 4px */
  --radius-md: 0.375rem;
  /* 6px */
  --radius-lg: 0.5rem;
  /* 8px */
  --radius-xl: 0.75rem;
  /* 12px */
  --radius-2xl: 1rem;
  /* 16px */
  --radius-full: 9999px;

  /* Shadows - Softer, less dramatic */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03);
  --shadow-md: 0 2px 4px 0 rgb(0 0 0 / 0.04);
  --shadow-lg: 0 4px 8px 0 rgb(0 0 0 / 0.06);
  --shadow-xl: 0 8px 16px 0 rgb(0 0 0 / 0.08);
  --shadow-2xl: 0 16px 32px 0 rgb(0 0 0 / 0.1);

  /* Transitions - Snappy (Linear feels fast) */
  --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 200ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index layers */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-modal: 2000;
  --z-toast: 3000;
  --z-tooltip: 4000;

  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Courier New', monospace;
}

/* =========================================
   Dark Mode Theme
   ========================================= */

[data-theme="dark"] {
  /* Backgrounds - Linear's refined dark theme */
  --bg-primary: #0D0D0D;
  --bg-secondary: #161616;
  --bg-tertiary: #1F1F1F;
  --bg-hover: rgba(255, 255, 255, 0.04);
  /* Subtle hover */

  /* Text - Softer whites, easier on eyes */
  --text-primary: #E8E8E8;
  --text-secondary: #9E9E9E;
  --text-tertiary: #6B6B6B;
  --text-inverse: #0D0D0D;

  /* Borders - Very subtle in dark mode */
  --border-primary: #2A2A2A;
  --border-secondary: #1F1F1F;
  --border-hover: #404040;

  /* Accent - Brighter purple for dark backgrounds */
  --accent-primary: #7C8AFF;
  --accent-hover: #99A3FF;
  --accent-light: rgba(124, 138, 255, 0.12);

  /* Semantic Status Colors - Adjusted for dark */
  --color-success: #10B981;
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-warning: #F59E0B;
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  --color-error: #EF4444;
  --color-error-bg: rgba(239, 68, 68, 0.15);
  --color-info: #3B82F6;
  --color-info-bg: rgba(59, 130, 246, 0.15);
  --color-paywall: #A855F7;
  --color-paywall-bg: rgba(168, 85, 247, 0.15);

  /* Shadows - More subtle in dark mode */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.2);
  --shadow-md: 0 2px 4px 0 rgb(0 0 0 / 0.3);
  --shadow-lg: 0 4px 8px 0 rgb(0 0 0 / 0.4);
  --shadow-xl: 0 8px 16px 0 rgb(0 0 0 / 0.5);
  --shadow-2xl: 0 16px 32px 0 rgb(0 0 0 / 0.6);
}

/* Smooth theme transition */
body.theme-transitioning,
body.theme-transitioning * {
  transition: background-color 300ms ease, color 300ms ease, border-color 300ms ease !important;
}

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

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================================
   App Layout - Sidebar + Main Content
   ========================================= */

.app-layout {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  background-color: var(--bg-primary);
  overflow: hidden;
}

/* =========================================
   Sidebar Navigation
   ========================================= */

.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  flex-shrink: 0;  /* Don't shrink, always visible */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
}

.sidebar-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-search {
  flex-shrink: 0;  /* Don't shrink, always visible */
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-primary);
}

.sidebar-search input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  /* 13px */
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.sidebar-search input::placeholder {
  color: var(--text-tertiary);
  opacity: 0.6;
}

.sidebar-search input:hover {
  border-color: var(--border-hover);
}

.sidebar-search input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2) 0;
}

.sidebar-item {
  padding: var(--space-2) var(--space-4);
  /* Tighter spacing */
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 1px solid transparent;
  /* Linear signature: thin border */
  position: relative;
}

.sidebar-item:hover {
  background-color: var(--bg-hover);
  /* Subtle rgba hover */
  border-left-color: var(--border-hover);
}

