/* Modern CSS for School MIS - Mobile-First Approach */

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    background-color: #f5f7fa;
    color: #333;
    padding: 0;
    margin: 0;
  }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
  }
  
  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
  }
  
  h1 {
    font-size: 24px;
  }
  
  h2 {
    font-size: 20px;
    margin-top: 20px;
  }
  
  h3 {
    font-size: 18px;
  }
  
  p {
    margin-bottom: 15px;
  }
  
  a {
    color: #4a90e2;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  /* Header */
  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
  }
  
  .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
  }
  
  .logout-btn {
    color: #666;
    font-size: 18px;
  }
  
  /* Cards */
  .card {
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
  }
  
  /* Sections */
  .section {
    margin-bottom: 30px;
  }
  
  /* Tables */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .table th,
  .table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
  }
  
  .table th {
    background-color: #f9f9f9;
    font-weight: 600;
  }
  
  .table tr:last-child td {
    border-bottom: none;
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    padding: 10px 15px;
    background-color: #4a90e2;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    text-align: center;
    transition: background-color 0.2s;
    text-decoration: none;
  }
  
  .btn:hover {
    background-color: #3a80d2;
    text-decoration: none;
  }
  
  .btn-sm {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  .btn-block {
    display: block;
    width: 100%;
  }
  
  /* Forms */
  .form-group {
    margin-bottom: 15px;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="date"],
  input[type="number"],
  select,
  textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    background-color: #fff;
  }
  
  input[type="text"]:focus,
  input[type="email"]:focus,
  input[type="password"]:focus,
  input[type="date"]:focus,
  input[type="number"]:focus,
  select:focus,
  textarea:focus {
    border-color: #4a90e2;
    outline: none;
  }
  
  /* Alerts */
  .alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    color: #fff;
  }
  
  .alert-success {
    background-color: #28a745;
  }
  
  .alert-error {
    background-color: #dc3545;
  }
  
  .alert-info {
    background-color: #17a2b8;
  }
  
  .alert-warning {
    background-color: #ffc107;
    color: #333;
  }
  
  /* Empty States */
  .empty-message {
    text-align: center;
    padding: 20px;
    color: #888;
    font-style: italic;
  }
  
  /* More Menu */
  .more-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: flex-end;
  }
  
  .more-menu-content {
    background-color: #fff;
    width: 100%;
    max-width: 500px;
    border-radius: 15px 15px 0 0;
    padding: 20px;
    animation: slideUp 0.3s ease-out;
  }
  
  .more-menu-content h3 {
    text-align: center;
    margin-bottom: 15px;
  }
  
  .more-menu-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
  }
  
  .more-menu-item:last-of-type {
    border-bottom: none;
  }
  
  .more-menu-item i {
    width: 30px;
    color: #4a90e2;
  }
  
  /* Animations */
  @keyframes slideUp {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }
  
  /* Responsive Adjustments */
  @media (min-width: 768px) {
    h1 {
      font-size: 28px;
    }
  
    h2 {
      font-size: 22px;
    }
  
    .bottom-nav {
      display: none;
    }
  
    .container {
      padding: 20px;
    }
  }
  
  @media (min-width: 992px) {
    .container {
      padding: 30px;
    }
  }