/**
 * VIBBLE UNIFIED DESIGN SYSTEM - VERSION 1.0
 * Global styles for consistent UI across all pages
 * 
 * This file provides:
 * - Design tokens (colors, spacing, typography)
 * - Component styles (buttons, inputs, cards, modals)
 * - Layout utilities
 * - Animation system
 */

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Color Palette */
  --color-bg-primary: #000000;
  --color-bg-secondary: #16181c;
  --color-bg-tertiary: #1d1f23;
  --color-bg-elevated: #202327;
  --color-bg-hover: rgba(255, 255, 255, 0.03);
  --color-bg-active: rgba(255, 255, 255, 0.06);
  
  /* Accent Colors */
  --color-accent: #1d9bf0;
  --color-accent-hover: #1a8cd8;
  --color-accent-active: #1786cc;
  
  /* Semantic Colors */
  --color-success: #00ba7c;
  --color-warning: #ffad1f;
  --color-error: #f4212e;
  --color-info: #1d9bf0;
  
  /* Text Colors */
  --color-text-primary: #e7e9ea;
  --color-text-secondary: #71767b;
  --color-text-tertiary: #536471;
  --color-text-link: #1d9bf0;
  --color-text-danger: #f4212e;
  
  /* Border Colors */
  --color-border: #2f3336;
  --color-border-light: #38444d;
  --color-border-focus: #1d9bf0;
  
  /* Verification Colors */
  --color-verified-blue: #1d9bf0;
  --color-verified-gold: #e8b300;
  --color-verified-gray: #829aab;
  
  /* Spacing Scale (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Font Sizes */
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 23px;
  --text-3xl: 31px;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-tight: 1.2;
  --leading-normal: 1.4;
  --leading-relaxed: 1.5;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-dropdown: 0 0 15px rgba(255, 255, 255, 0.2);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* Z-Index Scale */
  --z-dropdown: 50;
  --z-sticky: 100;
  --z-modal-backdrop: 200;
  --z-modal: 210;
  --z-tooltip: 300;
  --z-toast: 400;
}

/* ============================================
   BASE RESET & GLOBAL STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* Hide scrollbars but allow scrolling */
::-webkit-scrollbar {
  width: 0;
  height: 0;
}

* {
  scrollbar-width: none;
}

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

a:hover {
  text-decoration: underline;
}

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

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

p {
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-small {
  font-size: var(--text-sm);
}

/* ============================================
   BUTTONS - UNIFIED STYLES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  height: 36px;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Primary Button - Main actions */
.btn-primary {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
}

.btn-primary:hover:not(:disabled) {
  background: #d7dbdc;
}

/* Secondary Button - Outline style */
.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-light);
}

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

/* Accent Button - Blue call-to-action */
.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-accent:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

/* Danger Button - Destructive actions */
.btn-danger {
  background: var(--color-error);
  color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
  background: #dc1e2a;
}

/* Ghost Button - Minimal style */
.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
}

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

/* Button Sizes */
.btn-sm {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
}

.btn-lg {
  height: 44px;
  padding: 0 var(--space-6);
  font-size: var(--text-lg);
}

.btn-xl {
  height: 52px;
  padding: 0 var(--space-8);
  font-size: var(--text-lg);
}

/* Icon Button */
.btn-icon {
  width: 36px;
  padding: 0;
}

.btn-icon.btn-sm {
  width: 32px;
}

.btn-icon.btn-lg {
  width: 44px;
}

/* Full Width Button */
.btn-block {
  width: 100%;
}

/* ============================================
   FORM INPUTS - UNIFIED STYLES
   ============================================ */
.form-group {
  margin-bottom: var(--space-4);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 1px var(--color-border-focus);
}

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

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background: var(--color-bg-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Input with error */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

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

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

/* Character Counter */
.char-counter {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: right;
  margin-top: var(--space-1);
}

.char-counter.warning {
  color: var(--color-warning);
}

.char-counter.error {
  color: var(--color-error);
}

/* Textarea */
.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Select */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2371767b' d='M6 8.825L1.175 4l.825-.825L6 7.175 10 3.175l.825.825z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-checkbox-label,
.form-radio-label {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.4;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ============================================
   CARDS - UNIFIED STYLES
   ============================================ */
.card {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.card-header h3,
.card-header h4,
.card-header h5 {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
}

.card-body {
  padding: var(--space-4);
}

.card-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* Card with hover effect */
.card-interactive {
  cursor: pointer;
  transition: background var(--transition-fast);
}

.card-interactive:hover {
  background: var(--color-bg-tertiary);
}

/* Card list item */
.card-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transition: background var(--transition-fast);
}