.sidebar-item.active {
  background-color: var(--accent-light);
  border-left-color: var(--accent-primary);
  /* 1px accent border */
  border-left-width: 2px;
  /* Slightly thicker when active */
}

.sidebar-item-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.sidebar-item-title {
  font-size: 0.8125rem;
  /* 13px - Linear's compact size */
  font-weight: 450;
  /* Slightly lighter */
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
  /* Tighter line height */
}

.sidebar-item.active .sidebar-item-title {
  color: var(--accent-primary);
  /* Use primary, not hover */
  font-weight: 500;
  /* Less dramatic weight change */
}

.sidebar-item-count {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 600;
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  min-width: 24px;
  text-align: center;
}

.sidebar-item.active .sidebar-item-count {
  background: var(--accent-light);
  color: var(--accent-hover);
}

.sidebar-item-quality {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.quality-indicator {
  font-size: 0.625rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.quality-indicator.quality-full {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.quality-indicator.quality-partial {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.quality-indicator.quality-pending {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.quality-indicator.quality-paywalled {
  background: var(--color-paywall-bg);
  color: var(--color-paywall);
}

.quality-indicator.quality-failed {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.sidebar-footer {
  flex-shrink: 0;  /* Don't shrink, stay pinned at bottom */
  border-top: 1px solid var(--border-primary);
  padding: var(--space-4);
}

.sidebar-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.stat-row span:last-child {
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-loading {
  padding: var(--space-2) var(--space-4);
}

.skeleton-item {
  height: 48px;
  background: linear-gradient(90deg,
      var(--border-primary) 0%,
      var(--bg-tertiary) 50%,
      var(--border-primary) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
}

.sidebar-empty {
  padding: var(--space-6) var(--space-4);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* =========================================
   Main Content Area
   ========================================= */

.main-content {
  flex: 1;
  overflow-y: auto;
  background-color: var(--bg-primary);
}

.welcome-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: var(--space-8);
  text-align: center;
}

.welcome-icon {
  font-size: 4rem;
  margin-bottom: var(--space-6);
}

.welcome-state h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.welcome-state p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 400px;
}

.feed-view {
  padding: var(--space-6);
}

.content-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  gap: var(--space-4);
}

.content-header-main h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.content-header-main .text-muted {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  word-break: break-all;
}

.content-header-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Quality Stats Bar */
.quality-stats-bar {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.quality-stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Clickable quality filter buttons */
.quality-filter-btn {
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  user-select: none;
}

.quality-filter-btn:hover {
  background: var(--bg-tertiary);
}

.quality-filter-btn.active {
  opacity: 1;
}

.quality-filter-btn:not(.active) {
  opacity: 0.3;
  text-decoration: line-through;
}

.quality-filter-btn:not(.active):hover {
  opacity: 0.5;
}

.quality-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
}

.quality-dot.quality-full {
  background: var(--color-success);
}

.quality-dot.quality-partial {
  background: var(--color-warning);
}

.quality-dot.quality-pending {
  background: var(--color-info);
}

.quality-dot.quality-paywalled {
  background: var(--color-paywall);
}

.quality-dot.quality-failed {
  background: var(--color-error);
}

.quality-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.quality-label strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Articles Toolbar */
.articles-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.articles-filter {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.filter-select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.articles-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Articles Grid */
.articles-grid {
  display: grid;
  gap: var(--space-4);
}

.article-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  /* Subtle rounding */
  border: 1px solid var(--border-primary);
  /* Linear uses borders */
  padding: var(--space-4);
  /* Tighter padding */
  box-shadow: none;
  /* No shadow, border only */
  transition: all var(--transition-fast);
}

.article-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
  /* Subtle lift */
  box-shadow: var(--shadow-sm);
  /* Barely visible shadow */
}

.article-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.article-card-title {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
}

