/* css/global.css */
:root {
    --primary-color: #4a9eff;
    --primary-color-hover: #6bb0ff;
    --secondary-color: #6c757d;
    --accent-color: #17a2b8;
    --background-color: #0d1117;
    --card-bg-color: #161b22;
    --text-color: #e6edf3;
    --text-muted-color: #8b949e;
    --border-color: #30363d;
    --success-color: #3fb950;
    --danger-color: #f85149;
    --warning-color: #d29922;
    --font-family-main: 'Inter', sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.25rem;
    --spacing-unit: 1rem;
    --border-radius: 0.375rem;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --box-shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.4);
    --box-shadow-strong: 0 8px 25px rgba(0, 0, 0, 0.5);
    --transition-speed: 0.2s;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }
  
  body {
    font-family: var(--font-family-main);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  main {
    flex-grow: 1;
  }
  
  a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease-in-out;
  }
  
  a:hover {
    color: var(--primary-color-hover);
    text-decoration: underline;
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    font-weight: 600;
    line-height: 1.3;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  ul {
    list-style: none;
  }
  
  .container {
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-unit);
    padding-right: var(--spacing-unit);
  }
  
  /* Header Styles */
  .site-header {
    background-color: var(--card-bg-color);
    padding: var(--spacing-unit) 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
  }
  
  .site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo a {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
  }
  
  .logo a:hover {
    color: var(--primary-color);
  }
  
  .main-navigation ul {
    display: flex;
    gap: calc(var(--spacing-unit) * 0.5);
    align-items: center;
  }
  
  .main-navigation a {
    font-weight: 500;
    color: var(--text-color);
    padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 0.75);
    position: relative;
    text-decoration: none;
    border-radius: var(--border-radius);
  }
  
  .main-navigation li.active > a,
  .main-navigation li > a:not(.btn):hover {
    color: var(--primary-color);
    background-color: rgba(74, 158, 255, 0.15);
    text-decoration: none;
  }
  
  /* Exclude .btn from this hover */
  .main-navigation li.active > a {
    font-weight: 600;
  }
  
  .main-navigation .nav-auth-buttons {
    margin-left: var(--spacing-unit);
    display: flex;
    gap: calc(var(--spacing-unit) * 0.5);
  }
  
  .main-navigation .user-account-item {
    position: relative;
  }
  
  .main-navigation .user-account-toggle {
    display: inline-flex;
    align-items: center;
    padding: calc(var(--spacing-unit) * 0.5) var(--spacing-unit);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    text-decoration: none;
    background-color: var(--card-bg-color);
  }
  
  .main-navigation .user-account-toggle:hover,
  .main-navigation .user-account-item.open .user-account-toggle {
    background-color: var(--primary-color);
    color: var(--background-color);
    border-color: var(--primary-color);
    text-decoration: none;
  }
  
  .main-navigation .user-account-toggle .fa-user-circle {
    margin-right: calc(var(--spacing-unit) * 0.4);
  }
  
  .main-navigation .user-account-toggle .fa-caret-down {
    margin-left: calc(var(--spacing-unit) * 0.5);
    font-size: 0.8em;
    transition: transform var(--transition-speed) ease;
  }
  
  .main-navigation .user-account-item.open .user-account-toggle .fa-caret-down {
    transform: rotate(180deg);
  }
  
  .main-navigation .user-account-item .dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--card-bg-color);
    min-width: 230px;
    box-shadow: var(--box-shadow-strong);
    border-radius: var(--border-radius);
    z-index: 1010;
    padding: calc(var(--spacing-unit) * 0.5) 0;
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-speed) ease,
      visibility var(--transition-speed) ease, transform var(--transition-speed) ease;
  }
  
  .main-navigation .user-account-item.open .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .main-navigation .user-account-item .dropdown-menu li a {
    display: flex;
    align-items: center;
    padding: calc(var(--spacing-unit) * 0.7) var(--spacing-unit);
    color: var(--text-color);
    font-size: var(--font-size-sm);
    font-weight: 400;
    white-space: nowrap;
    text-decoration: none;
  }
  
  .main-navigation .user-account-item .dropdown-menu li a:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    text-decoration: none;
  }
  
  .main-navigation .user-account-item .dropdown-menu li a i {
    margin-right: calc(var(--spacing-unit) * 0.75);
    width: 18px;
    text-align: center;
    color: var(--primary-color);
    transition: color var(--transition-speed) ease;
  }
  
