/* ==========================================================================
   ICAMS — International Council of Afghanistan Medical Students
   Main Stylesheet

   Table of Contents:
   1.  CSS Custom Properties
   2.  Base Reset & Typography
   3.  Layout System (Container, Grid, Flexbox Utilities)
   4.  Navigation
   5.  Hero Section
   6.  Cards (Generic + Variants)
   7.  Sections
   8.  Grid Layouts
   9.  Forms (including Trilingual Input Groups)
   10. Buttons
   11. Tables
   12. Modal
   13. Admin Panel
   14. Pagination
   15. Alerts / Flash Messages
   16. Language Switcher
   17. Footer
   18. File Cards
   19. Profile Images
   20. Leaderboard
   21. Tabs
   22. Badges / Tags
   23. Tooltips
   24. Loading / Spinner
   25. Print Styles
   26. RTL Support
   ========================================================================== */
.material-symbols-outlined{font-family:'Material Symbols Outlined';font-weight:normal;font-style:normal;font-size:24px;line-height:1;letter-spacing:normal;text-transform:none;display:inline-block;white-space:nowrap;word-wrap:normal;direction:ltr;-webkit-font-smoothing:antialiased;vertical-align:middle;font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24}
.btn .material-symbols-outlined{font-size:1.1em}
.stat-card__icon .material-symbols-outlined{font-size:28px}
.card__title .material-symbols-outlined{font-size:20px;margin-inline-end:8px;vertical-align:text-bottom}
.admin__sidebar-link .material-symbols-outlined{font-size:20px;width:20px;text-align:center}
.admin__breadcrumb .material-symbols-outlined{font-size:18px}
.avatar--placeholder .material-symbols-outlined{font-size:16px}
.footer__social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(21,63,111,.08);color:var(--blue);transition:all .3s}
.footer__social a:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}
.footer__social a svg{width:18px;height:18px}
.form-label .material-symbols-outlined,.form-label svg{font-size:16px;vertical-align:text-bottom;margin-inline-end:4px}
.about-preview__card-icon .material-symbols-outlined,.about-card__icon .material-symbols-outlined{font-size:32px}
.file-card__icon .material-symbols-outlined{font-size:36px}
.lmo-leaderboard__rank-icon .material-symbols-outlined{font-size:24px}
.committee-card__icon .material-symbols-outlined{font-size:36px}
.lmo-card__icon .material-symbols-outlined{font-size:40px}
.lmo-card__logo-placeholder .material-symbols-outlined{font-size:32px}
.nav__user-btn{
  display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius);cursor:pointer;font-size:var(--font-size-sm);color:var(--text-secondary);transition:var(--transition);white-space:nowrap}
.nav__user-btn:hover{background-color:var(--light-gray);color:var(--text-primary)}
.nav__user-btn .material-symbols-outlined{font-size:20px}
.nav__hamburger .material-symbols-outlined{font-size:24px}
.alert__icon .material-symbols-outlined{font-size:20px}
.file-card__date .material-symbols-outlined,.file-card__size .material-symbols-outlined,.file-card__source .material-symbols-outlined{font-size:14px;margin-inline-end:4px;vertical-align:text-bottom}
.search-bar .material-symbols-outlined{font-size:18px}
.lmo-card__toggle .material-symbols-outlined{font-size:20px;transition:transform .3s}
.empty-state .material-symbols-outlined{font-size:48px;opacity:.3}
.settings-card .material-symbols-outlined{font-size:20px}



/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */

.about-preview__card{
  text-align: center;
}

.section__footer{
  text-align: center;
}


:root {
  /* Brand Colors */
  --blue: #153f6f;
  --blue-dark: #0e2d52;
  --blue-soft: #e8f0f9;
  --white: #ffffff;
  --muted: #5d7188;

  /* Extended Palette */
  --accent: #2a9d8f;
  --accent-light: #d4f0ed;
  --accent-dark: #1f7a6f;
  --danger: #e74c3c;
  --danger-light: #fdecea;
  --success: #27ae60;
  --success-light: #eafaf1;
  --warning: #f39c12;
  --warning-light: #fef9e7;
  --info: #2980b9;
  --info-light: #ebf5fb;

  /* Neutrals */
  --light-gray: #f5f7fa;
  --border: #dce3ed;
  --text-primary: #1a2332;
  --text-secondary: #5d7188;
  --text-muted: #8896a7;
  --bg-body: #f5f7fa;
  --bg-card: #ffffff;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(21, 63, 111, 0.08);
  --shadow-md: 0 4px 12px rgba(21, 63, 111, 0.1);
  --shadow-lg: 0 8px 30px rgba(21, 63, 111, 0.12);
  --shadow-xl: 0 16px 48px rgba(21, 63, 111, 0.15);
  --shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.06);

  /* Border Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.5s ease;

  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Typography */
  --font-sans: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Arabic', 'Noto Sans Pashto', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 1100;
  --z-tooltip: 1200;
  --z-toast: 1300;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 70px;
  --sidebar-width: 260px;
}


/* ==========================================================================
   2. Base Reset & Typography
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

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

a:hover {
  color: var(--blue-dark);
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

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

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.01em;
}

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-md);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

strong, b {
  font-weight: var(--font-weight-bold);
}

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

code {
  font-family: var(--font-mono);
  background-color: var(--light-gray);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-xl) 0;
}

::selection {
  background-color: var(--blue);
  color: var(--white);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Screen reader only utility */
.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;
}


/* ==========================================================================
   3. Layout System
   ========================================================================== */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1400px;
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex--inline {
  display: inline-flex;
}

.flex--center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex--between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex--start {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.flex--end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.flex--col {
  display: flex;
  flex-direction: column;
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--gap-sm {
  gap: var(--space-sm);
}