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

.article-card-title a:hover {
  color: var(--accent-hover);
}

.article-card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: 1px solid var(--bg-tertiary);
}

.article-card-meta {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.article-feed-source {
  font-weight: 600;
  color: var(--primary-600);
}

.article-card-actions {
  display: flex;
  gap: var(--space-3);
}

.btn-link {
  font-size: 0.875rem;
  color: var(--accent-hover);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.btn-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.articles-loading {
  display: grid;
  gap: var(--space-4);
}

.skeleton-article {
  height: 140px;
  background: linear-gradient(90deg,
      var(--border-primary) 0%,
      var(--bg-tertiary) 50%,
      var(--border-primary) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-lg);
}

.empty-articles {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.empty-articles p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* =========================================
   Responsive Design
   ========================================= */

@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  /* Mobile sidebar - slide-out drawer pattern */
  .sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: -100%;
    width: 85%;
    max-width: 320px;
    height: calc(100vh - var(--navbar-height));
    z-index: 1000;  /* Standard modal layer */
    transition: left 0.3s ease;
    border-right: 1px solid var(--border-primary);
    border-bottom: none;
    background: var(--bg-primary);
    overflow: hidden;  /* Prevent scrolling on sidebar container */
  }

  .sidebar.mobile-open {
    left: 0;
  }

  /* Overlay - inside sidebar, behind content */
  .sidebar .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;  /* Behind sidebar content */
  }

  .sidebar.mobile-open .sidebar-overlay {
    display: block;
  }

  /* Sidebar content - above overlay */
  .sidebar .sidebar-content {
    position: relative;
    z-index: 2;  /* Above overlay */
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;  /* Prevent entire sidebar scroll */
    background: var(--bg-primary);
  }

  /* Mobile template dropdown (replaces h1 title on mobile) */
  .template-selector-dropdown {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: 1.25rem;
    font-weight: 600;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
  }

  .template-selector-dropdown:hover {
    border-color: var(--border-hover);
  }

  .template-selector-dropdown:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--accent-light);
  }

  .mobile-new-btn {
    margin-left: auto;
  }

  .sidebar-header {
    padding: var(--space-4);
  }

  .sidebar-footer {
    padding: var(--space-4);
  }

  .feed-view {
    padding: var(--space-4);
  }

  .content-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .content-header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .quality-stats-bar {
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .quality-stat {
    font-size: 0.8125rem;
  }

  .articles-grid {
    gap: var(--space-3);
  }

  .article-card {
    padding: var(--space-3);
  }

  .article-card-title {
    font-size: 1rem;
  }

  .btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
  }

  .btn-sm {
    padding: var(--space-1) var(--space-2);
    font-size: 0.8125rem;
  }
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========================================
   Typography
   ========================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

h2 {
  font-size: 1.875rem;
  color: var(--text-primary);
}

h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
}

h4 {
  font-size: 1.25rem;
  color: var(--text-primary);
}

h5 {
  font-size: 1.125rem;
  color: var(--text-primary);
}

h6 {
  font-size: 1rem;
  color: var(--text-primary);
}

p {
  margin-bottom: var(--space-4);
}

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

a:hover {
  color: var(--accent-hover);
}

code {
  background: var(--bg-tertiary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* =========================================
   Layout Utilities
   ========================================= */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

main {
  flex: 1;
  padding: var(--space-8) 0;
}

/* =========================================
   Navigation Bar
   ========================================= */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  padding: 0 var(--space-6);
  z-index: var(--z-dropdown);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-hover);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Mobile menu button - hidden on desktop */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
  margin-right: var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: var(--bg-secondary);
}

.mobile-menu-btn:active {
  background: var(--bg-tertiary);
}

.navbar-menu {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.navbar-item {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}

.navbar-item:hover {
  color: var(--accent-hover);
  background: var(--accent-light);
}

