/* ==========================================================================
   MOBILE-FIX.CSS — Saraswati UGC NET
   Add this AFTER responsive-upgrade.css in header-professional.ejs
   Fixes all mobile layout issues found in audit.
   ========================================================================== */

/* ── GLOBAL: Prevent horizontal scroll on any page ── */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}
* { box-sizing: border-box; }

/* ── CONTAINER: Tighter side padding on small screens ── */
@media (max-width: 480px) {
  .container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* ==========================================================================
   1. NAVBAR
   ========================================================================== */

/* Ensure hamburger shows on ALL mobile, not just ≤768px */
@media (max-width: 768px) {
  .navbar-pro .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .nav-logo span {
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
  }
  .mobile-menu-toggle {
    display: flex !important;
  }
  .nav-menu {
    display: none !important;
  }
}

/* ==========================================================================
   2. HERO SECTION (Homepage)
   ========================================================================== */

@media (max-width: 768px) {
  .hero-section {
    padding: 2.5rem 0 2rem;
  }
  .hero-grid-layout {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    text-align: center;
  }
  .hero-image-right {
    display: none !important;
  }
  .hero-content-left {
    text-align: center;
  }
  .hero-content-left h1 {
    font-size: clamp(1.6rem, 6vw, 2.4rem) !important;
  }
  .hero-subtitle {
    font-size: 0.95rem !important;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    flex-direction: column !important;
    align-items: center;
    gap: 0.75rem;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 2rem 0 1.75rem;
  }
  .hero-content-left h1 {
    font-size: 1.55rem !important;
  }
  .hero-stats {
    flex-direction: row;
    justify-content: space-evenly;
    gap: 0.75rem;
  }
  .hero-stats .stat-number {
    font-size: 1.4rem !important;
  }
}

/* ==========================================================================
   3. FEATURES SECTION
   ========================================================================== */

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 1rem !important;
  }
  .feature-card {
    padding: 1.25rem 1rem !important;
  }
}

@media (max-width: 480px) {
  .features-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   4. COURSES GRID (Homepage + Courses Page)
   ========================================================================== */

@media (max-width: 768px) {
  .courses-preview-grid,
  .courses-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  .course-preview-card,
  .course-card-pro {
    max-width: 100% !important;
    width: 100% !important;
  }
}

/* ==========================================================================
   5. ARTICLES GRID
   ========================================================================== */

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  .articles-hero {
    padding: 3rem 0 2.5rem !important;
  }
  .articles-hero h1 {
    font-size: 1.6rem !important;
  }
}

/* ==========================================================================
   6. DASHBOARD
   ========================================================================== */

@media (max-width: 768px) {
  .dashboard-pro {
    padding-top: 1.25rem !important;
    padding-bottom: 2rem !important;
  }

  /* Welcome banner stacks */
  .welcome-section {
    flex-direction: column !important;
    text-align: center !important;
    padding: 1.25rem !important;
    gap: 0.75rem !important;
  }
  .welcome-section::after { display: none !important; }

  /* Stats: 2 columns on tablet, 1 on phone */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.75rem !important;
  }

  /* Quick actions: 3 per row on tablet */
  .actions-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 0.75rem !important;
  }

  /* Course items wrap nicely */
  .course-item-pro {
    flex-wrap: wrap;
  }
  .course-item-pro .course-actions {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .actions-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .stat-card {
    padding: 1rem !important;
  }
  .stat-info h3 {
    font-size: 1.2rem !important;
  }
  .last-active {
    white-space: normal !important;
    text-align: center;
  }
}

/* ==========================================================================
   7. COURSES PAGE — FILTERS
   ========================================================================== */

@media (max-width: 768px) {
  .course-filters-section {
    position: static !important;
    padding: 1.25rem 0 !important;
  }
  .filters-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 0.75rem !important;
  }
}

@media (max-width: 480px) {
  .filters-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   8. AUTH PAGES (Login / Signup)
   ========================================================================== */

@media (max-width: 768px) {
  .auth-container {
    grid-template-columns: 1fr !important;
    width: 94% !important;
  }
  /* Hide the branding/features column on mobile — show only the form */
  .auth-features,
  .auth-branding {
    display: none !important;
  }
  .auth-form-container {
    padding: 2rem 1.5rem !important;
  }
}

@media (max-width: 400px) {
  .auth-form-container {
    padding: 1.5rem 1.1rem !important;
  }
  .auth-header h1,
  .auth-header h2 {
    font-size: 1.3rem !important;
  }
}

/* ==========================================================================
   9. TAKE TEST PAGE — Mobile-first full-screen layout
   ========================================================================== */