  .main-navigation .user-account-item .dropdown-menu li a:hover i {
    color: var(--background-color);
  }
  
  .mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
  }
  
  /* Page Title Bar */
  .page-title-bar {
    background-color: var(--card-bg-color);
    color: var(--text-color);
    padding: calc(var(--spacing-unit) * 2) 0;
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
    border-bottom: 1px solid var(--border-color);
  }
  
  .page-title-bar h1 {
    margin-bottom: calc(var(--spacing-unit) * 0.25);
    color: var(--text-color);
  }
  
  .page-title-bar p {
    font-size: var(--font-size-lg);
    opacity: 0.8;
    color: var(--text-muted-color);
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: calc(var(--spacing-unit) * 0.6) calc(var(--spacing-unit) * 1.2);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease-in-out;
    text-decoration: none;
  }
  
  .btn-primary {
    color: var(--background-color);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
  }
  
  .btn-primary:hover {
    color: var(--background-color);
    background-color: var(--primary-color-hover);
    border-color: var(--primary-color-hover);
    text-decoration: none;
  }
  
  .btn-secondary {
    color: #fff;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
  }
  
  .btn-secondary:hover {
    color: #fff;
    background-color: #5a6268;
    border-color: #545b62;
    text-decoration: none;
  }
  
  .btn-success {
    color: var(--background-color);
    background-color: var(--success-color);
    border-color: var(--success-color);
  }
  
  .btn-success:hover {
    color: var(--background-color);
    background-color: #2ea043;
    border-color: #2ea043;
    text-decoration: none;
  }
  
  .btn-danger {
    color: #fff;
    background-color: var(--danger-color);
    border-color: var(--danger-color);
  }
  
  .btn-danger:hover {
    color: #fff;
    background-color: #da3633;
    border-color: #da3633;
    text-decoration: none;
  }
  
  .btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: transparent;
  }
  
  .btn-outline-primary:hover {
    color: var(--background-color);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    text-decoration: none;
  }
  
  .btn-outline-secondary {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
  }
  
  .btn-outline-secondary:hover {
    color: #fff;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    text-decoration: none;
  }
  
  .btn-lg {
    padding: calc(var(--spacing-unit) * 0.8) calc(var(--spacing-unit) * 2);
    font-size: var(--font-size-lg);
  }
  
  .btn-sm {
    padding: calc(var(--spacing-unit) * 0.4) calc(var(--spacing-unit) * 0.8);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    /* Ensure text fits well */
  }
  
  .btn-xs {
    padding: calc(var(--spacing-unit) * 0.25) calc(var(--spacing-unit) * 0.6);
    font-size: 0.75rem;
    line-height: 1.5;
  }
  
  .btn-block {
    display: block;
    width: 100%;
  }
  
  .btn:disabled,
  .btn.disabled {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  .btn i {
    margin-right: calc(var(--spacing-unit) * 0.3);
  }
  
  /* Forms (General) */
  .form-group {
    margin-bottom: var(--spacing-unit);
  }
  
  .form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: calc(var(--spacing-unit) * 0.3);
    font-size: var(--font-size-sm);
    color: var(--text-color);
  }
  
  .form-group input[type='text'],
  .form-group input[type='email'],
  .form-group input[type='password'],
  .form-group input[type='search'],
  .form-group input[type='number'],
  .form-group textarea,
  .form-group select {
    width: 100%;
    padding: calc(var(--spacing-unit) * 0.7) var(--spacing-unit);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-speed),
      box-shadow var(--transition-speed);
    font-family: inherit;
    background-color: var(--background-color);
    color: var(--text-color);
  }
  
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 158, 255, 0.25);
  }
  
  .form-group textarea {
    min-height: 120px;
    resize: vertical;
  }
  
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-unit);
  }
  
  input::placeholder,
  textarea::placeholder {
    color: var(--text-muted-color);
    opacity: 1;
  }
  
