/* CaloriesSnap - Dark Theme */

/* ===== DARK THEME ROOT COLORS ===== */
body.dark-theme {
  /* Primary Colors */
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #a78bfa;
  --secondary: #ec4899;
  
  /* Background Colors */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  /* Text Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-light: #94a3b8;
  
  /* Border & Dividers */
  --border-color: #334155;
  --divider-color: #475569;
  
  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
}

/* ===== BODY & CONTAINERS ===== */
body.dark-theme {
  background: var(--bg-primary);
  color: var(--text-primary);
}

body.dark-theme .app-container {
  background: var(--bg-primary);
}

body.dark-theme .main-content {
  background: var(--bg-primary);
}

/* ===== HEADER ===== */
body.dark-theme .app-header {
  background: var(--bg-secondary);
  border-bottom-color: var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

body.dark-theme .header-title {
  color: var(--primary-light);
}

body.dark-theme .icon-btn {
  color: var(--text-secondary);
}

body.dark-theme .icon-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* ===== CARDS & CONTAINERS ===== */
body.dark-theme .macro-card,
body.dark-theme .meal-card,
body.dark-theme .food-card,
body.dark-theme .recent-food-item,
body.dark-theme .chart-container,
body.dark-theme .settings-section,
body.dark-theme .goals-section,
body.dark-theme .badges-section,
body.dark-theme .stats-summary,
body.dark-theme .weekly-summary,
body.dark-theme .achievements-section,
body.dark-theme .stats-section > div:not(.streak-calendar):not(.stats-summary-grid),
body.dark-theme .plan-section > div {
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

/* ===== CALORIE RING ===== */
body.dark-theme .greeting-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  box-shadow: var(--shadow-lg);
}

body.dark-theme .greeting-text h2,
body.dark-theme .greeting-name {
  color: white;
}

body.dark-theme .edit-name-btn {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}

body.dark-theme .edit-name-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

body.dark-theme .ring-bg {
  stroke: var(--bg-tertiary);
}

body.dark-theme .calories-number {
  color: var(--primary-light);
}

body.dark-theme .calories-label {
  color: var(--text-secondary);
}

/* ===== STREAK CONTAINER ===== */
body.dark-theme .streak-container {
  background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
}

/* ===== MACRO CARDS ===== */
body.dark-theme .macro-value {
  color: var(--text-primary);
}

body.dark-theme .macro-label {
  color: var(--text-secondary);
}

body.dark-theme .macro-goal {
  color: var(--text-light);
}

/* ===== TEXT COLORS ===== */
body.dark-theme h1,
body.dark-theme h2,
body.dark-theme h3,
body.dark-theme h4,
body.dark-theme h5,
body.dark-theme h6 {
  color: var(--text-primary);
}

body.dark-theme p {
  color: var(--text-secondary);
}

body.dark-theme .section-header h2 {
  color: var(--text-primary);
}

/* ===== SEARCH BOX ===== */
body.dark-theme .search-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

body.dark-theme .search-box input {
  background: transparent;
  color: var(--text-primary);
}

body.dark-theme .search-box input::placeholder {
  color: var(--text-light);
}

body.dark-theme .search-icon {
  color: var(--text-light);
}

body.dark-theme .voice-btn {
  color: var(--primary-light);
}

/* ===== CATEGORY BUTTONS ===== */
body.dark-theme .category-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

body.dark-theme .category-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===== FOOD CARDS ===== */
body.dark-theme .food-name {
  color: var(--text-primary);
}

body.dark-theme .food-category {
  color: var(--text-light);
}

body.dark-theme .recent-food-name {
  color: var(--text-primary);
}

body.dark-theme .recent-food-meta {
  color: var(--text-secondary);
}

/* ===== FORMS & INPUTS ===== */
body.dark-theme input[type="text"],
body.dark-theme input[type="number"],
body.dark-theme input[type="email"],
body.dark-theme input[type="password"],
body.dark-theme textarea,
body.dark-theme select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

body.dark-theme input::placeholder,
body.dark-theme textarea::placeholder {
  color: var(--text-light);
}

body.dark-theme input:focus,
body.dark-theme textarea:focus,
body.dark-theme select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* ===== BUTTONS ===== */
body.dark-theme .primary-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

