/* ============================================
   MOBILE & TABLET RESPONSIVE STYLES
   NexoraAI Support Suite
   ============================================ */

/* ============================================
   BASE RESPONSIVE UTILITIES
   ============================================ */

/* Ensure viewport meta tag is set in HTML:
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
*/

/* Prevent horizontal scroll */
html, body {
  overflow-x: hidden;
  width: 100%;
}

/* Make images responsive */
img {
  max-width: 100%;
  height: auto;
}

/* ============================================
   MOBILE FIRST - BASE STYLES (320px+)
   ============================================ */

/* Container adjustments */
.container {
  padding: 1rem;
  max-width: 100%;
}

/* Typography scaling */
h1 {
  font-size: 1.75rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.5rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.4;
}

p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   NAVIGATION - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Navbar */
  nav {
    padding: 0.75rem 1rem;
  }

  .nav-brand {
    font-size: 1.25rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 0.75rem 1rem;
    width: 100%;
    text-align: left;
    border-radius: 8px;
  }

  /* Mobile menu toggle button */
  .mobile-menu-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
  }

  /* Hide desktop nav items */
  .nav-links {
    display: none;
  }

  /* User menu dropdown */
  .user-menu {
    position: static;
  }

  .user-dropdown {
    position: fixed;
    top: 60px;
    right: 1rem;
    left: 1rem;
    width: auto;
  }
}

/* ============================================
   FORMS - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Auth forms */
  .auth-container {
    padding: 1rem;
    margin: 1rem;
    min-height: auto;
  }

  .auth-card {
    padding: 1.5rem;
    max-width: 100%;
    margin: 1rem auto;
  }

  .form-group {
    margin-bottom: 1rem;
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 0.75rem;
  }

  /* Multi-step form */
  .form-steps {
    flex-direction: column;
    gap: 0.5rem;
  }

  .step {
    width: 100%;
    padding: 0.5rem;
    font-size: 0.85rem;
  }

  .step-number {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }

  /* Buttons */
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    width: 100%;
  }

  .btn-group {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-group .btn {
    width: 100%;
  }
}

/* ============================================
   DASHBOARD - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Dashboard layout */
  .dashboard {
    padding: 1rem;
  }

  .dashboard-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .dashboard-header h1 {
    font-size: 1.5rem;
  }

  /* Stats grid */
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stat-card {
    padding: 1.25rem;
  }

  .stat-value {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }

  /* Content grid */
  .content-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* Cards */
  .card {
    padding: 1.25rem;
    margin-bottom: 1rem;
  }

  .card-header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .card-title {
    font-size: 1.1rem;
  }
}

/* ============================================
   TABLES - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Make tables scrollable */
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -1rem;
    padding: 0 1rem;
  }

  table {
    min-width: 600px;
    font-size: 0.85rem;
  }

  th, td {
    padding: 0.75rem 0.5rem;
  }

  /* Card-style table for mobile */
  .table-mobile-card {
    display: block;
    min-width: auto;
  }

  .table-mobile-card thead {
    display: none;
  }

  .table-mobile-card tbody {
    display: block;
  }

  .table-mobile-card tr {
    display: block;
    margin-bottom: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
  }

  .table-mobile-card td {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border: none;
  }

  .table-mobile-card td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--gray-light);
  }
}

/* ============================================
   MODALS - MOBILE
   ============================================ */

@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    max-width: 95%;
    margin: 1rem;
    max-height: 90vh;
    overflow-y: auto;
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-body {
    padding: 1rem;
  }

  .modal-footer {
    padding: 1rem;
    flex-direction: column;
    gap: 0.75rem;
  }

  .modal-footer .btn {
    width: 100%;
  }
}

/* ============================================
   FILTERS & SEARCH - MOBILE
   ============================================ */

@media (max-width: 768px) {
  .filters {
    flex-direction: column;
    gap: 0.75rem;
  }

  .filter-group {
    width: 100%;
  }

  .search-box {
    width: 100%;
  }

  .filter-tags {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .filter-tag {
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
  }
}

/* ============================================
   ADMIN DASHBOARD - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Admin header */
  .admin-header {
    flex-direction: column;
    gap: 1rem;
  }

  .admin-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -1rem;
    padding: 0 1rem;
  }

  .admin-tabs button {
    white-space: nowrap;
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
  }

  /* Analytics charts */
  .chart-container {
    height: 250px;
  }

  /* Action buttons */
  .action-buttons {
    flex-direction: column;
    gap: 0.5rem;
  }