@media (max-width: 900px) {
  /* Stack question + palette vertically */
  main.test-interface-fullscreen {
    height: auto !important;
    overflow: visible !important;
  }
  .test-interface-fullscreen .test-body {
    overflow: visible !important;
    padding: 10px !important;
  }
  .test-interface-fullscreen .test-layout {
    flex-direction: column !important;
    height: auto !important;
    gap: 10px !important;
  }

  /* Question panel full-width, scrollable */
  .test-interface-fullscreen .question-panel-pro {
    flex-basis: auto !important;
    width: 100% !important;
    max-height: 65vh;
    overflow-y: auto !important;
  }

  /* Palette collapses into a compact row at top */
  .test-interface-fullscreen .sidebar-panel {
    flex-basis: auto !important;
    width: 100% !important;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 8px !important;
    overflow: visible !important;
  }
  .test-interface-fullscreen .sidebar-panel .palette-card {
    flex: 1;
    min-width: 200px;
    overflow: visible !important;
  }
  .test-interface-fullscreen .question-palette-grid {
    grid-template-columns: repeat(8, 1fr) !important;
    overflow-y: visible !important;
    max-height: 200px;
    overflow-y: auto !important;
  }
  .test-interface-fullscreen .sidebar-panel .actions-card {
    flex: 1;
    min-width: 200px;
  }

  /* Footer buttons scroll horizontally if needed */
  .question-footer-pro {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
    gap: 6px !important;
    padding: 10px !important;
    justify-content: flex-start !important;
  }
  .question-footer-pro button {
    flex-shrink: 0 !important;
    white-space: nowrap;
    font-size: 0.78rem !important;
    padding: 7px 10px !important;
  }
}

@media (max-width: 480px) {
  .test-interface-fullscreen .question-palette-grid {
    grid-template-columns: repeat(6, 1fr) !important;
  }
  .test-header-content {
    flex-wrap: wrap;
    gap: 6px;
  }
  .test-interface-fullscreen .section-tabs {
    overflow-x: auto;
  }
  .test-interface-fullscreen .section-tab {
    font-size: 0.82rem !important;
    padding: 10px 12px !important;
    white-space: nowrap;
  }
  .test-interface-fullscreen .question-content-pro {
    padding: 12px !important;
  }
}

/* ==========================================================================
   10. AVAILABLE TESTS PAGE
   ========================================================================== */

@media (max-width: 768px) {
  /* Make test cards stack in a single column */
  .tests-grid,
  .available-tests-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   11. MY RESULTS PAGE
   ========================================================================== */

@media (max-width: 600px) {
  .result-card-item {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
  }
  .result-actions {
    width: 100%;
    display: flex;
    justify-content: flex-end;
  }
}

/* ==========================================================================
   12. FOOTER
   ========================================================================== */

@media (max-width: 768px) {
  .footer-pro {
    padding: 2.5rem 0 0 !important;
  }
  .footer-content {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    text-align: center !important;
  }
  .footer-logo {
    justify-content: center !important;
  }
  .social-links {
    justify-content: center !important;
  }
  .contact-item {
    justify-content: center !important;
  }
  .footer-bottom {
    flex-direction: column !important;
    gap: 0.4rem !important;
    text-align: center !important;
  }
  .footer-legal {
    justify-content: center !important;
  }
}

/* ==========================================================================
   13. KNOWLEDGE BASE PAGE
   ========================================================================== */

@media (max-width: 900px) {
  /* Sidebar filter → hidden; mobile pill bar handles filtering */
  .kb-sidebar {
    display: none !important;
  }
  .kb-main-content {
    width: 100% !important;
    max-width: 100% !important;
  }
  .kb-layout {
    display: block !important;
  }
}

/* ==========================================================================
   14. FORM ROWS — prevent min-width overflow
   ========================================================================== */

@media (max-width: 600px) {
  .form-row {
    flex-direction: column !important;
  }
  .form-row .form-group {
    min-width: unset !important;
    width: 100% !important;
  }
}

/* ==========================================================================
   15. COURSES PAGE HERO
   ========================================================================== */

@media (max-width: 768px) {
  .courses-hero {
    padding: 2.5rem 0 2rem !important;
  }
  .courses-hero .hero-stats {
    gap: 1.5rem !important;
    flex-wrap: wrap;
    justify-content: center;
  }
  .courses-hero .hero-title {
    font-size: 1.6rem !important;
  }
}

/* ==========================================================================
   16. TOAST — full-width on very small screens
   ========================================================================== */

@media (max-width: 480px) {
  .toast-container {
    left: 0.75rem !important;
    right: 0.75rem !important;
    bottom: 0.75rem !important;
  }
  .toast {
    max-width: 100% !important;
  }
}