.flex--gap-md {
  gap: var(--space-md);
}

.flex--gap-lg {
  gap: var(--space-lg);
}

.flex--1 {
  flex: 1;
}

.flex--shrink-0 {
  flex-shrink: 0;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.self-center {
  align-self: center;
}

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

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid--auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

.py-md { padding-block: var(--space-md); }
.py-lg { padding-block: var(--space-lg); }
.py-xl { padding-block: var(--space-xl); }
.py-2xl { padding-block: var(--space-2xl); }
.py-3xl { padding-block: var(--space-3xl); }

.px-md { padding-inline: var(--space-md); }
.px-lg { padding-inline: var(--space-lg); }

/* Text Utilities */
.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }

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

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

.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Display Utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.visible-hidden {
  visibility: hidden;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.w-full { width: 100%; }

/* Responsive Visibility */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
  .show-mobile-flex { display: flex !important; }
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hide-tablet { display: none !important; }
  .show-tablet { display: block !important; }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .hide-desktop { display: none !important; }
  .show-desktop { display: block !important; }
}

@media (min-width: 768px) {
  .grid--2-tablet {
    grid-template-columns: repeat(2, 1fr);
  }
}

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


/* ==========================================================================
   4. Navigation
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-sticky);
  transition: var(--transition);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__brand-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--blue);
  white-space: nowrap;
}

.nav__logo-mark {
  color: var(--blue);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav--scrolled {
  box-shadow: var(--shadow-md);
}

/* Keep old aliases for backward compat */
.nav__logo { display: flex; align-items: center; gap: var(--space-sm); text-decoration: none; flex-shrink: 0; }
.nav__logo-img { height: 40px; width: auto; }
.nav__logo-text { font-size: var(--font-size-lg); font-weight: var(--font-weight-bold); color: var(--blue); white-space: nowrap; }

.nav__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.nav__link:hover {
  color: var(--blue);
  background-color: var(--blue-soft);
}

.nav__link--active {
  color: var(--blue);
  background-color: var(--blue-soft);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* Hamburger Menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav__hamburger:hover {
  background-color: var(--light-gray);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav__hamburger span + span {
  margin-top: 5px;
}

.nav__hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-sm));
  left: 0;
  min-width: 200px;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
}

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

.nav__dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius);
  transition: var(--transition);
  text-decoration: none;
  width: 100%;
}

.nav__dropdown-item:hover {
  color: var(--blue);
  background-color: var(--blue-soft);
}

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

/* Mobile Navigation */
.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
  opacity: 0;
  transition: var(--transition);
}

.nav__overlay.is-visible {
  opacity: 1;
}

@media (max-width: 1023px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    background-color: var(--white);
    z-index: var(--z-modal);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-xl) var(--space-lg);
    overflow-y: auto;
    transform: translateX(100%);
    transition: var(--transition);
    gap: var(--space-xs);
  }
  .nav__links.is-open {
    display: flex;
    transform: translateX(0);
  }
  .nav__links .nav__link {
    display: block;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    border-radius: var(--radius);
  }
  .nav__links .nav__dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-inline-start: var(--space-lg);
  }
  .nav__hamburger {
    display: flex;
    flex-shrink: 0;
  }
  .nav__actions {
    gap: var(--space-sm);
    flex-shrink: 1;
    min-width: 0;
  }
  .nav__brand {
    flex-shrink: 1;
    min-width: 0;
  }
  .nav__overlay {
    display: block;
    pointer-events: none;
  }
  .nav__overlay.is-visible {
    pointer-events: auto;
  }
}

@media (max-width: 480px) {
/*  .nav__actions .lang-switcher {
    display: none;
  } */
  .nav__container {
    padding-inline: var(--space-sm);
  }
  .nav__brand-text {
    font-size: var(--font-size-base);
  }
}


/* ==========================================================================
   5. Hero Section
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  padding: var(--space-3xl) var(--space-lg);
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, var(--accent-dark) 100%);
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-body), transparent);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(4px);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  line-height: var(--line-height-tight);
}

.hero__subtitle {
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
  line-height: var(--line-height-relaxed);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__image {
  position: absolute;
  right: -50px;
  bottom: 0;
  max-width: 400px;
  opacity: 0.1;
  z-index: 0;
}

@media (max-width: 767px) {
  .hero {
    min-height: 400px;
    padding: var(--space-2xl) var(--space-md);
  }
  .hero__title {
    font-size: var(--font-size-2xl);
  }
  .hero__subtitle {
    font-size: var(--font-size-base);
  }
}


/* ==========================================================================
   6. Cards (Generic + Variants)
   ========================================================================== */

/* Base Card */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: transparent;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0;
}

.card__body {
  flex: 1;
  overflow-x: auto;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Member Card */
.member-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.member-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border: 3px solid var(--blue-soft);
  transition: var(--transition);
}

.member-card:hover .member-card__avatar {
  border-color: var(--blue);
  transform: scale(1.05);
}

.member-card__name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.member-card__role {
  font-size: var(--font-size-sm);
  color: var(--accent);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.member-card__affiliation {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

/* Committee Card */
.committee-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  border-top: 3px solid var(--blue);
}

.committee-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  background-color: var(--blue-soft);
  border-radius: var(--radius-md);
  font-size: 28px;
  color: var(--blue);
  transition: var(--transition);
}

.committee-card:hover .committee-card__icon {
  background-color: var(--blue);
  color: var(--white);
}

.committee-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.committee-card__desc {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: var(--line-height-normal);
}

/* LMO Card (Local Member Organization) */
.lmo-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
}

.lmo-card__logo {
  width: 60px;
  height: 60px;
  border-radius: var(--radius);
  object-fit: cover;
  flex-shrink: 0;
  background-color: var(--light-gray);
  border: 1px solid var(--border);
}

.lmo-card__info {
  flex: 1;
  min-width: 0;
}

.lmo-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lmo-card__university {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 0;
}

