/* ==========================================================================
   COOKup Tracker - High-Performance Design System & Stylesheet
   ========================================================================== */

:root {
  --bg-main: #0a0d14;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(26, 35, 56, 0.85);
  --bg-sidebar: #0e131f;
  --bg-nav: rgba(12, 16, 26, 0.9);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary-accent: #6366f1;
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --accent-pink: #ec4899;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Plus Jakarta Sans', 'Outfit', -apple-system, sans-serif;
}

body.dark-theme {
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-accent);
}

/* Top Navigation Bar */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.75rem;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-title .highlight {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 3px;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Header Stats Bar */
.header-stats {
  display: flex;
  gap: 0.85rem;
}

.stat-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 105px;
}

.stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-badge.alert .stat-value {
  color: var(--accent-green);
}

.stat-badge.highlight .stat-value {
  color: var(--primary-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-filter {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-filter.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.spin-icon {
  animation: none;
}

.spinning .spin-icon {
  animation: spin 1s linear infinite;
}

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

/* Workspace Layout */
.workspace {
  display: flex;
  min-height: calc(100vh - 66px);
}

/* Sidebar */
.sidebar {
  width: 290px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 1.1rem 1.25rem 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.badge {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-accent);
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.sidebar-search {
  padding: 0.5rem 1.25rem 0.85rem 1.25rem;
}

.sidebar-search input {
  width: 100%;
  padding: 0.5rem 0.85rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.82rem;
}

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

.category-tree {
  flex: 1;
  overflow-y: auto;
  padding: 0 0.85rem 1.5rem 0.85rem;
}

.cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.cat-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.cat-item.active {
  background: var(--primary-gradient);
  color: #fff;
  font-weight: 600;
}

.cat-item .cat-count {
  font-size: 0.72rem;
  opacity: 0.8;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
}

/* Toolbar & Filters */
.toolbar-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-card);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 280px;
}

.search-box svg {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding: 0.65rem 2.2rem 0.65rem 2.4rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.btn-icon {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

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

.filter-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.price-slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.price-slider-group input {
  accent-color: var(--primary-accent);
  cursor: pointer;
}

.select-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.select-group select {
  padding: 0.55rem 0.85rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
}

.select-group select:focus {
  outline: none;
  border-color: var(--primary-accent);
}

/* Active Category Title Banner */
.active-category-banner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.active-category-banner h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
}

.results-badge {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Dishes Grid */
.dishes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* Dish Card */
.dish-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
}

.dish-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: var(--bg-card-hover);
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  height: 170px;
  background: rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.dish-card:hover .card-img-wrapper img {
  transform: scale(1.06);
}

.price-drop-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(16, 185, 129, 0.9);
  color: #fff;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.card-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
  gap: 0.6rem;
}

.dish-cat-name {
  font-size: 0.72rem;
  color: var(--primary-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.dish-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;

  /* Line clamp 2 lines */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dish-bengali {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dish-cook-info {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.card-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.price-block {
  display: flex;
  flex-direction: column;
}

.old-price {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.current-price {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.rating-block {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fbbf24;
}

/* Pagination Bar */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.5rem 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Price History Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity 0.25s ease;
}

.modal-overlay.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  background: #0f1626;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.75rem;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.modal-header {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.modal-dish-thumb {
  width: 110px;
  height: 110px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

.modal-dish-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-dish-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cat-pill {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary-accent);
  text-transform: uppercase;
}

.modal-dish-details h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.dish-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Price Metrics Grid */
.price-tracker-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  position: relative;
}

.m-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.m-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
}

.metric-card.current .m-value { color: var(--primary-accent); }
.metric-card.lowest .m-value { color: var(--accent-green); }
.metric-card.highest .m-value { color: var(--accent-red); }
.metric-card.avg .m-value { color: var(--accent-amber); }

.badge-tag.green {
  display: inline-block;
  margin-top: 0.25rem;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  width: fit-content;
}

/* Chart Container */
.chart-container {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.chart-title-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
}

.chart-title-bar h3 {
  font-size: 0.95rem;
  font-weight: 700;
}

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

/* Toast Notification */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  background: rgba(15, 22, 38, 0.95);
  border: 1px solid var(--primary-accent);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  backdrop-filter: blur(12px);
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-notification.hidden {
  display: none;
}

.toast-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--primary-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.toast-content h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.toast-content p {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

@keyframes slideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.hidden {
  display: none !important;
}