.navbar-item.active {
  color: var(--accent-hover);
  background: var(--accent-light);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.theme-toggle svg {
  position: absolute;
  transition: all var(--transition-base);
}

.theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0deg);
}

.theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .sun-icon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0deg);
}

/* =========================================
   Dashboard Header
   ========================================= */

.dashboard-header {
  margin-bottom: var(--space-8);
}

.dashboard-title {
  font-size: 2rem;
  margin-bottom: var(--space-2);
}

.dashboard-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* =========================================
   Quick Add Section
   ========================================= */

.quick-add-section {
  background: var(--bg-secondary);
  border: 2px dashed #D4D4D4;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  transition: all var(--transition-base);
}

.quick-add-section:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.quick-add-form {
  display: flex;
  gap: var(--space-3);
  max-width: 600px;
  margin: 0 auto;
}

.quick-add-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid #D4D4D4;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.quick-add-form input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.quick-add-form input::placeholder {
  color: var(--text-tertiary);
}

/* =========================================
   Feed Grid
   ========================================= */

.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* =========================================
   Feed Cards
   ========================================= */

.feed-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.feed-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--color-accent-500));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feed-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-light);
}

.feed-card:hover::before {
  opacity: 1;
}

.feed-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}

.feed-favicon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--bg-tertiary);
  padding: var(--space-1);
}

.feed-badge {
  background: var(--accent-light);
  color: var(--accent-hover);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.feed-badge.rss {
  background: var(--color-accent-400);
  color: var(--text-inverse);
}

.feed-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  line-height: 1.3;
}

.feed-url {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed-stats {
  display: flex;
  gap: var(--space-6);
  margin: var(--space-5) 0;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-hover);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Quality Bar */
.feed-quality-bar {
  height: 8px;
  background: var(--border-primary);
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
  margin-bottom: var(--space-5);
}

.quality-segment {
  height: 100%;
  transition: width var(--transition-slow);
}

.quality-segment.success {
  background: var(--color-success);
}

.quality-segment.warning {
  background: var(--color-warning);
}

.quality-segment.error {
  background: var(--color-error);
}

/* Feed Actions */
.feed-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  border-top: 1px solid var(--bg-tertiary);
  padding-top: var(--space-4);
}

/* =========================================
   Buttons
   ========================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  /* 13px - Linear size */
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  outline: none;
}

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

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

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 2px 4px rgba(94, 106, 210, 0.2);
}

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

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

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

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

.btn-danger {
  background: var(--color-error);
  color: var(--text-inverse);
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1;
  border: 1px solid var(--border-primary);
  outline: none;
  transition: all var(--transition-fast);
}

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

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

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
}

.btn-warning {
  background: var(--color-warning);
  color: var(--text-inverse);
}

.btn-warning:hover {
  background: #d97706;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle::after {
  content: '▼';
  margin-left: var(--space-2);
  font-size: 0.625rem;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 2px);
  right: 0;
  margin-top: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  z-index: var(--z-dropdown);
  display: none;
  padding: var(--space-2);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}

.dropdown-menu.dropdown-menu-right {
  right: 0;
  left: auto;
}

.dropdown-menu.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-menu a,
.dropdown-menu button {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  text-align: left;
  background: none;
  border: none;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu button:hover {
  background: var(--bg-hover);
}

.dropdown-menu .text-danger {
  color: var(--color-error);
}

.dropdown-menu .text-danger:hover {
  background: var(--color-error-bg);
}

/* =========================================
   Forms
   ========================================= */

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.8125rem;
  /* 13px - Linear's compact size */
  letter-spacing: 0.01em;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  /* Tighter padding */
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  /* Slightly smaller */
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
  background: var(--bg-primary);
  /* Lighter background */
  color: var(--text-primary);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
  opacity: 0.6;
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: var(--border-hover);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group small {
  display: block;
  margin-top: var(--space-1);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  /* Smaller help text */
  line-height: 1.5;
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border-secondary);
  margin-bottom: var(--space-6);
}