/* File Card - see Section 18 */

/* Stat Card Grid */
.stat-card__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .stat-card__grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .stat-card__grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Stat Card */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  min-height: 140px;
  transition: var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-xl);
}

.stat-card__icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
  opacity: 0.9;
}

.stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
  line-height: 1;
}

.stat-card__label {
  font-size: var(--font-size-sm);
  opacity: 0.85;
  margin-bottom: 0;
}

.stat-card--accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}

.stat-card--success {
  background: linear-gradient(135deg, var(--success) 0%, #1e8449 100%);
}

.stat-card--warning {
  background: linear-gradient(135deg, var(--warning) 0%, #d68910 100%);
}


/* ==========================================================================
   7. Sections
   ========================================================================== */

.section {
  padding: var(--space-3xl) 0;
}

.section--gray {
  background-color: var(--light-gray);
}

.section--blue {
  background-color: var(--blue-soft);
}

.section--white {
  background-color: var(--white);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.section__badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background-color: var(--blue-soft);
  color: var(--blue);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: 0;
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--blue), var(--accent));
  border-radius: 3px;
  margin: var(--space-md) auto 0;
}

.section__header--start {
  text-align: start;
  margin-inline: 0;
  margin-bottom: var(--space-xl);
}

.section__header--start .section__title::after {
  margin-inline: 0;
  margin-top: var(--space-md);
}


/* ==========================================================================
   8. Grid Layouts
   ========================================================================== */

.card-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

@media (min-width: 1200px) {
  .card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* ==========================================================================
   9. Forms
   ========================================================================== */

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

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

.form-label--required::after {
  content: ' *';
  color: var(--danger);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
  margin-bottom: 0;
}

/* Text Inputs */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  appearance: none;
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21, 63, 111, 0.12);
  outline: none;
}

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

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--light-gray);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Select */
.form-select {
  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='%235d7188' d='M6 8.825L1.175 4 2.238 2.938 6 6.7 9.763 2.937 10.825 4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

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

/* File Upload */
.form-file {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-lg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  background-color: var(--light-gray);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.form-file:hover {
  border-color: var(--blue);
  background-color: var(--blue-soft);
}

.form-file__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.form-file__icon {
  font-size: 36px;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

.form-file__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 0;
}

.form-file__text strong {
  color: var(--blue);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.form-check__input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--blue);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check__label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

/* Validation States */
.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--danger);
}

.form-input--error:focus,
.form-textarea--error:focus,
.form-select--error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.12);
}

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

.form-input--success:focus,
.form-textarea--success:focus,
.form-select--success:focus {
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.12);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--danger);
  margin-top: var(--space-xs);
  margin-bottom: 0;
}

/* Inline Form */
.form-inline {
  display: flex;
  align-items: flex-end;
  gap: var(--space-md);
}

.form-inline .form-group {
  margin-bottom: 0;
  flex: 1;
}

/* Trilingual Input Group */
.trilingual-input {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--white);
}

.trilingual-input__tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background-color: var(--light-gray);
}

.trilingual-input__tab {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.trilingual-input__tab:hover {
  color: var(--blue);
  background-color: var(--blue-soft);
}

.trilingual-input__tab--active,
.trilingual-input__tab.is-active {
  color: var(--blue);
  background-color: var(--white);
  border-bottom-color: var(--blue);
}

.trilingual-input__field.is-hidden {
  display: none !important;
}

.trilingual-input__pane {
  display: none;
}

.trilingual-input__pane--active {
  display: block;
}

.trilingual-input__pane .form-input,
.trilingual-input__pane .form-textarea {
  border: none;
  border-radius: 0;
}

.trilingual-input__pane .form-input:focus,
.trilingual-input__pane .form-textarea:focus {
  box-shadow: none;
}

/* Form Actions */
.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

@media (max-width: 767px) {
  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }
  .form-actions {
    flex-direction: column;
  }
  .form-actions .btn {
    width: 100%;
    justify-content: center;
  }
}


/* ==========================================================================
   10. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.btn--outline-white{
  color: #fff;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Sizes */
.btn--sm {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.btn--md {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: 14px 28px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
}

/* Primary (Blue) */
.btn--primary {
  background-color: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.btn--primary:hover {
  background-color: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  background-color: #0a2440;
  border-color: #0a2440;
}

/* Secondary (Outline) */
.btn--secondary {
  background-color: transparent;
  color: var(--blue);
  border-color: var(--blue);
}

.btn--secondary:hover {
  background-color: var(--blue);
  color: var(--white);
}

/* Danger */
.btn--danger {
  background-color: var(--danger);
  color: var(--white);
  border-color: var(--danger);
}

.btn--danger:hover {
  background-color: #c0392b;
  border-color: #c0392b;
  color: var(--white);
  box-shadow: var(--shadow-md);
}

/* Success */
.btn--success {
  background-color: var(--success);
  color: var(--white);
  border-color: var(--success);
}

.btn--success:hover {
  background-color: #219a52;
  border-color: #219a52;
  color: var(--white);
  box-shadow: var(--shadow-md);
}

/* Warning */
.btn--warning {
  background-color: var(--warning);
  color: var(--white);
  border-color: var(--warning);
}

.btn--warning:hover {
  background-color: #d68910;
  border-color: #d68910;
  color: var(--white);
}

/* Accent (Teal) */
.btn--accent {
  background-color: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.btn--accent:hover {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn--ghost:hover {
  background-color: var(--light-gray);
  color: var(--text-primary);
}

/* White (for dark backgrounds) */
.btn--white {
  background-color: var(--white);
  color: var(--blue);
  border-color: var(--white);
}

.btn--white:hover {
  background-color: var(--blue-soft);
  border-color: var(--blue-soft);
  color: var(--blue-dark);
}

/* Icon Button */
.btn--icon {
  padding: 8px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
}

