/* ============================================
   TUGUOBA DESIGN SYSTEM v1.0
   Modern UI/UX Redesign - Phase 1 Foundation
   ============================================ */

/* 1. FONT IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* 2. CSS CUSTOM PROPERTIES */
:root {
  /* --- Color Palette --- */
  
  /* Primary Brand - Indigo (Creativity + Trust) */
  --color-primary-50:  #EEF2FF;
  --color-primary-100: #E0E7FF;
  --color-primary-200: #C7D2FE;
  --color-primary-300: #A5B4FC;
  --color-primary-400: #818CF8;
  --color-primary-500: #6366F1;
  --color-primary-600: #4F46E5;
  --color-primary-700: #4338CA;
  --color-primary-800: #3730A3;
  --color-primary-900: #312E81;

  /* Secondary Accent - Emerald (Success + Positivity) */
  --color-emerald-50:  #ECFDF5;
  --color-emerald-100: #D1FAE5;
  --color-emerald-200: #A7F3D0;
  --color-emerald-300: #6EE7B7;
  --color-emerald-400: #34D399;
  --color-emerald-500: #10B981;
  --color-emerald-600: #059669;
  --color-emerald-700: #047857;
  --color-emerald-800: #065F46;
  --color-emerald-900: #064E3B;

  /* Neutrals - Modern Slates */
  --color-slate-50:  #F8FAFC;
  --color-slate-100: #F1F5F9;
  --color-slate-200: #E2E8F0;
  --color-slate-300: #CBD5E1;
  --color-slate-400: #94A3B8;
  --color-slate-500: #64748B;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1E293B;
  --color-slate-900: #0F172A;

  /* Semantic Colors */
  --color-success: var(--color-emerald-500);
  --color-warning: #F59E0B;
  --color-error:   #EF4444;
  --color-info:    #3B82F6;

  /* Background Colors */
  --bg-primary:   var(--color-slate-50);
  --bg-secondary: #FFFFFF;
  --bg-tertiary:  var(--color-slate-100);

  /* Text Colors */
  --text-primary:   var(--color-slate-800);
  --text-secondary: var(--color-slate-600);
  --text-muted:     var(--color-slate-400);

  /* Border Colors */
  --border-light: var(--color-slate-200);
  --border-medium: var(--color-slate-300);

  /* --- Typography --- */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Typography Scale */
  --text-xs:     0.75rem;    /* 12px */
  --text-sm:     0.875rem;   /* 14px */
  --text-base:   1rem;       /* 16px */
  --text-lg:     1.125rem;   /* 18px */
  --text-xl:     1.25rem;    /* 20px */
  --text-2xl:    1.5rem;     /* 24px */
  --text-3xl:    1.875rem;   /* 30px */
  --text-4xl:    2.25rem;    /* 36px */
  --text-5xl:    3rem;       /* 48px */

  /* Line Heights */
  --leading-tight:   1.25;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;

  /* Letter Spacing */
  --tracking-tight:  -0.025em;
  --tracking-normal: 0;
  --tracking-wide:   0.025em;

  /* --- Spacing --- */
  --space-0:  0;
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */

  /* --- Border Radius --- */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* --- Transitions --- */
  --transition-fast:   150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow:   300ms ease;

  /* --- Z-Index Scale --- */
  --z-dropdown:   100;
  --z-sticky:     200;
  --z-fixed:      300;
  --z-modal-backdrop: 400;
  --z-modal:      500;
  --z-popover:    600;
  --z-tooltip:    700;
}

/* 3. BASE STYLES */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

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

p {
  margin: 0 0 var(--space-4);
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
}

img {
  max-width: 100%;
  height: auto;
}

/* 4. BUTTON COMPONENTS */

/* Base Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-200);
}

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

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary-600);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-700);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  background-color: var(--color-primary-800);
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-light);
  box-shadow: var(--shadow-xs);
}

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

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

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

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

.btn-danger:hover:not(:disabled) {
  background-color: #DC2626;
}

/* Success Button */
.btn-success {
  background-color: var(--color-success);
  color: #FFFFFF;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

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

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
  font-weight: 600;
}

/* Button Icon - Compact button with modern styling */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  width: 36px;
  height: 36px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover:not(:disabled) {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
}

.btn-icon:active:not(:disabled) {
  background: var(--color-primary-100);
  border-color: var(--color-primary-400);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-icon.btn-sm {
  padding: var(--space-1);
  width: 32px;
  height: 32px;
}