  /* Utility Classes */
  .text-center {
    text-align: center;
  }
  
  .text-right {
    text-align: right;
  }
  
  .text-success {
    color: var(--success-color) !important;
  }
  
  .text-danger {
    color: var(--danger-color) !important;
  }
  
  .text-warning {
    color: var(--warning-color) !important;
  }
  
  .bg-light {
    background-color: var(--card-bg-color) !important;
  }
  
  .mt-1 {
    margin-top: calc(var(--spacing-unit) * 0.5);
  }
  
  .mt-2 {
    margin-top: var(--spacing-unit);
  }
  
  .mt-3 {
    margin-top: calc(var(--spacing-unit) * 1.5);
  }
  
  .mb-1 {
    margin-bottom: calc(var(--spacing-unit) * 0.5);
  }
  
  .mb-2 {
    margin-bottom: var(--spacing-unit);
  }
  
  .mb-3 {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
  }
  
  .p-1 {
    padding: calc(var(--spacing-unit) * 0.5);
  }
  
  .p-2 {
    padding: var(--spacing-unit);
  }
  
  .p-3 {
    padding: calc(var(--spacing-unit) * 1.5);
  }
  
  /* Section Styling (General for content sections) */
  .content-section {
    padding: calc(var(--spacing-unit) * 2) 0;
  }
  
  .section-title {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2.5);
  }
  
  .section-title h2 {
    font-size: 2rem;
    margin-bottom: calc(var(--spacing-unit) * 0.5);
  }
  
  .section-title p {
    font-size: var(--font-size-lg);
    color: var(--text-muted-color);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .section-title-alt {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-unit);
    padding-bottom: calc(var(--spacing-unit) * 0.5);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
  }
  
  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-unit);
  }
  
  .section-header h2 {
    font-size: 1.6rem;
    margin-bottom: 0;
  }
  
  /* Footer Styles */
  .site-footer {
    background-color: var(--card-bg-color);
    color: var(--text-muted-color);
    padding: calc(var(--spacing-unit) * 2) 0;
    text-align: center;
    font-size: var(--font-size-sm);
    margin-top: auto;
    border-top: 1px solid var(--border-color);
  }
  
  .site-footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 0.5);
  }
  
  .footer-links {
    display: flex;
    gap: var(--spacing-unit);
  }
  
  .footer-links a {
    color: var(--text-muted-color);
  }
  
  .footer-links a:hover {
    color: var(--text-color);
    text-decoration: underline;
  }
  
  /* Responsive Adjustments (Global) */
  @media (max-width: 992px) {
    /* Adjusted breakpoint for nav toggle */
    .main-navigation {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background-color: var(--card-bg-color);
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
      flex-direction: column;
      padding: var(--spacing-unit);
      border-top: 1px solid var(--border-color);
    }
  
    .main-navigation.active {
      display: flex;
    }
  
    .main-navigation ul {
      flex-direction: column;
      gap: calc(var(--spacing-unit) * 0.5);
      width: 100%;
    }
  
    .main-navigation li a,
    .main-navigation li .user-account-toggle {
      display: block;
      padding: calc(var(--spacing-unit) * 0.75);
      width: 100%;
      text-align: left;
      border: none !important;
      background-color: transparent !important;
    }
  
    /* !important to override specific toggle styles for mobile */
    .main-navigation li a:hover,
    .main-navigation li .user-account-toggle:hover {
      background-color: rgba(74, 158, 255, 0.15) !important;
      color: var(--primary-color) !important;
    }
  
    /* Consistent hover for mobile */
    /* Ensure user account toggle itself doesn't get extra styling from .btn if it's an <a> */
    .main-navigation li .user-account-toggle.btn {
      border: none !important;
      padding: calc(var(--spacing-unit) * 0.75) !important;
    }
  
    .main-navigation .user-account-item .dropdown-menu {
      position: static;
      box-shadow: none;
      border: none;
      border-top: 1px solid var(--border-color);
      margin-top: calc(var(--spacing-unit) * 0.5);
      padding-top: calc(var(--spacing-unit) * 0.5);
      width: 100%;
      opacity: 1;
      visibility: visible;
      transform: none;
      display: block;
      /* Always show submenu items when parent is open */
    }
  
    .main-navigation .user-account-item.open .dropdown-menu {
      /* No change needed here, already handled */
    }
  
    .mobile-nav-toggle {
      display: block;
    }
  }
  
  @media (max-width: 768px) {
    .site-footer .container {
      flex-direction: column;
    }
  
    .form-row {
      grid-template-columns: 1fr;
    }
  
    .page-title-bar h1 {
      font-size: 1.8rem;
    }
  
    .page-title-bar p {
      font-size: 1rem;
    }
  }
  
  @media (min-width: 993px) {
    /* Ensure user account dropdown works correctly on desktop */
    .main-navigation .user-account-item .dropdown-menu {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      border-top: 1px solid var(--border-color);
    }
  
    .main-navigation .user-account-toggle {
      border: 1px solid var(--border-color);
      /* Restore border for desktop */
    }
  }