.btn--icon.btn--sm {
  width: 30px;
  height: 30px;
  padding: 6px;
}

.btn--icon.btn--lg {
  width: 44px;
  height: 44px;
  padding: 10px;
}

/* Block Button */
.btn--block {
  display: flex;
  width: 100%;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  border-radius: var(--radius);
  overflow: hidden;
}

.btn-group .btn {
  border-radius: 0;
  border-inline-end-width: 1px;
}

.btn-group .btn:first-child {
  border-start-start-radius: var(--radius);
  border-end-start-radius: var(--radius);
}

.btn-group .btn:last-child {
  border-inline-end-width: 2px;
  border-start-end-radius: var(--radius);
  border-end-end-radius: var(--radius);
}

.btn-group .btn + .btn {
  margin-inline-start: -1px;
}


/* ==========================================================================
   11. Tables
   ========================================================================== */

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--white);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table thead {
  background-color: var(--light-gray);
}

.table th {
  padding: var(--space-md) var(--space-md);
  text-align: start;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

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

.table tbody tr:hover {
  background-color: var(--blue-soft);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table--striped tbody tr:nth-child(even) {
  background-color: var(--light-gray);
}

.table--striped tbody tr:nth-child(even):hover {
  background-color: var(--blue-soft);
}

.table--compact th,
.table--compact td {
  padding: var(--space-sm) var(--space-md);
}

.table--bordered td {
  border: 1px solid var(--border);
}

.table td .btn--sm {
  margin-inline-end: var(--space-xs);
}

/* Table responsive card view on mobile */
@media (max-width: 767px) {
  .table--responsive {
    display: block;
  }

  .table--responsive thead {
    display: none;
  }

  .table--responsive tbody {
    display: block;
  }

  .table--responsive tr {
    display: block;
    margin-bottom: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-md);
  }

  .table--responsive td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--border);
  }

  .table--responsive td:last-child {
    border-bottom: none;
  }

  .table--responsive td::before {
    content: attr(data-label);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-inline-end: var(--space-md);
    flex-shrink: 0;
  }
}


/* ==========================================================================
   12. Modal
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(2px);
}

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

.modal {
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(10px);
  transition: var(--transition);
}

.modal-overlay--visible .modal {
  transform: scale(1) translateY(0);
}

.modal--sm {
  max-width: 400px;
}

.modal--lg {
  max-width: 720px;
}

.modal--xl {
  max-width: 960px;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0;
}

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  transition: var(--transition);
  flex-shrink: 0;
}

.modal__close:hover {
  background-color: var(--light-gray);
  color: var(--text-primary);
}

.modal__body {
  padding: var(--space-lg);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .modal {
    max-width: 100%;
    margin: var(--space-md);
    max-height: 85vh;
  }
  .modal__footer {
    flex-direction: column;
  }
  .modal__footer .btn {
    width: 100%;
  }
}

/* Admin page modal structure (used by admin/*.php)
   <div class="modal" id="xxx-modal">
     <div class="modal__backdrop"></div>
     <div class="modal__content modal__content--xl">...</div>
   </div>                                          */
.modal.is-open {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  /* Override base .modal styles that conflict with full-screen overlay */
  max-width: none;
  max-height: none;
  width: auto;
  height: auto;
  background-color: transparent;
  border-radius: 0;
  box-shadow: none;
  transform: none;
  overflow: auto;
}

.modal__backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.modal__content {
  position: relative;
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow:scroll;
  z-index: 1;
  animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal__content--lg {
  max-width: 720px;
}

.modal__content--xl {
  max-width: 960px;
}

@media (max-width: 767px) {
  .modal.is-open {
    padding: var(--space-sm);
    align-items: flex-end;
  }
  .modal__content {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }
}


/* ==========================================================================
   13. Admin Panel
   ========================================================================== */

.admin {
  display: flex;
  min-height: calc(100vh - var(--nav-height));
}

/* Sidebar */
.admin__sidebar {
  width: var(--sidebar-width);
  background-color: var(--white);
  border-right: 1px solid var(--border);
  padding: var(--space-lg) 0;
  overflow-y: auto;
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  flex-shrink: 0;
  transition: var(--transition);
  z-index: var(--z-sticky);
}

.admin__sidebar-header {
  padding: 0 var(--space-lg) var(--space-lg);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-md);
}

.admin__sidebar-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0;
}

.admin__sidebar-nav {
  padding: 0 var(--space-sm);
}

.admin__sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius);
  transition: var(--transition);
  text-decoration: none;
  margin-bottom: 2px;
}

.admin__sidebar-link:hover {
  color: var(--blue);
  background-color: var(--blue-soft);
}

.admin__sidebar-link--active {
  color: var(--blue);
  background-color: var(--blue-soft);
  font-weight: var(--font-weight-semibold);
}

.admin__sidebar-link .icon {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.admin__sidebar-section {
  padding: var(--space-md) var(--space-md) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Content Area */
.admin__content {
  flex: 1;
  padding: var(--space-xl);
  min-width: 0;
  background-color: var(--bg-body);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-sm);
}

.breadcrumb__item {
  color: var(--text-muted);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  margin-inline-end: var(--space-sm);
  color: var(--text-muted);
}

.breadcrumb__link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb__link:hover {
  color: var(--blue);
}

.breadcrumb__current {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

/* Dashboard Stats */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

/* Mobile Sidebar Toggle */
.admin__sidebar-toggle {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  z-index: var(--z-sticky);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--blue);
  color: var(--white);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
  align-items: center;
  justify-content: center;
}

.admin__sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: calc(var(--z-sticky) - 1);
}

@media (max-width: 1023px) {
  .admin__sidebar {
    position: fixed;
    left: 0;
    top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
    z-index: var(--z-modal);
    transform: translateX(-100%);
    box-shadow: none;
  }

  .admin__sidebar--open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .admin__sidebar-toggle {
    display: flex;
  }

