* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(135deg, #A1C4FD, #C2E9FB, #D4FC79);
      min-height: 100vh;
      color: #333;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .header {
      text-align: center;
      margin-bottom: 40px;
      color: #2C2C2C;
    }

    .header-flex{
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 30px;
    }

    .header-logo{
      width:100px;
      height:100px;
      object-fit: contain;
      margin-left: 10px;
    }


    .header h1 {
      font-size: 3rem;
      margin-bottom: 10px;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
      margin: 0;
      font-size: 2.5rem;
    }

    .header p {
      font-size: 1.2rem;
      opacity: 0.9;
      margin: 2px 0 0;
    }

    .search-section {
      background: white;
      border-radius: 20px;
      padding: 30px;
      margin-bottom: 30px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }

    .search-container {
      display: flex;
      gap: 15px;
      margin-bottom: 20px;
    }

    .search-input {
      flex: 1;
      padding: 15px 20px;
      border: 2px solid #e0e0e0;
      border-radius: 50px;
      font-size: 16px;
      outline: none;
      transition: all 0.3s ease;
    }

    .search-input:focus {
      border-color: #32374f;
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(102, 126, 234, 0.1);
    }

    .btn {
      padding: 15px 30px;
      border: none;
      border-radius: 50px;
      cursor: pointer;
      font-weight: 600;
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .btn-primary {
      background: linear-gradient(45deg, #FF6B4A, #FFD700);
      color: white;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    }

    .btn-secondary {
      background: #f8f9fa;
      color: #333;
      border: 2px solid #e0e0e0;
    }

    .btn-secondary:hover {
      background: #e9ecef;
      transform: translateY(-1px);
    }

    .career-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .career-card {
      background: white;
      border-radius: 20px;
      padding: 30px;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .career-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(45deg, #2a4f3b, #ec6b76);
    }

    .career-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }

    .career-icon {
      width: 80px;
      height: 80px;
      background: linear-gradient(45deg, #FF6B4A);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
    }

    .career-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 15px;
      color: #333;
    }

    .career-stats {
      display: flex;
      justify-content: space-between;
      color: #666;
      font-size: 0.9rem;
    }

    .career-stats span {
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .members-count {
      cursor: pointer;
      color: #667eea;
      font-weight: 600;
    }

    .members-count:hover {
      text-decoration: underline;
    }

    .modal {
      display: none;
      position: fixed;
      z-index: 1000;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
    }

    .modal-content {
      background-color: #fefefe;
      margin: 2% auto;
      padding: 0;
      border-radius: 20px;
      width: 90%;
      max-width: 1000px;
      max-height: 90vh;
      overflow: hidden;
      position: relative;
      overflow-y: auto;
    }

    .modal-header {
      background: linear-gradient(45deg, #2a4f3b, #ec6b76);
      color: white;
      padding: 30px;
      text-align: center;
    }

    .modal-header h2 {
      font-size: 2rem;
      margin-bottom: 10px;
    }

    .close {
      color: white;
      float: right;
      font-size: 28px;
      font-weight: bold;
      position: absolute;
      right: 20px;
      top: 20px;
      cursor: pointer;
    }

    .close:hover {
      opacity: 0.7;
    }

    .tabs {
      display: flex;
      background: #f8f9fa;
      border-bottom: 1px solid #e0e0e0;
    }

    .tab {
      flex: 1;
      padding: 20px;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
      border: none;
      background: none;
      font-weight: 600;
    }

    .tab.active {
      background: white;
      color: #667eea;
      border-bottom: 3px solid #0f1f12;
    }

    .tab:hover:not(.active) {
      background: #e9ecef;
    }

    .tab-content {
      display: none;
      padding: 30px;
      max-height: 60vh;
      overflow-y: auto;
    }

    .tab-content.active {
      display: block;
    }

    .post {
      background: #f8f9fa;
      border-left: 4px solid #667eea;
      border-radius: 10px;
      padding: 20px;
      margin-bottom: 20px;
      transition: all 0.3s ease;
    }

    .post:hover {
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transform: translateY(-2px);
    }

    .post-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 15px;
    }

    .post-author {
      font-weight: 600;
      color: #333;
    }

    .post-type {
      background: #667eea;
      color: white;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: capitalize;
    }

    .post-content h3 {
      color: #333;
      margin-bottom: 10px;
    }

    .post-content p {
      color: #666;
      line-height: 1.6;
      margin-bottom: 15px;
    }

    .skills-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 15px;
    }

    .skill-tag {
      background: #e3f2fd;
      color: #1976d2;
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 500;
    }