.btn-icon.btn-sm svg {
  width: 16px;
  height: 16px;
}

.btn-icon.btn-lg {
  padding: var(--space-3);
  width: 40px;
  height: 40px;
}

.btn-icon.btn-lg svg {
  width: 24px;
  height: 24px;
}

/* 5. CARD COMPONENTS */

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
  transform: translateY(-2px);
}

.card-interactive {
  cursor: pointer;
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--border-light);
}

/* Card Header */
.card-header {
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-light);
}

.card-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
}

/* Card Footer */
.card-footer {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--border-light);
}

/* 6. FORM ELEMENTS */

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

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

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

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-medium);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
  background-color: var(--bg-secondary);
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Form Helper Text */
.form-helper {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.form-error {
  color: var(--color-error);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary-600);
}

/* Enhanced Select Dropdown Styles */
select.form-select,
.form-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
    cursor: pointer;
    line-height: 1.5;
}

select.form-select:hover,
.form-select:hover {
    border-color: var(--border-medium);
}

select.form-select:focus,
.form-select:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-100);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236366f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

select.form-select:disabled,
.form-select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Select with custom arrow */
.select-wrapper {
    position: relative;
    display: block;
}

.select-wrapper::after {
    content: '';
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-slate-500);
    pointer-events: none;
}

.select-wrapper select {
    padding-right: var(--space-10);
}

/* Inline select group */
.select-inline-group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.select-inline-group select {
    width: auto;
    min-width: 120px;
}

/* 7. NAVIGATION COMPONENTS */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-brand {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar-brand:hover {
  color: var(--color-primary-600);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.nav-link.active {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: var(--space-2);
  margin-top: var(--space-1);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
}

.dropdown-item {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.dropdown-divider {
  height: 1px;
  margin: var(--space-2) 0;
  background-color: var(--border-light);
}

/* Mobile Navigation */
.navbar-toggle {
  display: none;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background-color: var(--bg-secondary);
  padding: var(--space-6);
  overflow-y: auto;
}

.mobile-menu.open {
  display: block;
}

.mobile-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  color: var(--text-primary);
  text-decoration: none;
}

/* Mobile Language Selector - Dropdown Style (consistent with desktop) */
.mobile-language-section {
  padding: var(--space-4) 0;
  margin-bottom: var(--space-4);
}

.mobile-language-selector {
  position: relative;
  width: 100%;
}

.mobile-language-current {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
  text-align: left;
}

.mobile-language-current:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
}

.mobile-language-current.open {
  background: var(--color-primary-50);
  border-color: var(--color-primary-400);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.mobile-lang-name {
  flex: 1;
  font-weight: 500;
  color: inherit;
}

.mobile-lang-chevron {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.mobile-language-current.open .mobile-lang-chevron {
  transform: rotate(180deg);
}

.mobile-language-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  /* keep collapsed dropdown visually invisible: no border when closed */
  margin-top: -1px;
  background: var(--bg-secondary);
  border: none;
  border-radius: var(--radius-lg);
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: var(--z-dropdown);
}

.mobile-language-dropdown.open {
  /* show a single continuous border when opened */
  margin-top: -1px;
  border: 1px solid var(--color-primary-400);
  border-top: 1px solid var(--color-primary-300);
  max-height: 400px;
  overflow-y: auto;
}

.mobile-language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-primary);
  text-align: left;
  transition: background 0.15s;
  font-weight: 500;
}

.mobile-language-option:hover {
  background: var(--color-primary-50);
}

.mobile-language-option.mobile-language-current-selected {
  background: var(--color-primary-100);
  font-weight: 600;
  color: var(--color-primary-600);
}

.mobile-lang-option-name {
  flex: 1;
}

/* Responsive adjustments for mobile language selector */
@media (max-width: 600px) {
  .mobile-language-current {
    padding: 8px 10px;
    font-size: var(--text-xs);
  }
  
  .mobile-language-option {
    padding: 8px 12px;
    font-size: var(--text-xs);
  }
}

/* Navbar responsive improvements */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  overflow: visible;
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  height: auto;
  flex-wrap: wrap;
  gap: 8px;
}

.navbar-brand {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.navbar-brand:hover {
  color: var(--color-primary-600);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  flex: 1;
  justify-content: flex-start;
  margin-left: 16px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px 8px;
  font-size: clamp(10px, 1.2vw, 13px);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.nav-link.active {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

/* Navbar right section - language and RTL toggle */
.navbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

/* Language selector in navbar - simplified compact design */
.nav-language-selector {
  position: relative;
}

.nav-language-current {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: clamp(10px, 1.2vw, 12px);
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.nav-language-current:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