  .admin__sidebar-overlay--visible {
    display: block;
  }

  .dashboard-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .admin__content {
    padding: var(--space-md);
  }
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   14. Pagination
   ========================================================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
}

.pagination__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.pagination__item:hover {
  color: var(--blue);
  border-color: var(--blue);
  background-color: var(--blue-soft);
}

.pagination__item--active {
  background-color: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.pagination__item--active:hover {
  background-color: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
}

.pagination__item--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination__ellipsis {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

@media (max-width: 767px) {
  .pagination {
    flex-wrap: wrap;
  }
}


/* ==========================================================================
   15. Alerts / Flash Messages
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  border: 1px solid transparent;
}

.alert__icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  margin-top: 1px;
}

.alert__content {
  flex: 1;
  min-width: 0;
}

.alert__title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
}

.alert__message {
  margin-bottom: 0;
  color: inherit;
}

.alert__close {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  opacity: 0.5;
  transition: var(--transition);
  cursor: pointer;
  color: inherit;
}

.alert__close:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.1);
}

/* Success */
.alert--success {
  background-color: var(--success-light);
  color: #1a7a42;
  border-color: rgba(39, 174, 96, 0.2);
}

.alert--success .alert__close:hover {
  background-color: rgba(39, 174, 96, 0.15);
}

/* Error / Danger */
.alert--error,
.alert--danger {
  background-color: var(--danger-light);
  color: #c0392b;
  border-color: rgba(231, 76, 60, 0.2);
}

.alert--error .alert__close:hover,
.alert--danger .alert__close:hover {
  background-color: rgba(231, 76, 60, 0.15);
}

/* Warning */
.alert--warning {
  background-color: var(--warning-light);
  color: #b8860b;
  border-color: rgba(243, 156, 18, 0.2);
}

.alert--warning .alert__close:hover {
  background-color: rgba(243, 156, 18, 0.15);
}

/* Info */
.alert--info {
  background-color: var(--info-light);
  color: #1f6dad;
  border-color: rgba(41, 128, 185, 0.2);
}

.alert--info .alert__close:hover {
  background-color: rgba(41, 128, 185, 0.15);
}


/* ==========================================================================
   16. Language Switcher
   ========================================================================== */

.lang-switcher {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--white);
}

.lang-switcher__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  border-inline-end: 1px solid var(--border);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  min-width: 40px;
}

.lang-switcher__btn:last-child {
  border-inline-end: none;
}

.lang-switcher__btn:hover {
  color: var(--blue);
  background-color: var(--blue-soft);
}

.lang-switcher__btn--active {
  background-color: var(--blue);
  color: var(--white);
}

.lang-switcher__btn--active:hover {
  background-color: var(--blue-dark);
  color: var(--white);
}

/* Dropdown variant */
.lang-switcher--dropdown {
  position: relative;
  border: none;
  background: none;
  overflow: visible;
}

.lang-switcher--dropdown .lang-switcher__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.lang-switcher--dropdown .lang-switcher__toggle:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.lang-switcher--dropdown .lang-switcher__menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 140px;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: var(--space-xs);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: var(--transition);
}

.lang-switcher--dropdown:hover .lang-switcher__menu,
.lang-switcher--dropdown--open .lang-switcher__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switcher--dropdown .lang-switcher__option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
  cursor: pointer;
}

.lang-switcher--dropdown .lang-switcher__option:hover {
  background-color: var(--blue-soft);
  color: var(--blue);
}

.lang-switcher--dropdown .lang-switcher__option--active {
  color: var(--blue);
  font-weight: var(--font-weight-semibold);
  background-color: var(--blue-soft);
}


/* ==========================================================================
   17. Footer
   ========================================================================== */

.footer {
  background-color: var(--blue-dark);
  color: #ffffff;
  padding: var(--space-3xl) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 var(--space-lg) var(--space-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  text-decoration: none;
}

.footer__logo-img {
  height: 40px;
  width: auto;
}

.footer__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--white);
}

.footer__desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

.footer__social {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-size: var(--font-size-base);
  transition: var(--transition);
  text-decoration: none;
}

.footer__social-link:hover {
  background-color: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-relaxed);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: var(--transition);
}

.footer__links a:hover,
.footer__link:hover {
  color: var(--white);
  padding-inline-start: 4px;
}

.footer__link {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  padding: var(--space-xs) 0;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-sm);
}

.footer__contact-item a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer__contact-item a:hover {
  color: var(--white);
}

.footer__contact-item .material-symbols-outlined {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.5);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-lg);
  text-align: center;
}

.footer__bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer__bottom p a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.footer__bottom p a:hover {
  color: var(--white);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

.footer__copyright a {
  color: rgba(255, 255, 255, 0.7);
}

.footer__copyright a:hover {
  color: var(--white);
}

@media (max-width: 1023px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer__brand {
    max-width: 100%;
  }
  .footer__social {
    justify-content: center;
  }
}


/* ==========================================================================
   18. File Cards
   ========================================================================== */

.file-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.file-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-soft);
}

.file-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  color: var(--white);
  letter-spacing: 0.03em;
}

/* File type colors */
.file-card__icon--pdf {
  background-color: #e74c3c;
}

.file-card__icon--doc,
.file-card__icon--docx {
  background-color: #2980b9;
}

.file-card__icon--xls,
.file-card__icon--xlsx {
  background-color: #27ae60;
}

.file-card__icon--ppt,
.file-card__icon--pptx {
  background-color: #e67e22;
}

.file-card__icon--img,
.file-card__icon--jpg,
.file-card__icon--jpeg,
.file-card__icon--png,
.file-card__icon--gif,
.file-card__icon--svg {
  background-color: #9b59b6;
}

.file-card__icon--zip,
.file-card__icon--rar {
  background-color: #7f8c8d;
}

.file-card__icon--default {
  background-color: var(--muted);
}

.file-card__info {
  flex: 1;
  min-width: 0;
}

.file-card__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.file-card__date {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: 0;
}

