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

        body {
font-family: "Zalando Sans", sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            background: #1e1e2e;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            overflow: hidden;
            width: 100%;
            max-width: 900px;
            display: flex;
            min-height: 550px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .left-panel {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
            padding: 60px 40px;
            color: white;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .left-panel h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .left-panel p {
            font-size: 1.1rem;
            line-height: 1.6;
            opacity: 0.95;
        }

        .feature-list {
            margin-top: 30px;
        }

        .feature-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .feature-item::before {
            content: "✓";
            background: rgba(255, 255, 255, 0.25);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-weight: bold;
        }

        .right-panel {
            padding: 60px 50px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: #252535;
        }

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

        .login-header h2 {
            font-size: 2rem;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .login-header p {
            color: #a0a0b0;
            font-size: 0.95rem;
        }

        .role-selector {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
        }

        .role-option {
            flex: 1;
            position: relative;
        }

        .role-option input[type="radio"] {
            display: none;
        }

        .role-label {
            display: block;
            padding: 15px;
            border: 2px solid #3a3a4a;
            border-radius: 12px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            color: #a0a0b0;
            background: #2a2a3a;
        }

        .role-option input[type="radio"]:checked + .role-label {
            border-color: #6366f1;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #e0e0e0;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-group input {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #3a3a4a;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            outline: none;
            background: #2a2a3a;
            color: #ffffff;
        }

        .form-group input::placeholder {
            color: #6a6a7a;
        }

        .form-group input:focus {
            border-color: #6366f1;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }

        .forgot-password {
            text-align: right;
            margin-bottom: 25px;
        }

        .forgot-password a {
            color: #8b5cf6;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .forgot-password a:hover {
            text-decoration: underline;
            color: #a78bfa;
        }

        .btn-login {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.5);
        }

        .btn-login:active {
            transform: translateY(0);
        }

        .signup-link {
            text-align: center;
            margin-top: 25px;
            color: #a0a0b0;
            font-size: 0.95rem;
        }

        .signup-link a {
            color: #8b5cf6;
            text-decoration: none;
            font-weight: 600;
        }

        .signup-link a:hover {
            text-decoration: underline;
            color: #a78bfa;
        }

        .alert {
            padding: 12px 18px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }

        .alert-error {
            background: rgba(239, 68, 68, 0.15);
            color: #fca5a5;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .alert-success {
            background: rgba(34, 197, 94, 0.15);
            color: #86efac;
            border: 1px solid rgba(34, 197, 94, 0.3);
        }

        @media (max-width: 768px) {
            .container {
                flex-direction: column;
            }

            .left-panel {
                padding: 40px 30px;
            }

            .left-panel h1 {
                font-size: 2rem;
            }

            .right-panel {
                padding: 40px 30px;
            }
        }