/**
 * Signal Copier Pro - Design System
 * 
 * Single source of truth for all styling.
 * Import this in every page for consistent design.
 * Supports both dark (default) and light themes.
 */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================================================== */

:root {
  /* Colors - Primary */
  --color-primary: #00d4aa;
  --color-primary-dark: #00a884;
  --color-primary-light: #00f5c4;
  --color-primary-glow: rgba(0, 212, 170, 0.3);
  --color-primary-subtle: rgba(0, 212, 170, 0.1);
  --color-secondary: #8b5cf6;
  
  /* Colors - Background (Dark Theme - Default) */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --bg-card: #1a1a24;
  --bg-card-hover: #22222e;
  --bg-input: #0f0f14;
  --bg-overlay: rgba(0, 0, 0, 0.7);
  
  /* Colors - Text (Dark Theme) */
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --text-inverse: #0a0a0f;
  
  /* Colors - Semantic */
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.1);
  --color-info: #3b82f6;
  --color-info-bg: rgba(59, 130, 246, 0.1);
  
  /* Colors - Trading */
  --color-long: #10b981;
  --color-short: #ef4444;
  --color-profit: #10b981;
  --color-loss: #ef4444;
  
  /* Borders (Dark Theme) */
  --border-color: #2a2a3a;
  --border-color-light: #3a3a4a;
  --border-focus: rgba(0, 212, 170, 0.5);
  
  /* Theme indicator */
  --theme-icon: "🌙";
}

/* ==========================================================================
   LIGHT THEME
   ========================================================================== */

[data-theme="light"] {
  /* Colors - Background (Light Theme) */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* Colors - Text (Light Theme) */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Borders (Light Theme) */
  --border-color: #e2e8f0;
  --border-color-light: #cbd5e1;
  
  /* Shadows (Light Theme) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  
  /* Semantic adjustments for light theme */
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  --color-danger-bg: rgba(239, 68, 68, 0.15);
  --color-info-bg: rgba(59, 130, 246, 0.15);
  
  /* Theme indicator */
  --theme-icon: "☀️";
  --border-radius-sm: 6px;
  --border-radius: 10px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 4px 20px var(--color-primary-glow);
  
  /* Typography */
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;
  --content-max-width: 1400px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
}

/* Background grid pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 212, 170, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

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

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

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

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

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

.font-mono { font-family: var(--font-mono); }

/* ==========================================================================
   LAYOUT COMPONENTS
   ========================================================================== */

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

.app-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
}

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

.app-header {
  height: var(--header-height);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.app-content {
  flex: 1;
  padding: var(--space-8);
  max-width: var(--content-max-width);
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */

.sidebar-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-glow);
}

.sidebar-brand {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.nav-section {
  padding: 0 var(--space-4);
  margin-bottom: var(--space-4);
}

.nav-section-title {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  margin-bottom: var(--space-1);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.nav-item.active {
  background: rgba(0, 212, 170, 0.15);
  color: var(--color-primary);
}

.nav-item .icon {
  font-size: var(--font-size-lg);
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(0, 212, 170, 0.03) 0%, transparent 100%);
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--bg-input);
}

/* Stat Cards */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-5);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.stat-value.positive { color: var(--color-profit); }
.stat-value.negative { color: var(--color-loss); }

.stat-change {
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px var(--color-primary-glow);
}

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

.btn-secondary:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.btn-danger {
  background: var(--color-danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.2);
}

.btn-success {
  background: var(--color-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

/* ==========================================================================
   TABLES
   ========================================================================== */

.table-container {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: var(--bg-input);
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--bg-card-hover);
}

.table td {
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

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

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

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

.badge-muted {
  background: rgba(107, 107, 123, 0.2);
  color: var(--text-muted);
}

/* Trading badges */
.badge-long {
  background: var(--color-success-bg);
  color: var(--color-long);
}

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

/* ==========================================================================
   TOGGLE / SWITCH
   ========================================================================== */

.toggle {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--bg-input);
  border-radius: 13px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.toggle.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-normal);
}

.toggle.active::after {
  transform: translateX(22px);
}

/* ==========================================================================
   MODALS
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--space-1);
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

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

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 300px;
  box-shadow: var(--shadow-lg);
  animation: slideIn var(--transition-normal) ease;
}

.toast.success { border-color: var(--color-success); }
.toast.error { border-color: var(--color-danger); }
.toast.warning { border-color: var(--color-warning); }
.toast.info { border-color: var(--color-info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--bg-input) 25%, var(--bg-card) 50%, var(--bg-input) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Spacing */
.m-0 { margin: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Text */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Responsive Grid */
@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SCROLLBAR
   ========================================================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   THEME SWITCH COMPONENT
   ========================================================================== */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.theme-toggle .theme-icon {
  font-size: 1.1rem;
  line-height: 1;
}

/* Theme Switch (Toggle Style) */
.theme-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.theme-switch-slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.theme-switch input:checked + .theme-switch-slider::before {
  transform: translateX(30px);
}

.theme-switch-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  transition: opacity var(--transition-fast);
}

.theme-switch-icon.sun {
  left: 8px;
  opacity: 0;
}

.theme-switch-icon.moon {
  right: 8px;
  opacity: 1;
}

.theme-switch input:checked + .theme-switch-slider .sun {
  opacity: 1;
}

.theme-switch input:checked + .theme-switch-slider .moon {
  opacity: 0;
}

/* Light theme scrollbar adjustments */
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}