.tab-btn {
  padding: var(--space-2) var(--space-4);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  /* 13px - Linear size */
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
  outline: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

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

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.config-section {
  margin-bottom: var(--space-6);
}

.config-section h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-secondary);
}

/* Checkbox Labels */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text-primary);
}

.checkbox-label span {
  color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* =========================================
   Toast Notifications
   ========================================= */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 420px;
}

.toast {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 320px;
  animation: slideInRight 300ms ease-out;
  border-left: 4px solid;
}

.toast.success {
  border-left-color: var(--color-success);
}

.toast.error {
  border-left-color: var(--color-error);
}

.toast.warning {
  border-left-color: var(--color-warning);
}

.toast.info {
  border-left-color: var(--color-info);
}

.toast-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* =========================================
   Loading States
   ========================================= */

.skeleton {
  background: linear-gradient(90deg,
      var(--border-primary) 0%,
      var(--bg-tertiary) 50%,
      var(--border-primary) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-2);
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-circle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

/* =========================================
   Modal System
   ========================================= */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: none;
  /* Hidden by default, use display: flex to show */
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  overflow-y: auto;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal.show {
  opacity: 1;
}

/* Backdrop - separate element for better control */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: -1;
}

/* Modal container - the actual modal content */
.modal-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
}

.modal.show .modal-container {
  transform: scale(1) translateY(0);
}

.modal-container.modal-large {
  max-width: 900px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-header .close,
.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  padding: 0;
  outline: none;
  /* Remove default outline */
}

.modal-header .close:hover,
.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Accessibility: show outline only for keyboard navigation */
.modal-header .close:focus-visible,
.modal-close:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--border-primary);
  background: var(--bg-primary);
  flex-shrink: 0;
  justify-content: flex-end;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* =========================================
   Animations
   ========================================= */

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

.fade-in-up {
  animation: fadeInUp var(--transition-slow) ease-out;
}

/* Stagger animation for grid items */
.feed-card:nth-child(1) {
  animation-delay: 0ms;
}

.feed-card:nth-child(2) {
  animation-delay: 50ms;
}

.feed-card:nth-child(3) {
  animation-delay: 100ms;
}

.feed-card:nth-child(4) {
  animation-delay: 150ms;
}

.feed-card:nth-child(5) {
  animation-delay: 200ms;
}

.feed-card:nth-child(6) {
  animation-delay: 250ms;
}

/* =========================================
   Responsive Design
   ========================================= */

@media (max-width: 1024px) {
  .feed-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }

  .navbar {
    padding: 0 var(--space-4);
  }

  /* Show mobile menu button on mobile */
  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .navbar-brand a {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  .navbar-menu {
    gap: var(--space-2);
  }

  .navbar-item {
    font-size: 0.8125rem;
    padding: var(--space-1) var(--space-2);
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }

  .feed-grid {
    grid-template-columns: 1fr;
  }

  .quick-add-form {
    flex-direction: column;
  }

  .toast-container {
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
    max-width: none;
  }

  .toast {
    min-width: auto;
  }
}

/* =========================================
   Badge Styles
   ========================================= */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  /* 11px */
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

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

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

.badge-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.badge-paywalled {
  background: var(--color-paywall-bg);
  color: var(--color-paywall);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.badge-muted {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
}

/* =========================================
   Utility Classes
   ========================================= */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--text-tertiary);
}

.text-sm {
  font-size: 0.875rem;
}

.text-lg {
  font-size: 1.125rem;
}

.mt-0 {
  margin-top: 0;
}

.mt-2 {
  margin-top: var(--space-2);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-2 {
  margin-bottom: var(--space-2);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.flex {
  display: flex;
}

.grid {
  display: grid;
}

/* =========================================
   Templates Page Styles
   ========================================= */

.template-badge {
  font-size: 0.625rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
}

