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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #000a2e 0%, #0d47a1 50%, #1a237e 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            width: 100%;
            max-width: 550px;
            background: rgba(255, 255, 255, 0.96);
            border-radius: 25px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #0d47a1 0%, #1976d2 50%, #00a8e8 100%);
            padding: 35px 30px;
            text-align: center;
            color: white;
        }

        .logo {
            width: 100px;
            height: 100px;
            background: white;
            border-radius: 50%;
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
            padding: 15px;
        }

        .logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        h1 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 8px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .tagline {
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 2px;
            opacity: 0.95;
        }

        .role-badge {
            margin-top: 20px;
            padding: 12px 25px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            display: inline-block;
            font-weight: 600;
        }

        .body {
            padding: 35px;
        }

        /* Loading Animation */
        .loading-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 300px;
            opacity: 1;
            transition: opacity 0.3s ease;
        }

        .loading-container.hidden {
            display: none;
            opacity: 0;
        }

        .spinner {
            width: 80px;
            height: 80px;
            border: 6px solid #e0e0e0;
            border-top: 6px solid #0d47a1;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-text {
            margin-top: 25px;
            font-size: 16px;
            color: #424242;
            font-weight: 600;
            animation: pulse 1.5s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .loading-dots {
            display: flex;
            gap: 8px;
            margin-top: 15px;
        }

        .dot {
            width: 12px;
            height: 12px;
            background: #0d47a1;
            border-radius: 50%;
            animation: bounce 1.4s ease-in-out infinite;
        }

        .dot:nth-child(1) { animation-delay: 0s; }
        .dot:nth-child(2) { animation-delay: 0.2s; }
        .dot:nth-child(3) { animation-delay: 0.4s; }

        @keyframes bounce {
            0%, 80%, 100% { transform: scale(0); }
            40% { transform: scale(1); }
        }

        /* Student Form */
        .student-form {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .student-form.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-group {
            margin-bottom: 22px;
        }

        .form-group label {
            display: block;
            margin-bottom: 10px;
            color: #424242;
            font-weight: 600;
            font-size: 14px;
        }

        .form-group label i {
            margin-right: 8px;
            color: #0d47a1;
            width: 18px;
        }

        .form-group input {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 15px;
            transition: all 0.3s ease;
        }

        .form-group input:focus {
            border-color: #0d47a1;
            outline: none;
            box-shadow: 0 0 0 4px rgba(13, 71, 161, 0.1);
        }

        .login-btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            background: linear-gradient(135deg, #0d47a1 0%, #1976d2 100%);
            color: white;
            box-shadow: 0 5px 15px rgba(13, 71, 161, 0.3);
            transition: all 0.3s ease;
            margin-top: 12px;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 71, 161, 0.4);
        }

        .info-btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            background: linear-gradient(135deg, #00a8e8 0%, #0078d4 100%);
            color: white;
            box-shadow: 0 5px 15px rgba(0, 120, 212, 0.3);
            transition: all 0.3s ease;
            margin-top: 12px;
        }

        .info-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 120, 212, 0.4);
        }

        /* Info Modal */
        .info-modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.6);
            animation: fadeIn 0.3s ease;
        }

        .info-modal.active {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .info-modal-content {
            background: linear-gradient(135deg, #0d47a1 0%, #1976d2 100%);
            margin: 5% auto;
            padding: 35px;
            border-radius: 20px;
            width: 90%;
            max-width: 600px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            color: white;
            animation: slideDown 0.4s ease;
            position: relative;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .close-info-modal {
            color: white;
            position: absolute;
            right: 25px;
            top: 20px;
            font-size: 35px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s;
            line-height: 1;
        }

        .close-info-modal:hover {
            color: #ffeb3b;
        }

        .info-modal-content h2 {
            margin-bottom: 20px;
            font-size: 26px;
        }

        .info-modal-content p {
            margin-bottom: 15px;
            line-height: 1.7;
            font-size: 15px;
        }

        .info-modal-content strong {
            font-weight: 600;
        }

        .info-modal-content a {
            color: #ffeb3b;
            font-weight: 600;
            text-decoration: none;
        }

        .info-modal-content a:hover {
            text-decoration: underline;
        }

        .toll-free-box {
            margin-top: 25px;
            padding: 18px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            font-weight: 600;
            text-align: center;
            font-size: 17px;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        @media (max-width: 768px) {
            .info-modal-content {
                width: 95%;
                padding: 25px;
                margin: 10% auto;
            }

            .info-modal-content h2 {
                font-size: 22px;
            }

            .info-modal-content p {
                font-size: 14px;
            }

            .close-info-modal {
                font-size: 28px;
                right: 15px;
                top: 15px;
            }
        }