/* ==========================================================================
   17. IMAGES — never overflow parent
   ========================================================================== */

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

/* ==========================================================================
   18. TABLES — horizontal scroll on mobile instead of breaking layout
   ========================================================================== */

@media (max-width: 768px) {
  .table-responsive,
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }
}

/* ==========================================================================
   19. ABOUT / CONTACT PAGES
   ========================================================================== */

@media (max-width: 768px) {
  .mission-grid,
  .founder-content,
  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
  .founder-content {
    text-align: center !important;
  }
}

/* ==========================================================================
   20. BOTTOM SAFE AREA (for iOS notch / home bar)
   ========================================================================== */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .question-footer-pro,
  .mobile-menu-auth {
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
  }
}

/* ==========================================================================
   21. TOUCH TARGETS — minimum 44×44px on mobile
   ========================================================================== */

@media (max-width: 768px) {
  .btn,
  .nav-link,
  .mobile-nav-link,
  .filter-select,
  .search-input,
  .action-card,
  .dropdown-item {
    min-height: 44px;
  }
  .mobile-menu-toggle {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ==========================================================================
   22. SECTION PADDING — reduce on mobile for breathing room
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --section-py: 2.5rem !important;
    --section-py-sm: 1.75rem !important;
  }
  section {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }
}

/* ==========================================================================
   23. HERO MENTOR IMAGE — Show on mobile (compact version)
   ========================================================================== */

@media (max-width: 768px) {
  /* Override the hide from responsive-upgrade.css */
  .hero-image-right {
    display: flex !important;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
  }

  .mentor-image-wrapper {
    position: relative;
    display: inline-block;
  }

  /* Compact circular/rounded photo on mobile */
  .mentor-img {
    width: 160px !important;
    height: 190px !important;
    border-radius: 16px !important;
    object-fit: cover;
    border: 3px solid rgba(255,255,255,0.4) !important;
    box-shadow: 0 12px 32px rgba(0,0,0,0.25) !important;
    display: block;
  }

  /* Hide floating achievement cards on mobile (too small) */
  .hero-achievement-cards {
    display: none !important;
  }

  /* Keep mentor badge but make it smaller */
  .mentor-badge {
    font-size: 0.72rem !important;
    padding: 0.4rem 0.75rem !important;
    bottom: -10px !important;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .mentor-img {
    width: 130px !important;
    height: 155px !important;
  }

  /* On very small screens, show achievement as a single compact strip */
  .hero-grid-layout {
    gap: 1rem !important;
  }
}

/* ==========================================================================
   24. MOBILE NAVBAR — Full Bottom Nav Bar for Mobile Users
       A sticky bottom navigation bar — most natural UX for phone users
   ========================================================================== */

/* The bottom nav bar itself */
.mobile-bottom-nav {
  display: none;
}

@media (max-width: 768px) {
  /* Show the bottom nav */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
    z-index: 1997;
    align-items: stretch;
    justify-content: space-around;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .mobile-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 3px;
    text-decoration: none;
    color: #6b7280;
    font-size: 0.6rem;
    font-weight: 600;
    font-family: var(--font-body, 'Nunito', sans-serif);
    letter-spacing: 0.02em;
    transition: color 0.2s, background 0.2s;
    border-radius: 0;
    position: relative;
  }

  .mobile-bottom-nav a i {
    font-size: 1.1rem;
    transition: transform 0.2s;
  }

  .mobile-bottom-nav a:hover,
  .mobile-bottom-nav a.active {
    color: #0EA5E9;
    background: rgba(14,165,233,0.05);
  }

  .mobile-bottom-nav a.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background: #0EA5E9;
    border-radius: 0 0 4px 4px;
  }

  .mobile-bottom-nav a.active i {
    transform: translateY(-1px);
  }

  /* Special style for the CTA "Tests" button */
  .mobile-bottom-nav a.nav-cta {
    color: white;
    background: linear-gradient(135deg, #0EA5E9, #0369a1);
    border-radius: 12px;
    margin: 8px 4px;
    flex: 0 0 64px;
    box-shadow: 0 4px 12px rgba(14,165,233,0.35);
    padding: 0 4px;
  }
  .mobile-bottom-nav a.nav-cta:hover {
    background: linear-gradient(135deg, #0369a1, #0EA5E9);
    color: white;
  }
  .mobile-bottom-nav a.nav-cta::after {
    display: none;
  }

  /* Add padding to body so content isn't hidden behind bottom nav */
  body {
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* Ensure hamburger top drawer still works too (secondary nav) */
  .mobile-menu-toggle {
    display: flex !important;
  }
}