.nav-lang-icon {
  width: clamp(14px, 1.5vw, 16px);
  height: clamp(14px, 1.5vw, 16px);
}

.nav-lang-code {
  text-transform: uppercase;
}

/* Navbar language selector - matching top language selector style */
.nav-language-selector {
  position: relative;
}

.nav-language-current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: clamp(10px, 1.2vw, 13px);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.nav-language-current:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
  color: var(--text-primary);
}

.nav-language-current.open {
  background: var(--color-primary-50);
  border-color: var(--color-primary-400);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.nav-lang-icon {
  width: clamp(14px, 1.5vw, 16px);
  height: clamp(14px, 1.5vw, 16px);
}

.nav-lang-name {
  font-weight: 500;
}

.nav-lang-chevron {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.nav-language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: -1px;
  min-width: 220px;
  background: var(--bg-secondary);
  border: 1px solid var(--color-primary-400);
  border-radius: var(--radius-lg);
  border-top-left-radius: 0;
  }

.nav-language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: clamp(11px, 1.3vw, 14px);
  color: var(--text-primary);
  text-align: left;
  transition: background 0.15s;
  white-space: nowrap;
}

.nav-language-option:hover {
  background: var(--color-primary-50);
}

.nav-language-option.active {
  background: var(--color-primary-100);
  font-weight: 600;
  color: var(--color-primary-600);
}

.nav-lang-flag {
  font-weight: 600;
  min-width: 26px;
  text-align: center;
}

/* Mobile styles for language selector */
@media (max-width: 768px) {
  .nav-language-current {
    padding: 6px 8px;
    font-size: 12px;
  }
  
  .nav-lang-name {
    display: none;
  }
  
  .nav-language-dropdown {
    min-width: 180px;
    max-height: 280px;
  }
  
  .nav-language-option {
    padding: 8px 12px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .nav-language-current {
    padding: 6px;
  }
  
  .nav-language-current {
    border: none;
    background: transparent;
  }
  
  .nav-language-current:hover {
    background: var(--color-primary-50);
  }
}

/* Language selector in navbar - simplified compact design */
.nav-language-selector {
  position: relative;
}

.nav-language-current {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.nav-language-current:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
}

.nav-lang-icon {
  width: 16px;
  height: 16px;
}

.nav-lang-code {
  text-transform: uppercase;
}

.nav-language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 180px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
  z-index: 1000;
  overflow: hidden;
}

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

.nav-language-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: clamp(11px, 1.3vw, 13px);
  color: var(--text-primary);
  text-align: left;
  transition: background 0.15s;
}

.nav-language-option:hover {
  background: var(--color-primary-50);
}

.nav-language-option.active {
  background: var(--color-primary-100);
  font-weight: 600;
  color: var(--color-primary-600);
}

.nav-lang-flag {
  font-weight: 600;
  min-width: 24px;
  color: var(--text-secondary);
}

.nav-lang-name {
  flex: 1;
}

.nav-language-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
  text-align: left;
  transition: background 0.15s;
}

.nav-language-option:hover {
  background: var(--color-primary-50);
}

.nav-language-option.active {
  background: var(--color-primary-100);
  font-weight: 600;
  color: var(--color-primary-600);
}

.nav-lang-flag {
  font-weight: 600;
  min-width: 24px;
  color: var(--text-secondary);
}

.nav-lang-name {
  flex: 1;
}

/* RTL Toggle button - compact */
.nav-rtl-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-rtl-toggle:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-200);
  color: var(--color-primary-600);
}

.nav-rtl-toggle svg {
  width: 14px;
  height: 14px;
}

/* Responsive breakpoints */
/* Large tablets */
@media (max-width: 1200px) {
  .navbar-container {
    padding: 0 var(--space-4);
  }
  
  .nav-link {
    padding: var(--space-1) var(--space-2);
    font-size: 11px;
  }
  
  .navbar-right {
    gap: var(--space-1);
  }
}

/* Tablet and below - use hamburger menu */
@media (max-width: 1024px) {
  .navbar-menu {
    display: none;
  }
  
  .navbar-toggle {
    display: block;
  }
}

/* Small tablets */
@media (max-width: 768px) {
  .navbar-container {
    min-height: 50px;
  }
  
  .navbar-brand {
    font-size: var(--text-base);
  }
  
  .navbar-brand span {
    display: none;
  }
  
  .nav-rtl-text {
    display: none;
  }
  
  .nav-rtl-toggle {
    padding: var(--space-2);
  }
}

/* 8. BADGE COMPONENT */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge-success {
  background-color: var(--color-emerald-100);
  color: var(--color-emerald-700);
}