.template-badge.template-system {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.template-badge.template-custom {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.template-editor {
  padding: var(--space-6);
}

.template-form {
  max-width: 900px;
}

.form-section {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-primary);
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--border-primary);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
}

/* CSS Examples */
.css-examples {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
}

.css-examples summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.css-examples summary:hover {
  background: var(--bg-hover);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.example-btn {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

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

.example-btn:active {
  transform: translateY(1px);
}

/* =========================================
   Refresh Progress Card
   ========================================= */

.refresh-progress-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-md);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.progress-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.progress-bar-container {
  width: 100%;
  height: 28px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--space-3);
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  transition: width 0.3s ease;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.3),
      transparent);
  animation: progress-shimmer 1.5s infinite;
}

@keyframes progress-shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.progress-stats-grid {
  margin-bottom: var(--space-3);
  text-align: center;
}

.progress-meta {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: var(--font-mono, 'Monaco', 'Courier New', monospace);
}

/* Compact progress banner (replaces large modal) */
.refresh-progress-banner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}

.progress-banner-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.progress-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

.progress-icon {
  display: inline-block;
  animation: spin 1.5s linear infinite;
  color: var(--accent-primary);
  font-size: 1rem;
}

.progress-meta-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono, 'Monaco', 'Courier New', monospace);
}

.progress-bar-slim {
  height: 3px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}

.progress-actions {
  display: flex;
  gap: var(--space-2);
}

.btn-compact {
  padding: 4px 12px;
  font-size: 0.75rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-compact.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-compact.btn-danger:hover {
  opacity: 0.9;
}

/* Refresh indicator in sidebar (for groups only - shows "↻ 3/5") */
.refresh-indicator {
  display: inline-block;
  margin-left: var(--space-2);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Spinning icon within refresh indicator */
.refresh-spinner {
  display: inline-block;
  animation: spin 1.5s linear infinite;
  margin-right: 4px;
}

/* Thin progress line below feed items in sidebar */
.sidebar-item-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width 0.3s ease;
  opacity: 0.8;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.sidebar-item.refreshing {
  border-left: 2px solid var(--accent-primary);
  /* Linear-style thin border */
}

/* =========================================
   Slide-Over Panels (Linear-Style)
   Non-intrusive alternative to blocking modals
   ========================================= */

.modal.slide-over {
  align-items: stretch;
  justify-content: flex-end;
  padding: 0;
}

.modal.slide-over .modal-backdrop {
  background: rgba(0, 0, 0, 0.2);
  /* Lighter backdrop */
  backdrop-filter: blur(2px);
  /* Subtle blur */
}

.modal.slide-over .modal-container {
  width: 420px;
  max-width: 90vw;
  max-height: 100vh;
  height: 100vh;
  margin: 0;
  border-radius: 0;
  border-right: none;
  background: var(--bg-secondary);
  /* Solid background */
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}

.modal.slide-over.show .modal-container {
  transform: translateX(0);
}

/* Slide-over sizes */
.modal.slide-over.modal-sm .modal-container {
  width: 320px;
}

.modal.slide-over.modal-md .modal-container {
  width: 420px;
}

.modal.slide-over.modal-lg .modal-container {
  width: 600px;
}

.modal.slide-over.modal-xl .modal-container {
  width: 800px;
}

/* Responsive slide-overs */
@media (max-width: 768px) {
  .modal.slide-over .modal-container {
    width: 100% !important;
    max-width: 100%;
  }

  /* Feed Groups Sidebar - Stack vertically on mobile */
  .sidebar-section {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
  }

  .sidebar-section .sidebar-header {
    padding: var(--space-2) var(--space-3);
  }

  /* Feed Groups List - Better touch targets */
  .sidebar-item {
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
  }

  .sidebar-item .feed-count {
    font-size: 0.75rem;
    padding: 2px 6px;
  }

  /* Dashboard/Stats - Responsive grid */
  .quick-add-section {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
  }