.file-card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .file-card {
    flex-wrap: wrap;
  }
  .file-card__actions {
    width: 100%;
    justify-content: flex-end;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
  }
}


/* ==========================================================================
   19. Profile Images
   ========================================================================== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  background-color: var(--blue-soft);
  color: var(--blue);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar--xs {
  width: 28px;
  height: 28px;
  font-size: var(--font-size-xs);
}

.avatar--sm {
  width: 36px;
  height: 36px;
  font-size: var(--font-size-xs);
}

.avatar--md {
  width: 48px;
  height: 48px;
  font-size: var(--font-size-sm);
}

.avatar--lg {
  width: 72px;
  height: 72px;
  font-size: var(--font-size-xl);
}

.avatar--xl {
  width: 100px;
  height: 100px;
  font-size: var(--font-size-2xl);
}

.avatar--bordered {
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
}

.avatar--bordered-blue {
  border: 3px solid var(--blue-soft);
}

.avatar--interactive {
  cursor: pointer;
  transition: var(--transition);
}

.avatar--interactive:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-md);
}

/* Avatar group (overlapping) */
.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .avatar {
  border: 2px solid var(--white);
  margin-inline-start: -10px;
  transition: var(--transition);
}

.avatar-group .avatar:first-child {
  margin-inline-start: 0;
}

.avatar-group .avatar:hover {
  transform: translateY(-2px);
  z-index: 1;
}


/* ==========================================================================
   20. Leaderboard
   ========================================================================== */

.leaderboard {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.leaderboard__header {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: var(--white);
}

.leaderboard__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  margin-bottom: 0;
}

.leaderboard__list {
  list-style: none;
}

.leaderboard__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.leaderboard__item:last-child {
  border-bottom: none;
}

.leaderboard__item:hover {
  background-color: var(--blue-soft);
}

.leaderboard__rank {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  background-color: var(--light-gray);
  color: var(--text-muted);
}

/* Gold */
.leaderboard__item:nth-child(1) .leaderboard__rank {
  background: linear-gradient(135deg, #f7dc6f, #f1c40f);
  color: #7d6608;
  box-shadow: 0 2px 8px rgba(241, 196, 15, 0.4);
}

/* Silver */
.leaderboard__item:nth-child(2) .leaderboard__rank {
  background: linear-gradient(135deg, #d5dbdb, #bdc3c7);
  color: #5d6d7e;
  box-shadow: 0 2px 8px rgba(189, 195, 199, 0.4);
}

/* Bronze */
.leaderboard__item:nth-child(3) .leaderboard__rank {
  background: linear-gradient(135deg, #e59866, #e67e22);
  color: #7e5109;
  box-shadow: 0 2px 8px rgba(230, 126, 34, 0.4);
}

.leaderboard__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.leaderboard__info {
  flex: 1;
  min-width: 0;
}

.leaderboard__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.leaderboard__detail {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: 0;
}

.leaderboard__score {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--blue);
  flex-shrink: 0;
}


/* ==========================================================================
   21. Tabs
   ========================================================================== */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tabs__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: var(--transition);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tabs__item:hover {
  color: var(--blue);
  border-bottom-color: var(--blue-soft);
}

.tabs__item--active {
  color: var(--blue);
  font-weight: var(--font-weight-semibold);
  border-bottom-color: var(--blue);
}

.tabs__content {
  padding: var(--space-lg) 0;
}

.tabs__pane {
  display: none;
}

.tabs__pane--active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* Pill Tabs */
.tabs--pills {
  border-bottom: none;
  gap: var(--space-xs);
  background-color: var(--light-gray);
  padding: var(--space-sm);
  border-radius: var(--radius);
  display: inline-flex;
}

.tabs--pills .tabs__item {
  border-bottom: none;
  margin-bottom: 0;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
}

.tabs--pills .tabs__item:hover {
  background-color: var(--border);
  border-bottom-color: transparent;
}

.tabs--pills .tabs__item--active {
  background-color: var(--blue);
  color: var(--white);
  border-bottom-color: transparent;
}


/* ==========================================================================
   22. Badges / Tags
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  line-height: 1.6;
  white-space: nowrap;
  text-decoration: none;
}

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

.badge--accent {
  background-color: var(--accent-light);
  color: var(--accent-dark);
}

.badge--success {
  background-color: var(--success-light);
  color: #1a7a42;
}

.badge--danger {
  background-color: var(--danger-light);
  color: #c0392b;
}

.badge--warning {
  background-color: var(--warning-light);
  color: #b8860b;
}

.badge--info {
  background-color: var(--info-light);
  color: #1f6dad;
}

.badge--muted {
  background-color: var(--light-gray);
  color: var(--text-muted);
}

.badge--dark {
  background-color: var(--text-primary);
  color: var(--white);
}

/* Solid variants */
.badge--solid-blue {
  background-color: var(--blue);
  color: var(--white);
}

.badge--solid-accent {
  background-color: var(--accent);
  color: var(--white);
}

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

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

/* Dot indicator */
.badge--dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: currentColor;
  flex-shrink: 0;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background-color: var(--light-gray);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
}

.tag:hover {
  background-color: var(--blue-soft);
  color: var(--blue);
  border-color: var(--blue-soft);
}

.tag__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  font-size: 14px;
  line-height: 1;
  opacity: 0.6;
  transition: var(--transition);
  cursor: pointer;
}

.tag__remove:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.1);
}


/* ==========================================================================
   23. Tooltips
   ========================================================================== */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--white);
  background-color: var(--text-primary);
  border-radius: var(--radius);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Tooltip positions */
[data-tooltip-position="bottom"]::after {
  bottom: auto;
  top: calc(100% + 8px);
}

[data-tooltip-position="left"]::after {
  bottom: auto;
  left: auto;
  right: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
}

[data-tooltip-position="right"]::after {
  bottom: auto;
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
}


