/* ==========================================================================
   Readixa Navigation, Footer, Mobile Drawer, and Dock Component Styles
   ========================================================================== */

/* Navbar Header */
.navbar-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height, 68px);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 900;
  transition: all var(--transition-normal);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-left: 16px;
  padding-right: 16px;
  gap: 12px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--primary-light);
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

/* Desktop Navigation Links - Compact & Clean */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (min-width: 1200px) {
  .desktop-nav {
    gap: 16px;
  }
}

.nav-link {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-muted);
  position: relative;
  padding: 5px 2px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 2.5px;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link-apk {
  color: #10b981 !important;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link-apk:hover {
  color: #059669 !important;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.navbar-actions .btn {
  padding: 6px 12px;
  font-size: 0.82rem;
  gap: 6px;
  white-space: nowrap;
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.15rem;
  transition: all var(--transition-fast);
}

.mobile-nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Slide-out Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 82%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-surface);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
  z-index: 2000;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

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

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.drawer-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
}

.drawer-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
}

.drawer-close-btn {
  background: transparent;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.drawer-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.drawer-link:hover,
.drawer-link.active {
  background: var(--primary-light);
  color: var(--primary);
}

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.drawer-btn {
  width: 100%;
  justify-content: center;
}

/* Responsive Navigation Breakpoints */
@media (max-width: 1040px) {
  .desktop-nav {
    display: none;
  }
  .desktop-only {
    display: none !important;
  }
  .mobile-nav-toggle {
    display: flex;
  }
}

@media (max-width: 480px) {
  .brand-tagline {
    display: none;
  }
  .navbar-container {
    padding-left: 12px;
    padding-right: 12px;
  }
}

/* Footer Section */
.footer-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 50px 0 30px 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.footer-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
}

.footer-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  position: relative;
}

.footer-heading::after {
  content: '';
  display: block;
  width: 30px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 6px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(-4px);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Subnav Tabs Mobile Scroll Wrapper */
.teacher-subnav-tabs-wrapper {
  display: flex !important;
  gap: 10px !important;
  margin-top: 24px !important;
  border-bottom: 2px solid var(--border-color) !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch !important;
  padding-bottom: 4px !important;
  width: 100% !important;
  max-width: 100% !important;
  scrollbar-width: none !important;
  flex-wrap: nowrap !important;
}

.teacher-subnav-tabs-wrapper::-webkit-scrollbar {
  display: none !important;
}

.teacher-subnav-tabs-wrapper .nav-link {
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
}

/* ==========================================
   Comprehensive Dashboard Responsiveness System
   ========================================== */

@media (max-width: 992px) {
  .grid-responsive {
    grid-template-columns: 1fr !important;
  }

  .app-sidebar {
    width: 270px;
    transform: translateX(100%);
  }

  body.sidebar-mobile-open .app-sidebar {
    transform: translateX(0) !important;
  }

  .app-main-content {
    margin-right: 0 !important;
  }

  .app-topbar {
    padding: 0 16px;
  }

  /* Table overflow wrappers */
  .table-responsive-wrapper {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
    margin-bottom: 12px;
  }
}

@media (max-width: 768px) {
  /* AI Card & Brief Responsiveness */
  .ai-brief-flex-container {
    flex-direction: column !important;
    align-items: stretch !important;
    text-align: right !important;
  }

  .ai-brief-content-wrapper {
    flex-direction: column !important;
    align-items: flex-start !important;
    width: 100% !important;
    text-align: right !important;
  }

  #aiBriefContentBox, #aiBriefText {
    text-align: right !important;
    width: 100% !important;
    margin-top: 8px !important;
  }

  .ai-brief-flex-container button {
    width: 100% !important;
    justify-content: center !important;
    margin-top: 12px !important;
  }

  /* Modal drawer responsiveness */
  #teacherReportModal > div {
    max-width: 100% !important;
    width: 100% !important;
  }

  .metrics-responsive-grid {
    grid-template-columns: 1fr !important;
  }

  /* Responsive Cards Grid */
  #reportsContainerGrid {
    grid-template-columns: 1fr !important;
  }

  /* Card Paddings on Mobile */
  .container-fluid {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}

@media (max-width: 480px) {
  .app-topbar {
    height: 60px;
    padding: 0 12px;
  }

  .app-topbar h1, .app-topbar .topbar-title {
    font-size: 1rem !important;
  }

  .topbar-right-group, .topbar-left-group {
    gap: 8px !important;
  }
}