    .engagement-stats {
      display: flex;
      gap: 20px;
      padding-top: 15px;
      border-top: 1px solid #e0e0e0;
    }

    .stat {
      display: flex;
      align-items: center;
      gap: 5px;
      color: #666;
      cursor: pointer;
      transition: color 0.3s ease;
    }

    .stat:hover {
      color: #737788;
    }

    .mentor-badge {
      background: #28a745;
      color: white;
      padding: 2px 8px;
      border-radius: 12px;
      font-size: 0.7rem;
      margin-left: 10px;
      display: inline-flex;
      align-items: center;
      gap: 3px;
    }

    .create-post {
      background: white;
      border-radius: 15px;
      padding: 25px;
      margin-bottom: 25px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: #333;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
      width: 100%;
      padding: 12px 15px;
      border: 2px solid #e0e0e0;
      border-radius: 10px;
      font-size: 14px;
      transition: border-color 0.3s ease;
    }

    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      outline: none;
      border-color: #667eea;
    }

    .form-group textarea {
      min-height: 100px;
      resize: vertical;
    }

    .navbar {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 999;
      display: flex;
      gap: 10px;
    }

    .nav-btn {
      padding: 12px 20px;
      background: rgba(255, 255, 255, 0.9);
      border: none;
      border-radius: 50px;
      cursor: pointer;
      font-weight: 600;
      transition: all 0.3s ease;
      backdrop-filter: blur(10px);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-btn:hover {
      background: white;
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .profile-section {
      text-align: center;
      margin-bottom: 30px;
    }

    .profile-avatar {
      width: 100px;
      height: 100px;
      background: linear-gradient(45deg, #ff0000, #764ba2);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 15px;
      color: white;
      font-size: 24px;
      font-weight: 600;
    }

    .user-role-badge {
      background: #28a745;
      color: white;
      padding: 4px 12px;
      border-radius: 15px;
      font-size: 0.8rem;
      margin-left: 15px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }


    .role-card {
      background: white;
      border-radius: 20px;
      padding: 30px;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s ease;
      border: 3px solid transparent;
      position: relative;
      overflow: hidden;
    }

    .role-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(45deg, #27b114, #4b4ca2);
    }

    .role-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
      border-color: #667eea;
    }

    .role-card h3 {
      margin-bottom: 15px;
      color: #333;
      font-size: 1.4rem;
    }

    .role-card p {
      color: #666;
      margin-bottom: 15px;
      line-height: 1.5;
    }

    .role-card ul {
      list-style: none;
      padding: 0;
    }

    .role-card li {
      color: #666;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .role-card li::before {
      content: '✓';
      color: #28a745;
      font-weight: bold;
    }

    .role-selection {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      margin-top: 30px;
    }



    .sdg-info h3 {
      margin-bottom: 10px;
      color: #ffeb3b;

    }

     .toast-container {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 2000;
      display: flex;
      flex-direction: column;
      gap: 10px;
      max-width: 400px;
    }

    .toast {
      background: white;
      border-radius: 10px;
      padding: 16px 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      gap: 12px;
      animation: slideIn 0.3s ease;
      border-left: 4px solid #667eea;
      position: relative;
      cursor: pointer;
    }

    .toast.success {
      border-left-color: #28a745;
    }

    .toast.error {
      border-left-color: #dc3545;
    }

    .toast.warning {
      border-left-color: #ffc107;
    }

    .toast.info {
      border-left-color: #17a2b8;
    }

    .toast-icon {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
    }

    .toast-content {
      flex: 1;
    }

    .toast-title {
      font-weight: 600;
      margin-bottom: 4px;
      color: #333;
    }

    .toast-message {
      color: #666;
      font-size: 14px;
      line-height: 1.4;
    }

    .toast-close {
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #999;
      hover: #333;
      font-size: 18px;
      line-height: 1;
    }

    .toast-close:hover {
      color: #333;
    }

    @keyframes slideIn {
      from {
        transform: translateX(100%);
        opacity: 0;
      }
      to {
        transform: translateX(0);
        opacity: 1;
      }
    }

    @keyframes slideOut {
      from {
        transform: translateX(0);
        opacity: 1;
      }
      to {
        transform: translateX(100%);
        opacity: 0;
      }
    }

    .toast.sliding-out {
      animation: slideOut 0.3s ease;
    }


    .expertise-field {
      border: 3px solid #667eea !important;
      box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2) !important;
      transform: scale(1.02);
    }

    .expertise-field:hover {
      transform: scale(1.05) !important;
      box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3) !important;
    }