.badge-warning {
  background-color: #FEF3C7;
  color: #92400E;
}

.badge-error {
  background-color: #FEE2E2;
  color: #B91C1C;
}

/* 9. ALERT COMPONENT */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid;
  margin-bottom: var(--space-4);
}

.alert-primary {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-200);
  color: var(--color-primary-800);
}

.alert-success {
  background-color: var(--color-emerald-50);
  border-color: var(--color-emerald-200);
  color: var(--color-emerald-800);
}

.alert-warning {
  background-color: #FEF3C7;
  border-color: #FDE68A;
  color: #92400E;
}

.alert-error {
  background-color: #FEE2E2;
  border-color: #FECACA;
  color: #B91C1C;
}

/* 10. CONTAINER & LAYOUT */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.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); }

@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { grid-template-columns: 1fr; }
}

/* Flex Utilities */
.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; }
.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); }

/* 11. SPACING UTILITIES */
.m-0  { margin: var(--space-0); }
.m-1  { margin: var(--space-1); }
.m-2  { margin: var(--space-2); }
.m-4  { margin: var(--space-4); }
.m-6  { margin: var(--space-6); }
.m-8  { margin: var(--space-8); }

.mt-0 { margin-top: var(--space-0); }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.my-12 { margin-top: var(--space-12); margin-bottom: var(--space-12); }
.my-16 { margin-top: var(--space-16); margin-bottom: var(--space-16); }

.p-0  { padding: var(--space-0); }
.p-2  { padding: var(--space-2); }
.p-4  { padding: var(--space-4); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

/* 12. TEXT UTILITIES */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

/* 13. VISIBILITY & DISPLAY */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }

.visible { visibility: visible; }
.invisible { visibility: hidden; }

@media (max-width: 1024px) {
  .lg\:hidden { display: none !important; }
  .lg\:block { display: block !important; }
}

@media (max-width: 768px) {
  .md\:hidden { display: none !important; }
  .md\:block { display: block !important; }
}

@media (max-width: 640px) {
  .sm\:hidden { display: none !important; }
  .sm\:block { display: block !important; }
}

/* 14. PROGRESS BAR */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary-500);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

/* 15. UPLOAD ZONE */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-6);
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  background-color: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.upload-zone:hover {
  border-color: var(--color-primary-400);
  background-color: var(--color-primary-50);
}

.upload-zone.active {
  border-color: var(--color-primary-500);
  background-color: var(--color-primary-50);
}

.upload-zone-icon {
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.upload-zone-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.upload-zone-hint {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* 16. MODAL COMPONENT */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  overflow: auto;
}

.modal.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

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

.modal-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal-close {
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--border-light);
}

/* 18. UTILITY CLASSES */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }

/* 19. ANIMATIONS */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(10px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from { 
    opacity: 0;
    transform: translateY(-10px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fadeIn { animation: fadeIn var(--transition-normal) ease-out; }
.animate-slideUp { animation: slideUp var(--transition-normal) ease-out; }
.animate-slideDown { animation: slideDown var(--transition-normal) ease-out; }
.animate-spin { animation: spin 1s linear infinite; }

/* 20. RESPONSIVE UTILITIES */
@media (max-width: 1280px) {
  .container { max-width: 1024px; }
}

@media (max-width: 1024px) {
  .container { max-width: 768px; }
  
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-4); }
  
  h1 { font-size: var(--text-2xl); }
  h2 { font-size: var(--text-xl); }
  h3 { font-size: var(--text-lg); }
  
  .btn { padding: var(--space-3) var(--space-5); }
}

/* 21. ICONS (Inline SVG base styles) */
.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 24px; height: 24px; }
.icon-xl { width: 32px; height: 32px; }

/* 22. SPINNER */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-top-color: var(--color-primary-500);
  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: 3px;
}

/* 23. IMAGE STYLES */
.img-responsive {
  width: 100%;
  height: auto;
  display: block;
}

.img-rounded {
  border-radius: var(--radius-lg);
}

.img-circle {
  border-radius: var(--radius-full);
}

.img-thumbnail {
  padding: var(--space-2);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

/* 24. BACKGROUND COLORS */
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }

.bg-primary-50 { background-color: var(--color-primary-50); }
.bg-primary-100 { background-color: var(--color-primary-100); }
.bg-primary-500 { background-color: var(--color-primary-500); }
.bg-primary-600 { background-color: var(--color-primary-600); }

/* 25. BORDER UTILITIES */
.border { border: 1px solid var(--border-light); }
.border-t { border-top: 1px solid var(--border-light); }
.border-b { border-bottom: 1px solid var(--border-light); }
.border-l { border-left: 1px solid var(--border-light); }
.border-r { border-right: 1px solid var(--border-light); }