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

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

body.dark-theme .danger-btn {
  background: var(--error);
  color: white;
}

body.dark-theme .save-btn {
  background: var(--success);
}

body.dark-theme .quick-add-btn {
  background: var(--primary);
}

/* ===== BOTTOM NAVIGATION ===== */
body.dark-theme .bottom-nav {
  background: var(--bg-secondary);
  border-top-color: var(--border-color);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
}

body.dark-theme .nav-item {
  color: var(--text-light);
}

body.dark-theme .nav-item.active {
  color: var(--primary-light);
}

/* ===== FLOATING ADD BUTTON ===== */
body.dark-theme .floating-add-btn {
  background: linear-gradient(135deg, #ff2d55 0%, #ff6b9d 100%);
  box-shadow: 0 10px 30px rgba(255, 45, 85, 0.5), 0 6px 20px rgba(0, 0, 0, 0.5);
}

/* ===== MODAL ===== */
body.dark-theme .modal {
  background: rgba(0, 0, 0, 0.8);
}

body.dark-theme .modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

body.dark-theme .modal-header {
  border-bottom-color: var(--border-color);
}

body.dark-theme .modal-close {
  color: var(--text-secondary);
}

body.dark-theme .modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* ===== PORTION OPTIONS ===== */
body.dark-theme .portion-option {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

body.dark-theme .portion-option:hover {
  border-color: var(--primary);
  background: var(--bg-secondary);
}

body.dark-theme .portion-size {
  color: var(--text-primary);
}

body.dark-theme .portion-info {
  color: var(--text-secondary);
}

body.dark-theme .portion-macros {
  color: var(--text-light);
}

/* ===== NAME EDIT MODAL ===== */
body.dark-theme .name-input-container label {
  color: var(--text-primary);
}

body.dark-theme .name-input-container input {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

body.dark-theme .name-input-container input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* ===== STATS & CHARTS ===== */
body.dark-theme .summary-value {
  color: var(--primary-light);
}

body.dark-theme .summary-label {
  color: var(--text-secondary);
}

body.dark-theme .stat-value {
  color: var(--primary-light);
}

body.dark-theme .stat-label {
  color: var(--text-secondary);
}

body.dark-theme .date-range {
  color: var(--text-secondary);
}

/* Chart.js Dark Theme Adjustments */
body.dark-theme canvas {
  filter: brightness(0.9);
}

/* ===== ACHIEVEMENTS & BADGES ===== */
body.dark-theme .achievement-item {
  background: var(--bg-tertiary);
}

body.dark-theme .achievement-name {
  color: var(--text-primary);
}

body.dark-theme .achievement-desc {
  color: var(--text-secondary);
}

body.dark-theme .badge-item {
  background: var(--bg-tertiary);
}

body.dark-theme .badge-item.unlocked {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

body.dark-theme .badge-name {
  color: var(--text-primary);
}

/* ===== SETTINGS ===== */
body.dark-theme .settings-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

body.dark-theme .profile-avatar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

body.dark-theme .profile-name-display strong {
  color: var(--text-primary);
}

body.dark-theme .profile-subtitle {
  color: var(--text-secondary);
}

body.dark-theme .icon-btn-small {
  color: var(--primary-light);
}

body.dark-theme .icon-btn-small:hover {
  background: var(--bg-tertiary);
}

body.dark-theme .setting-item {
  border-bottom-color: var(--border-color);
}

body.dark-theme .setting-label {
  color: var(--text-primary);
}

body.dark-theme .setting-label i {
  color: var(--primary-light);
}

body.dark-theme .stat-row {
  border-bottom-color: var(--border-color);
}

body.dark-theme .stat-row span {
  color: var(--text-secondary);
}

body.dark-theme .stat-row strong {
  color: var(--primary-light);
}

/* ===== TOGGLE SWITCH ===== */
body.dark-theme .toggle {
  background: var(--bg-tertiary);
}