  .action-buttons .btn {
    width: 100%;
  }
}

/* ============================================
   PROFILE PAGE - MOBILE
   ============================================ */

@media (max-width: 768px) {
  .profile-header {
    flex-direction: column;
    text-align: center;
  }

  .profile-avatar {
    width: 80px;
    height: 80px;
  }

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

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

  .profile-section {
    padding: 1.25rem;
  }
}

/* ============================================
   TICKET DETAILS - MOBILE
   ============================================ */

@media (max-width: 768px) {
  .ticket-header {
    flex-direction: column;
    gap: 1rem;
  }

  .ticket-meta {
    flex-direction: column;
    gap: 0.75rem;
  }

  .ticket-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .ticket-actions .btn {
    width: 100%;
  }

  .badge {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
  }
}

/* ============================================
   LANDING PAGE - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Hero section */
  .hero {
    padding: 3rem 1rem;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  /* Features grid */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

  /* CTA section */
  .cta-section {
    padding: 3rem 1rem;
  }

  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .cta-buttons .btn {
    width: 100%;
  }
}

/* ============================================
   TABLET - MEDIUM SCREENS (768px - 1024px)
   ============================================ */

@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 1.5rem;
  }

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

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

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

  /* Tables */
  table {
    font-size: 0.9rem;
  }

  /* Cards */
  .card {
    padding: 1.5rem;
  }
}

/* ============================================
   LAPTOP - LARGE SCREENS (1024px+)
   ============================================ */

@media (min-width: 1025px) {
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }

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

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

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

  /* Larger cards */
  .card {
    padding: 2rem;
  }

  /* Better spacing */
  .dashboard {
    padding: 2rem;
  }
}

/* ============================================
   EXTRA LARGE SCREENS (1440px+)
   ============================================ */

@media (min-width: 1440px) {
  .container {
    max-width: 1400px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .card {
    padding: 2.5rem;
  }
}

/* ============================================
   TOUCH DEVICE OPTIMIZATIONS
   ============================================ */

@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  button,
  a,
  .btn,
  input[type="checkbox"],
  input[type="radio"] {
    min-height: 44px;
    min-width: 44px;
  }

  /* Remove hover effects on touch devices */
  .btn:hover,
  .card:hover,
  a:hover {
    transform: none;
  }

  /* Better tap feedback */
  .btn:active,
  .card:active,
  a:active {
    transform: scale(0.98);
    opacity: 0.9;
  }
}

/* ============================================
   LANDSCAPE MOBILE (SMALL HEIGHT)
   ============================================ */

@media (max-height: 500px) and (orientation: landscape) {
  .auth-container {
    padding: 1rem;
  }

  .auth-card {
    padding: 1rem;
  }

  .modal-content {
    max-height: 85vh;
  }

  .hero {
    min-height: auto;
    padding: 2rem 1rem;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  body {
    background: white;
    color: black;
  }

  .no-print,
  nav,
  .sidebar,
  .filters,
  .btn,
  button {
    display: none !important;
  }

  .card {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  table {
    page-break-inside: auto;
  }

  tr {
    page-break-inside: avoid;
    page-break-after: auto;
  }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(0, 0, 0, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* ============================================
   UTILITY CLASSES FOR RESPONSIVE DESIGN
   ============================================ */

/* Hide on mobile */
.hide-mobile {
  display: none;
}

@media (min-width: 769px) {
  .hide-mobile {
    display: block;
  }
}

/* Hide on desktop */
.hide-desktop {
  display: block;
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none;
  }
}

/* Show only on mobile */
.mobile-only {
  display: block;
}

@media (min-width: 769px) {
  .mobile-only {
    display: none;
  }
}

/* Show only on desktop */
.desktop-only {
  display: none;
}

@media (min-width: 769px) {
  .desktop-only {
    display: block;
  }
}

/* Responsive text alignment */
.text-center-mobile {
  text-align: center;
}

@media (min-width: 769px) {
  .text-center-mobile {
    text-align: left;
  }
}

/* Responsive padding */
.p-mobile {
  padding: 1rem;
}

@media (min-width: 769px) {
  .p-mobile {
    padding: 2rem;
  }
}

/* Responsive margin */
.m-mobile {
  margin: 1rem;
}

@media (min-width: 769px) {
  .m-mobile {
    margin: 2rem;
  }
}