.border-0 { border: none; }
.border-none { border: none; }

.rounded-b-xl { border-bottom-left-radius: var(--radius-xl); border-bottom-right-radius: var(--radius-xl); }
.rounded-t-xl { border-top-left-radius: var(--radius-xl); border-top-right-radius: var(--radius-xl); }

/* ============================================
   PHASE 3: ADDITIONAL ANIMATIONS & UTILITIES
   ============================================ */

/* Page Transitions */
.page-transition {
    animation: pageIn var(--transition-slow) ease-out;
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp var(--transition-slow) ease-out;
}

/* Staggered Animation Delays */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }

/* Hover Effects */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-fast);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Focus Ring */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-200);
}

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

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

/* Pulse Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 100% { transform: translateY(-5%); }
    50% { transform: translateY(0); }
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

/* Scale In Animation */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-scaleIn {
    animation: scaleIn var(--transition-normal) ease-out;
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slideInLeft {
    animation: slideInLeft var(--transition-normal) ease-out;
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slideInRight {
    animation: slideInRight var(--transition-normal) ease-out;
}

/* Blur In Animation */
@keyframes blurIn {
    from {
        opacity: 0;
        filter: blur(10px);
    }
    to {
        opacity: 1;
        filter: blur(0);
    }
}

.animate-blurIn {
    animation: blurIn var(--transition-slow) ease-out;
}

/* Loading Dots */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background-color: currentColor;
    border-radius: 50%;
    animation: dots-bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dots-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Ripple Effect Base */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.ripple:active::after {
    width: 200px;
    height: 200px;
    opacity: 1;
    transition: width 0.3s, height 0.3s, opacity 0.3s;
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Shimmer Effect */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% { left: 100%; }
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-3);
    background: var(--color-slate-800);
    color: white;
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-2);
}

.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--color-slate-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-slate-400);
}

/* Selection */
::selection {
    background: var(--color-primary-200);
    color: var(--color-primary-800);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Container Width Utilities */
.container-narrow { max-width: 640px; }
.container-wide { max-width: 1280px; }
.container-full { max-width: 100%; }

/* Aspect Ratio */
.aspect-16-9 { aspect-ratio: 16 / 9; }
.aspect-4-3 { aspect-ratio: 4 / 3; }
.aspect-1-1 { aspect-ratio: 1 / 1; }
.aspect-3-4 { aspect-ratio: 3 / 4; }

/* Line Clamp */
.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Inset Utilities */
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.inset-x-0 { left: 0; right: 0; }
.inset-y-0 { top: 0; bottom: 0; }

/* Opacity Utilities */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Transition Utilities */
.transition-all { transition: all var(--transition-normal); }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-transform { transition: transform var(--transition-normal); }
.transition-opacity { transition: opacity var(--transition-normal); }
.transition-shadow { transition: box-shadow var(--transition-normal); }

/* Will Change */
.will-change-transform { will-change: transform; }
.will-change-opacity { will-change: opacity; }
.will-change-scroll { will-change: scroll-position; }

/* ============================================
   RESPONSIVE NAVBAR BREAKPOINTS
   ============================================ */

/* Large tablets and below */
@media (max-width: 1200px) {
  .navbar-container {
    padding: 0 var(--space-3);
    gap: 6px;
  }
  
  .navbar-menu {
    margin-left: 12px;
    gap: 1px;
  }
  
  .nav-link {
    padding: 3px 6px;
    font-size: 11px;
  }
}

/* Tablet portrait */
@media (max-width: 992px) {
  .navbar-menu {
    display: none;
  }
  
  .navbar-toggle {
    display: block;
  }
}

/* Mobile landscape */
@media (max-width: 768px) {
  .navbar-container {
    padding: 0 var(--space-2);
    min-height: 44px;
  }
  
  .navbar-brand {
    font-size: 14px;
  }
  
  .navbar-brand span {
    display: none;
  }
  
  .navbar-right {
    gap: 2px;
  }
  
  .nav-language-current {
    padding: 4px 6px;
  }
  
  .nav-lang-code {
    display: none;
  }
}

/* Mobile portrait */
@media (max-width: 480px) {
  .navbar-container {
    flex-wrap: wrap;
  }
  
  .navbar-right {
    margin-left: 0;
  }
}


/* Hide old page header language selector */
.language-selector {
  display: none !important;
}

/* Hide RTL toggle button in language_manual since it's now in navbar */
.rtl-toggle-btn {
  display: none !important;
}