/* ==========================================================================
   Manga Reader Hub - Warm Light Theme
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
  --bg-primary: #f7f5ef;
  color-scheme: light;
  --bg-secondary: #eeeee5;
  --bg-sidebar: #f0efe7;
  
  --card-bg: #fffefa;
  --card-border: #dcded4;
  --card-hover-border: #8da997;
  --card-glow: rgba(38, 69, 49, 0.04);
  
  --text-primary: #263c32;
  --text-secondary: #52645a;
  --text-muted: #657469;
  
  /* Brand Accent Colors */
  --accent-primary: #27624a;
  --accent-primary-glow: rgba(39, 98, 74, 0.12);
  --accent-secondary: #3d7157;
  --accent-success: #27624a;
  --accent-success-glow: rgba(39, 98, 74, 0.12);
  --accent-pinned: #90621b;
  --accent-danger: #b33d34;
  
  /* Fonts */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Layout */
  --sidebar-width: 280px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: none;
}

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

a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* App Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  padding: 24px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(39, 98, 74, 0.3);
}

.logo-icon :is(i, svg) {
  color: #fff;
  width: 20px;
  height: 20px;
}

.brand h1 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* Stats Card in Sidebar */
.stats-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 16px;
}

.stats-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.stats-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--accent-primary);
}

.stats-bar-container {
  height: 6px;
  background-color: var(--card-border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.stats-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px rgba(61, 113, 87, 0.5);
}

.stats-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Navigation Menu */
.nav-menu {
  flex: 1;
  overflow-y: auto;
  margin-right: -8px;
  padding-right: 8px;
}

.nav-menu::-webkit-scrollbar {
  width: 4px;
}
.nav-menu::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: 2px;
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-top: 16px;
  margin-bottom: 8px;
  padding-left: 12px;
}

.nav-menu ul {
  list-style: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
  margin-bottom: 4px;
}

.nav-item :is(i, svg) {
  width: 18px;
  height: 18px;
  opacity: 0.7;
  transition: var(--transition-fast);
}

.nav-item:hover {
  background-color: var(--card-border);
  color: var(--text-primary);
}

.nav-item:hover i {
  opacity: 1;
}

.nav-item.active {
  background: rgba(39, 98, 74, 0.15);
  border: 1px solid rgba(39, 98, 74, 0.2);
  color: var(--text-primary);
  font-weight: 600;
}

.nav-item.active :is(i, svg) {
  color: var(--accent-primary);
  opacity: 1;
}

.nav-divider {
  border: 0;
  height: 1px;
  background: var(--card-border);
  margin: 12px 0;
}

/* Sidebar Footer */
.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--card-border);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  width: 100%;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(39, 98, 74, 0.25);
}

.btn-primary:hover {
  background: #1d503b;
  box-shadow: 0 4px 16px rgba(39, 98, 74, 0.4);
  transform: translateY(-1px);
}

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

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

.btn-add {
  margin-bottom: 20px;
  padding: 12px 16px;
  font-family: var(--font-display);
}

/* Main Content Styling */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Top Header */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  gap: 20px;
}

.header-left h2 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.header-left .subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Search Box */
.search-box {
  position: relative;
  width: 320px;
}

.search-box :is(i, svg) {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
  transition: var(--transition-fast);
}

.search-box input {
  width: 100%;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 16px 12px 42px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.search-box input:focus {
  background-color: var(--card-bg);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(39, 98, 74, 0.15);
}

.search-box input:focus + :is(i, svg) {
  color: var(--accent-primary);
}

.search-clear-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
}

.search-clear-btn:hover {
  color: var(--text-primary);
}

/* Sections & Cards Grid */
.manga-time-group {
  margin-bottom: 40px;
  animation: fadeIn 0.4s ease-out;
}

.manga-time-group h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.manga-time-group h3::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* Card Styling */
.card-wrapper {
  position: relative;
}

.manga-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
  position: relative;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  z-index: 1;
}

.manga-card::before {
  content: none;
}

/* Card Hover effect */
.manga-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-hover-border);
  box-shadow: 
    0 12px 24px rgba(38, 51, 42, 0.07),
    0 0 16px var(--card-glow);
  background: #ffffff;
}

.manga-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.manga-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-all;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Interactive Card Buttons */
.card-actions {
  display: flex;
  gap: 6px;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

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

/* Specific buttons */
.btn-pin.pinned {
  color: var(--accent-pinned);
}

.btn-read.read {
  color: var(--accent-success);
}

.btn-edit:hover {
  color: var(--accent-secondary);
}

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

/* Read/Visited state */
.manga-card.visited {
  opacity: 0.75;
  background: #eeeee5;
}

.manga-card.visited:hover {
  opacity: 0.85;
  filter: none;
}

/* Card Bottom Info */
.manga-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  gap: 10px;
}

.card-metadata {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.site-domain, 
.manga-site-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.manga-site-badge {
  color: var(--accent-secondary);
  background: rgba(61, 113, 87, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(61, 113, 87, 0.15);
  width: fit-content;
}

.manga-day-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
  padding: 1px 5px;
  border-radius: 4px;
  width: fit-content;
}

.btn-visit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  padding: 6px 12px;
  background: rgba(39, 98, 74, 0.08);
  border: 1px solid rgba(39, 98, 74, 0.15);
  border-radius: 8px;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.manga-card:hover .btn-visit {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
  box-shadow: 0 0 8px rgba(39, 98, 74, 0.4);
}

.btn-visit :is(i, svg) {
  width: 12px;
  height: 12px;
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(38, 51, 42, 0.35);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  width: 90%;
  max-width: 480px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(38, 51, 42, 0.14), 0 0 30px rgba(39, 98, 74, 0.1);
  transform: translateY(-20px);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.btn-close-modal:hover {
  background-color: var(--card-border);
  color: var(--text-primary);
}

/* Modal Form Controls */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group label .required {
  color: var(--accent-danger);
}

.form-group input,
.form-group select {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 8px rgba(39, 98, 74, 0.15);
  background-color: var(--card-bg);
}

.form-group select option {
  background-color: var(--card-bg);
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.modal-actions .btn {
  flex: 1;
}

/* Loader / Empty States */
.loader-container,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: 20px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

.empty-state :is(i, svg) {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.btn-empty-add {
  margin-top: 16px;
  width: auto;
  padding: 10px 20px;
}

/* App Footer */
.app-footer {
  margin-top: auto;
  padding-top: 60px;
  border-top: 1px solid var(--card-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }
  .main-content {
    padding: 30px;
  }
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  
  .sidebar {
    position: relative;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--card-border);
    padding: 20px;
    height: auto;
  }
  
  .stats-card {
    display: none;
  }
  
  .btn-add {
    margin-bottom: 12px;
  }
  
  .nav-menu {
    max-height: 120px;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    display: flex;
    flex-direction: row;
    margin: 0;
    padding: 0;
  }
  
  .nav-menu ul {
    display: flex;
    gap: 8px;
  }
  
  .nav-section-title,
  .nav-divider {
    display: none;
  }
  
  .nav-item {
    padding: 8px 14px;
    margin: 0;
  }
  
  .main-content {
    margin-left: 0;
    padding: 20px;
  }
  
  .top-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .search-box {
    width: 100%;
  }
  
  .sidebar-footer {
    display: none;
  }
}

/* Keyboard focus and form contrast for the light theme. */
:where(button, a, input, select):focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

input::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

@media (max-width: 768px) {
  .header-right { width: 100%; }
  .header-left h2 { font-size: 1.5rem; line-height: 1.4; }
  .cards-grid { grid-template-columns: minmax(0, 1fr); }
}