/* ==========================================================================
   24. Loading / Spinner
   ========================================================================== */

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.spinner--sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner--lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

.spinner--white {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
}

.spinner--accent {
  border-color: var(--accent-light);
  border-top-color: var(--accent);
}

/* Full-page loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.85);
  z-index: var(--z-overlay);
  gap: var(--space-md);
}

.loading-overlay__text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--light-gray) 25%, var(--border) 50%, var(--light-gray) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease infinite;
  border-radius: var(--radius);
}

.skeleton--text {
  height: 14px;
  margin-bottom: var(--space-sm);
  width: 80%;
}

.skeleton--title {
  height: 22px;
  margin-bottom: var(--space-md);
  width: 60%;
}

.skeleton--avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton--image {
  height: 200px;
  width: 100%;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}


/* ==========================================================================
   25. Print Styles
   ========================================================================== */

@media print {
  /* Hide non-essential elements */
  .nav,
  .nav__hamburger,
  .footer,
  .admin__sidebar,
  .admin__sidebar-toggle,
  .admin__sidebar-overlay,
  .pagination,
  .btn,
  .modal-overlay,
  .alert__close,
  .lang-switcher,
  .breadcrumb,
  .hero::before,
  .spinner,
  .loading-overlay,
  [data-tooltip]::after {
    display: none !important;
  }

  /* Reset layout */
  html {
    font-size: 12pt;
  }

  body {
    background-color: var(--white);
    color: #000;
    min-height: auto;
  }

  /* Ensure links show URL */
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  a[href^="#"]::after,
  a[href^="javascript"]::after {
    content: "";
  }

  /* Cards and sections */
  .card,
  .section {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }

  .card:hover {
    transform: none;
  }

  /* Tables */
  .table-wrapper {
    overflow: visible;
    border: 1px solid #ddd;
  }

  .table thead {
    background-color: #f0f0f0 !important;
  }

  .table tbody tr:hover {
    background-color: transparent !important;
  }

  /* Admin panel */
  .admin {
    display: block;
  }

  .admin__content {
    padding: 0;
  }

  /* Stat cards */
  .stat-card {
    background: #f0f0f0 !important;
    color: #000 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Hero */
  .hero {
    background: #f0f0f0 !important;
    min-height: auto;
    padding: 20pt 0;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .hero__title,
  .hero__subtitle,
  .hero__badge {
    color: #000 !important;
  }

  /* Badges */
  .badge,
  .tag {
    border: 1px solid #ddd;
    background: #f0f0f0 !important;
    color: #000 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Print-friendly margins */
  .container {
    max-width: 100%;
    padding: 0;
  }

  .section {
    padding: 16pt 0;
  }

  /* Avoid page breaks */
  h1, h2, h3, h4, h5, h6 {
    break-after: avoid;
  }

  img {
    max-width: 100% !important;
  }
}


/* ==========================================================================
   26. RTL Support
   ========================================================================== */

/* Use logical properties where possible. The following overrides
   handle edge cases and browser inconsistencies for RTL layouts. */

[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .nav__links.is-open {
  right: auto;
  left: 0;
  transform: translateX(0);
}

[dir="rtl"] .nav__dropdown-menu {
  left: auto;
  right: 0;
}

[dir="rtl"] .section__title::after {
  margin-right: auto;
  margin-left: auto;
}

[dir="rtl"] .form-select {
  background-position: left 14px center;
  padding-right: 14px;
  padding-left: 36px;
}

[dir="rtl"] .modal__close {
  margin-left: auto;
  margin-right: 0;
}

[dir="rtl"] .footer__links a:hover {
  padding-right: 4px;
  padding-left: 0;
}

[dir="rtl"] .breadcrumb__item + .breadcrumb__item::before {
  content: '\\';
}

[dir="rtl"] .avatar-group .avatar {
  margin-left: -10px;
  margin-right: 0;
}

[dir="rtl"] .avatar-group .avatar:first-child {
  margin-left: 0;
}

/* Dropdown arrows in RTL */
[dir="rtl"] .lang-switcher__btn {
  border-left: 1px solid var(--border);
  border-right: none;
}

[dir="rtl"] .lang-switcher__btn:last-child {
  border-left: none;
}

/* Table alignment in RTL */
[dir="rtl"] .table th,
[dir="rtl"] .table td {
  text-align: right;
}

/* Responsive table in RTL */
[dir="rtl"] .table--responsive td::before {
  margin-left: 0;
  margin-right: var(--space-md);
}

/* Alert close in RTL */
[dir="rtl"] .alert {
  text-align: right;
}

/* Card actions in RTL */
[dir="rtl"] .card__header {
  flex-direction: row-reverse;
}

/* File card actions */
[dir="rtl"] .file-card {
  flex-direction: row-reverse;
}

/* Leaderboard in RTL */
[dir="rtl"] .leaderboard__score {
  text-align: left;
}

/* Trilingual input tabs - no special RTL needed, flex handles it */

/* Hero text alignment in RTL */
[dir="rtl"] .hero {
  text-align: right;
}

[dir="rtl"] .hero__actions {
  justify-content: flex-start;
}

/* Footer links hover effect in RTL */
[dir="rtl"] .footer__links a:hover {
  padding-inline-start: 4px;
}

/* Tooltip position adjustments for RTL */
[dir="rtl"] [data-tooltip-position="left"]::after {
  right: auto;
  left: calc(100% + 8px);
}

[dir="rtl"] [data-tooltip-position="right"]::after {
  left: auto;
  right: calc(100% + 8px);
}

/* Tabs alignment for RTL */
[dir="rtl"] .tabs {
  flex-direction: row-reverse;
}

/* Ensure logical properties work in older browsers with explicit RTL rules */
[dir="rtl"] .btn-group .btn {
  border-inline-end-width: 1px;
}