body.dark-theme .toggle input:checked + .toggle-slider {
  background: var(--primary);
}

body.dark-theme .toggle-slider {
  background: var(--bg-tertiary);
}

/* ===== ABOUT INFO ===== */
body.dark-theme .about-info p {
  color: var(--text-secondary);
}

body.dark-theme .link-btn {
  color: var(--primary-light);
}

body.dark-theme .link-btn:hover {
  color: var(--primary);
}

/* ===== TOAST NOTIFICATIONS ===== */
body.dark-theme .toast {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

body.dark-theme .toast.success {
  background: var(--success);
  color: white;
  border-color: var(--success);
}

body.dark-theme .toast.error {
  background: var(--error);
  color: white;
  border-color: var(--error);
}

body.dark-theme .toast.warning {
  background: var(--warning);
  color: white;
  border-color: var(--warning);
}

body.dark-theme .toast.info {
  background: var(--info);
  color: white;
  border-color: var(--info);
}

/* ===== EMPTY STATES ===== */
body.dark-theme .empty-state {
  color: var(--text-light);
}

/* ===== LANDING PAGE (Browser Mode) ===== */
body.dark-theme .landing-page {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

body.dark-theme .hero-title {
  color: var(--text-primary);
}

body.dark-theme .hero-subtitle,
body.dark-theme .hero-tagline {
  color: var(--text-secondary);
}

body.dark-theme .feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

body.dark-theme .feature-card h3 {
  color: var(--text-primary);
}

body.dark-theme .feature-card p {
  color: var(--text-secondary);
}

body.dark-theme .cta-button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

/* ===== PWA INSTALL BANNER ===== */
body.dark-theme .pwa-install-banner {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

body.dark-theme .banner-text strong {
  color: var(--text-primary);
}

body.dark-theme .banner-text p {
  color: var(--text-secondary);
}

body.dark-theme .install-btn {
  background: var(--primary);
}

body.dark-theme .close-btn {
  color: var(--text-light);
}

body.dark-theme .close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* ===== PLAN TAB ===== */
body.dark-theme .plan-header {
  color: var(--text-primary);
}

body.dark-theme .plan-subtitle {
  color: var(--text-secondary);
}

body.dark-theme .quick-actions {
  background: var(--bg-secondary);
}

body.dark-theme .plan-week-container {
  background: var(--bg-secondary);
}

body.dark-theme .templates-grid > div,
body.dark-theme .shopping-list {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

/* ===== STATS TAB ENHANCEMENTS ===== */
body.dark-theme .stats-header h2 {
  color: var(--text-primary);
}

body.dark-theme .stats-time-range .time-range-btn {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

body.dark-theme .stats-time-range .time-range-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

body.dark-theme .chart-header-with-action h3 {
  color: var(--text-primary);
}

body.dark-theme .streak-calendar {
  background: var(--bg-secondary);
}

body.dark-theme .stats-summary-grid .summary-stat {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

body.dark-theme .milestones-grid > div,
body.dark-theme .comparison-grid > div,
body.dark-theme .insights-list > div {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

/* ===== MEAL CARDS ===== */
body.dark-theme .meal-title {
  color: var(--text-primary);
}

body.dark-theme .meal-calories {
  color: var(--text-secondary);
}

body.dark-theme .meal-food-item {
  color: var(--text-secondary);
}

/* ===== SCROLLBAR (Webkit browsers) ===== */
body.dark-theme ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

body.dark-theme ::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

body.dark-theme ::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-sm);
}

body.dark-theme ::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* ===== TRANSITIONS ===== */
body.dark-theme * {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Prevent transition on load */
body.dark-theme.no-transition * {
  transition: none !important;
}