:root {
            --primary-color: #1abc9c;
            --secondary-color: #ffffff;
            --accent-color: #16a085;
            --dark-color: #0b5345;
            --light-gray: #f5f5f7;
            --medium-gray: #e0e0e5;
            --text-color: #333333;
            --error-color: #e74c3c;
            --success-color: #2ecc71;
        }

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

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--light-gray);
            color: var(--text-color);
            line-height: 1.6;
            height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        header {
            background-color: var(--secondary-color);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo i {
            color: var(--primary-color);
            font-size: 28px;
            margin-right: 10px;
        }

        .logo h1 {
            color: var(--primary-color);
            font-size: 24px;
            font-weight: 700;
        }

        .register-container {
            background-color: var(--secondary-color);
            border-radius: 15px;
            box-shadow: 0 15px 40px rgba(26, 188, 156, 0.12);
            overflow: hidden;
            width: 900px;
            min-height: auto;
            position: relative;
            margin: 30px 0;
            padding: 50px;
        }

        .register-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .register-header h2 {
            font-size: 28px;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .register-header p {
            color: var(--text-color);
            opacity: 0.7;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--text-color);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid var(--medium-gray);
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
            font-family: 'Montserrat', sans-serif;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.2);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 10px center;
            background-size: 1em;
        }

        .photo-upload {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .photo-preview {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: var(--medium-gray);
            margin-right: 20px;
            overflow: hidden;
            position: relative;
            border: 2px dashed var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .photo-preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: none;
        }

        .photo-preview i {
            color: var(--primary-color);
            font-size: 24px;
        }

        .upload-btn {
            background-color: var(--primary-color);
            color: var(--secondary-color);
            padding: 10px 15px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.3s;
            border: none;
        }

        .upload-btn:hover {
            background-color: var(--dark-color);
        }

        #photo-input {
            display: none;
        }

        .password-toggle {
            position: absolute;
            right: 15px;
            top: 42px;
            cursor: pointer;
            color: var(--text-color);
            opacity: 0.5;
            transition: opacity 0.3s;
        }

        .password-toggle:hover {
            opacity: 1;
        }

        .btn {
            display: block;
            width: 100%;
            padding: 15px;
            border-radius: 10px;
            border: none;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 20px;
            text-align: center;
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--secondary-color);
        }

        .btn-primary:hover {
            background-color: var(--dark-color);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(26, 188, 156, 0.3);
        }

        .btn-fingerprint {
            background-color: var(--secondary-color);
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-fingerprint i {
            margin-right: 10px;
            font-size: 20px;
        }

        .btn-fingerprint:hover {
            background-color: var(--primary-color);
            color: var(--secondary-color);
        }

        .login-link {
            text-align: center;
            margin-top: 20px;
        }

        .login-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .login-link a:hover {
            color: var(--dark-color);
            text-decoration: underline;
        }

        .fingerprint-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }

        .fingerprint-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background-color: var(--secondary-color);
            border-radius: 15px;
            padding: 40px;
            text-align: center;
            max-width: 400px;
            width: 90%;
            position: relative;
            transform: translateY(20px);
            transition: transform 0.3s;
        }

        .fingerprint-modal.active .modal-content {
            transform: translateY(0);
        }

        .modal-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: rgba(26, 188, 156, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
        }

        .modal-icon i {
            font-size: 40px;
            color: var(--primary-color);
            animation: pulse 2s infinite;
        }

        .modal-content h3 {
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        .modal-content p {
            margin-bottom: 25px;
            color: var(--text-color);
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
            color: var(--text-color);
            opacity: 0.5;
            transition: opacity 0.3s;
        }

        .modal-close:hover {
            opacity: 1;
        }

        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
            100% {
                transform: scale(1);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .register-container {
                padding: 30px;
                width: 100%;
            }

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

        @media (max-width: 480px) {
            .register-container {
                padding: 20px;
            }
        }
        .logo img {
            height: 50px;
            margin-right: 15px;
            border-radius: 4px;
            object-fit: contain;
        }
        .notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease-out;
    display: flex;
    align-items: center;
    max-width: 400px;
}
.notification.success {
    background-color: #4CAF50;
    color: white;
}
.notification.error {
    background-color: #f44336;
    color: white;
    padding-right: 15px;
}
.notification.show {
    transform: translateY(0);
    opacity: 1;
}
.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
}
.notification i {
    font-size: 1.2em;
}
.notification-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    margin-left: 15px;
    padding: 0;
    font-size: 1em;
}