  .dashboard-title {
    font-size: 1.5rem;
  }

  .dashboard-subtitle {
    font-size: 1rem;
  }

  /* Feed Header Actions - Stack on mobile */
  .feed-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .feed-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .feed-actions .btn {
    flex: 1;
    min-width: auto;
  }

  /* Quality Stats - Reduce spacing on mobile */
  .quality-stats {
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .quality-stats .stat-item {
    font-size: 0.8125rem;
  }

  /* Progress Stats Grid - Single column on mobile */
  .progress-stats-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-2);
  }

  /* Article List - Better mobile layout */
  .article-card {
    padding: var(--space-3);
  }

  .article-card .article-title {
    font-size: 1rem;
    line-height: 1.4;
  }

  .article-card .article-description {
    font-size: 0.875rem;
  }

  .article-card .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  /* Modal Forms - Full width inputs on mobile */
  .modal .form-group input[type="text"],
  .modal .form-group input[type="url"],
  .modal .form-group input[type="number"],
  .modal .form-group select,
  .modal .form-group textarea {
    font-size: 16px; /* Prevent zoom on iOS */
  }

  .form-row {
    flex-direction: column;
  }

  .form-row .form-group {
    width: 100%;
  }

  /* Config Modal Tabs - Horizontal scroll on mobile */
  .config-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
  }

  .tab-btn {
    white-space: nowrap;
    font-size: 0.875rem;
    padding: var(--space-2) var(--space-3);
  }

  /* Dropdown Menus - Full width on mobile */
  .dropdown-menu {
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
  }

  /* Sidebar Footer Stats - Stack on mobile */
  .sidebar-footer {
    padding: var(--space-3) var(--space-4);
  }

  .sidebar-footer .stat-item {
    font-size: 0.8125rem;
  }

  /* Feed Groups Actions - Better mobile spacing */
  .group-actions {
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .group-actions .btn {
    flex: 1 1 auto;
    min-width: 100px;
  }

  /* Quick Add Form - Stack on mobile */
  .quick-add-form {
    flex-direction: column;
  }

  .quick-add-form input {
    width: 100%;
  }

  .quick-add-form .btn {
    width: 100%;
  }

  /* Checkbox Group - Better spacing on mobile */
  .checkbox-group {
    gap: var(--space-2);
  }

  .checkbox-label {
    padding: var(--space-2);
  }
}

/* Extra small devices (phones in portrait, less than 480px) */
@media (max-width: 480px) {
  /* Even more compact spacing */
  .sidebar-header h2 {
    font-size: 1rem;
  }

  .sidebar-item {
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
  }

  /* Navbar - Ultra compact */
  .navbar-brand {
    font-size: 1.125rem;
  }

  .navbar-item {
    font-size: 0.75rem;
    padding: var(--space-1);
  }

  /* Feed Header - Stack everything */
  .feed-title {
    font-size: 1.25rem;
  }

  .feed-url {
    font-size: 0.75rem;
  }

  /* Buttons - Full width on tiny screens */
  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
  }

  /* Modal - Reduce padding */
  .modal-content {
    padding: var(--space-4);
  }

  .modal-header {
    padding-bottom: var(--space-3);
  }

  .modal-actions {
    padding-top: var(--space-3);
    flex-direction: column-reverse;
  }

  .modal-actions .btn {
    width: 100%;
  }

  /* Article cards - Very compact */
  .article-card {
    padding: var(--space-2);
  }

  .article-title {
    font-size: 0.9375rem;
  }

  /* Quality indicators - Smaller badges */
  .quality-indicator {
    font-size: 0.625rem;
    padding: 2px 4px;
  }

  /* Group stats - Even more compact */
  .group-info-card {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .group-stat .stat-value {
    font-size: 1.125rem;
  }

  .group-stat .stat-label {
    font-size: 0.625rem;
  }
}