[dir="rtl"] .btn-group .btn:last-child {
  border-inline-end-width: 2px;
}

/* Skeleton animation direction in RTL */
[dir="rtl"] .skeleton {
  background: linear-gradient(270deg, var(--light-gray) 25%, var(--border) 50%, var(--light-gray) 75%);
  background-size: 200% 100%;
}

/* Badge dot alignment in RTL */
[dir="rtl"] .badge--dot {
  flex-direction: row-reverse;
}

/* Form actions in RTL */
[dir="rtl"] .form-actions {
  justify-content: flex-start;
}

/* Modal footer in RTL */
[dir="rtl"] .modal__footer {
  justify-content: flex-start;
}

/* =============================================
   LOGIN PAGE
   ============================================= */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top left, rgba(21, 63, 111, 0.12), transparent 34rem),
    linear-gradient(135deg, #ffffff 0%, #f7fbff 48%, #eaf2fb 100%);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(14, 45, 82, 0.12);
  padding: 48px 36px;
  border: 1px solid rgba(21, 63, 111, 0.08);
}

.login-card__brand {
  text-align: center;
  margin-bottom: 32px;
  color: var(--blue);
}

.login-card__logo {
  color: var(--blue);
  margin-bottom: 12px;
}

.login-card__brand h1 {
  font-size: 28px;
  font-weight: 900;
  margin: 0;
}

.login-card__brand p {
  color: var(--muted);
  margin-top: 4px;
  font-size: 14px;
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-form .form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-dark);
  margin-bottom: 6px;
}

.login-form .form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius, 8px);
  font-size: 15px;
  transition: var(--transition);
  background: var(--white);
  color: var(--blue-dark);
}

.login-form .form-input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21, 63, 111, 0.1);
}

.login-card__hint {
  text-align: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.login-card__hint p {
  color: var(--muted);
  font-size: 12px;
}

/* =============================================
   ADMIN LAYOUT
   ============================================= */
.admin {
  display: flex;
  min-height: 100vh;
}

.admin__sidebar {
  width: 260px;
  background: var(--blue-dark);
  color: var(--white);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.admin__sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin__sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
}

.admin__sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
}

.admin__sidebar-brand svg {
  flex-shrink: 0;
}

.admin__sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.admin__sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.admin__sidebar-link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.admin__sidebar-link--active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
  border-left-color: var(--accent, #2a9d8f);
  font-weight: 600;
}

.admin__sidebar-link--danger {
  color: rgba(255,200,200,0.8);
}

.admin__sidebar-link--danger:hover {
  color: #ff6b6b;
  background: rgba(255,0,0,0.08);
}

.admin__sidebar-footer {
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.admin__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.admin__main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--light-gray, #f5f7fa);
}

.admin__topbar {
  background: var(--white);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin__topbar-left,
.admin__topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin__menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--blue);
  cursor: pointer;
}

.admin__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.admin__breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}

.admin__breadcrumb-sep {
  color: var(--border);
}

.admin__user-name {
  font-size: 13px;
  color: var(--blue-dark);
  font-weight: 500;
}

.admin__content {
  flex: 1;
  padding: 24px;
  min-width: 0;
  overflow-x: hidden;
}

.admin__page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.admin__page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--blue-dark);
}

.admin__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.admin__card-half .card__body {
  max-height: 300px;
  overflow-y: auto;
}

.admin__dashboard .stat-card__grid {
  margin-bottom: 24px;
}

.stat-card--clickable {
  text-decoration: none;
  cursor: pointer;
}

/* =============================================
   FORM EXTRAS
   ============================================= */
.form-row {
  display: grid;
  gap: 16px;
}

.form-row--2 {
  grid-template-columns: 1fr 1fr;
}

.form-row--3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-radio-group {
  display: flex;
  gap: 24px;
  padding: 8px 0;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--blue-dark);
}

.form-radio input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
}

.form-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
}

.form-help {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.image-preview {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.image-preview img {
  max-height: 80px;
  border-radius: 8px;
  border: 2px solid var(--border);
}

/* Table user cell */
.table__user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.table__actions {
  white-space: nowrap;
}

.table__actions .btn {
  margin-inline-end: 4px;
}

.table__empty {
  text-align: center;
  padding: 32px;
  color: var(--muted);
}

.avatar--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-soft, #e8f0f9);
  color: var(--blue);
  font-size: 14px;
}

/* =============================================
   ADMIN RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .admin__sidebar {
    transform: translateX(-100%);
  }

  .admin__sidebar--open {
    transform: translateX(0) !important;
  }

  .admin__overlay--visible {
    display: block;
  }

  .admin__main {
    margin-left: 0;
  }

  .admin__menu-toggle {
    display: block;
  }

  .admin__sidebar-close {
    display: block;
  }

  .admin__row {
    grid-template-columns: 1fr;
  }

  .form-row--2 {
    grid-template-columns: 1fr;
  }

  .form-row--3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .admin__content {
    padding: 16px;
  }

  .admin__page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* RTL Admin */
[dir="rtl"] .admin__sidebar {
  left: auto;
  right: 0;
  border-left: 3px solid transparent;
  border-right: none;
}

[dir="rtl"] .admin__sidebar-link {
  border-left: none;
  border-right: 3px solid transparent;
}

[dir="rtl"] .admin__sidebar-link--active {
  border-right-color: var(--accent, #2a9d8f);
  border-left: none;
}

[dir="rtl"] .admin__main {
  margin-left: 0;
  margin-right: 260px;
}

[dir="rtl"] .admin__breadcrumb {
  direction: rtl;
}

/* RTL: open state for mobile sidebar */
[dir="rtl"] .admin__sidebar--open {
  transform: translateX(0) !important;
}

@media (max-width: 1024px) {
  [dir="rtl"] .admin__main {
    margin-right: 0;
  }

  [dir="rtl"] .admin__sidebar {
    transform: translateX(100%);
  }
}