:root {
            --primary-color: #191bdf;
            --secondary-color: #ffffff;
            --accent-color: #4a4df3;
            --dark-color: #0f1152;
            --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;
        }

        .login-container {
            display: flex;
            background-color: var(--secondary-color);
            border-radius: 15px;
            box-shadow: 0 15px 40px rgba(25, 27, 223, 0.12);
            overflow: hidden;
            width: 900px;
            min-height: 550px;
            position: relative;
            margin: 30px 0;
        }

        .login-left {
            flex: 1;
            padding: 60px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
            color: var(--secondary-color);
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .login-left::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }

        .login-left::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .login-left h2 {
            font-size: 32px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .login-left p {
            margin-bottom: 30px;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }

        .features-list {
            list-style: none;
            margin-top: 30px;
            position: relative;
            z-index: 1;
        }

        .features-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .features-list i {
            margin-right: 10px;
            color: rgba(255, 255, 255, 0.8);
        }

        .login-right {
            flex: 1;
            padding: 60px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

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

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

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

        .role-selector {
            display: flex;
            margin-bottom: 30px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(25, 27, 223, 0.1);
        }

        .role-btn {
            flex: 1;
            padding: 15px;
            text-align: center;
            background-color: var(--medium-gray);
            color: var(--text-color);
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .role-btn:first-child {
            border-right: 1px solid var(--medium-gray);
        }

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

        .form-group {
            margin-bottom: 25px;
            position: relative;
        }

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

        .form-control {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid var(--medium-gray);
            border-radius: 10px;
            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(25, 27, 223, 0.2);
        }

        .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;
        }

        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }

        .remember-me {
            display: flex;
            align-items: center;
        }

        .remember-me input {
            margin-right: 8px;
            accent-color: var(--primary-color);
        }

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

        .forgot-password:hover {
            color: var(--dark-color);
            text-decoration: underline;
        }

        .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(25, 27, 223, 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);
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
            color: var(--text-color);
            opacity: 0.5;
        }

        .divider::before, .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid var(--medium-gray);
        }

        .divider::before {
            margin-right: 15px;
        }

        .divider::after {
            margin-left: 15px;
        }

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

        .login-footer p {
            color: var(--text-color);
            opacity: 0.7;
        }

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

        .login-footer 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(25, 27, 223, 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) {
            .login-container {
                flex-direction: column;
                width: 100%;
                min-height: auto;
            }

            .login-left, .login-right {
                padding: 40px 30px;
            }

            .login-left {
                order: 2;
            }

            .login-right {
                order: 1;
            }
        }

        @media (max-width: 480px) {
            .login-left, .login-right {
                padding: 30px 20px;
            }

            .role-selector {
                flex-direction: column;
            }

            .role-btn:first-child {
                border-right: none;
                border-bottom: 1px solid var(--medium-gray);
            }
        }
        .notification {
            position: fixed;
            top: 30px;
            right: 30px;
            z-index: 2000;
            min-width: 300px;
            padding: 18px 28px;
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 6px 24px rgba(25,27,223,0.13);
            opacity: 0;
            pointer-events: none;
            transform: translateY(-20px);
            transition: opacity 0.4s, transform 0.4s;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .notification.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .notification.success {
            background: var(--success-color, #2ecc71);
        }
        .notification.error {
            background: var(--error-color, #e74c3c);
        }
        .notification .notification-content i {
            font-size: 22px;
        }