.card-list-item:hover {
  background: var(--color-bg-hover);
}

/* ============================================
   MODALS - UNIFIED STYLES
   ============================================ */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(91, 112, 131, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.95);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.modal-backdrop.active .modal {
  transform: scale(1);
  opacity: 1;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-4);
  height: 53px;
  border-bottom: 1px solid var(--color-border);
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-hover);
}

.modal-title {
  flex: 1;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.modal-body {
  padding: var(--space-4);
  max-height: calc(90vh - 53px - 60px);
  overflow-y: auto;
}

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

/* Small Modal */
.modal-sm {
  max-width: 400px;
}

/* Large Modal */
.modal-lg {
  max-width: 800px;
}

/* Confirmation Modal */
.modal-confirm .modal-body {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.modal-confirm .modal-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
}

.modal-confirm .modal-message {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* Loading Overlay for async operations */
.vb-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.vb-loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.vb-loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.vb-loading-text {
  color: var(--color-text-primary);
  font-size: var(--text-base);
}

/* Toast action button */
.toast-action {
  background: transparent;
  border: none;
  color: inherit;
  font-weight: var(--font-bold);
  cursor: pointer;
  padding: 0;
  margin-left: var(--space-3);
  text-decoration: underline;
}

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
}

.alert-info {
  background: rgba(29, 155, 240, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(29, 155, 240, 0.3);
}

.alert-success {
  background: rgba(0, 186, 124, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(0, 186, 124, 0.3);
}

.alert-warning {
  background: rgba(255, 173, 31, 0.1);
  color: var(--color-warning);
  border: 1px solid rgba(255, 173, 31, 0.3);
}

.alert-error {
  background: rgba(244, 33, 46, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(244, 33, 46, 0.3);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-md);
  animation: toast-in 0.3s ease;
}

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

/* ============================================
   LOADING STATES
   ============================================ */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 4px;
}

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

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  z-index: var(--z-modal);
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.skeleton-text {
  height: 16px;
  margin-bottom: var(--space-2);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.skeleton-image {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-lg);
}

/* ============================================
   DIVIDERS
   ============================================ */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.divider-text::before,
.divider-text::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--color-accent);
  color: #ffffff;
}

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

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

.badge-warning {
  background: var(--color-warning);
  color: #000000;
}

.badge-danger {
  background: var(--color-error);
  color: #ffffff;
}

/* ============================================
   AVATARS
   ============================================ */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
}

.avatar-lg {
  width: 64px;
  height: 64px;
}

.avatar-xl {
  width: 96px;
  height: 96px;
}

/* ============================================
   LISTS
   ============================================ */
.list {
  list-style: none;
}

.list-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  transition: background var(--transition-fast);
}

.list-item:hover {
  background: var(--color-bg-hover);
}

.list-item-active {
  background: var(--color-bg-active);
}

/* ============================================
   TABS
   ============================================ */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.tab {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 53px;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

.tab.active {
  color: var(--color-text-primary);
  font-weight: var(--font-bold);
}

.tab.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* ============================================
   DROPDOWN MENUS
   ============================================ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg-hover);
}

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

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

/* ============================================
   SETTINGS PAGE STYLES
   ============================================ */
.settings-container {
  max-width: 600px;
  margin: 0 auto;
}

.settings-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-4);
  height: 53px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.settings-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

.settings-back:hover {
  background: var(--color-bg-hover);
  text-decoration: none;
}

.settings-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.settings-section {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.settings-section-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.settings-section-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
}

.settings-row-label {
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

.settings-row-value {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* Settings Menu Item */
.settings-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.settings-menu-item:hover {
  background: var(--color-bg-hover);
  text-decoration: none;
}

.settings-menu-item-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}

.settings-menu-item-content {
  flex: 1;
}

.settings-menu-item-title {
  font-size: var(--text-base);
  font-weight: var(--font-normal);
}

.settings-menu-item-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.settings-menu-item-arrow {
  color: var(--color-text-tertiary);
}

/* Danger Zone */
.settings-danger {
  border-top: 1px solid var(--color-error);
}

.settings-danger .settings-menu-item {
  color: var(--color-error);
}

/* ============================================
   MORE MENU - SCROLLABLE MODAL
   ============================================ */
.more-menu {
  position: fixed;
  bottom: 80px;
  left: var(--space-4);
  width: 318px;
  max-height: calc(100vh - 160px);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-dropdown);
  overflow: hidden;
  z-index: var(--z-dropdown);
}

.more-menu-scroll {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  padding: var(--space-2) 0;
}

.more-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.more-menu-item:hover {
  background: var(--color-bg-hover);
  text-decoration: none;
}

.more-menu-item i {
  width: 20px;
  font-size: 20px;
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-4);
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  color: var(--color-text-tertiary);
}

.empty-state-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 320px;
  margin-bottom: var(--space-6);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden { display: none !important; }
.block { display: block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Margin Utilities */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

/* Padding Utilities */
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}