* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', sans-serif;
        }

        body {
            height: 100vh;
            background: linear-gradient(135deg, #8b0000, #b22222);
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .container {
            background: white;
            padding: 30px;
            width: 350px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        h2 {
            text-align: center;
            margin-bottom: 20px;
            color: #8b0000;
        }

        .error {
            color: red;
            text-align: center;
            margin-bottom: 10px;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        label {
            font-size: 14px;
            font-weight: 600;
        }

        input, select {
            width: 100%;
            padding: 10px;
            margin-top: 5px;
            border-radius: 8px;
            border: 1px solid #ccc;
            outline: none;
            transition: 0.2s;
        }

        input:focus, select:focus {
            border-color: #8b0000;
            box-shadow: 0 0 5px rgba(139,0,0,0.3);
        }

        button {
            width: 100%;
            padding: 10px;
            background: #8b0000;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: 0.3s;
        }

        button:hover {
            background: #a00000;
        }

        .login-link {
            text-align: center;
            margin-top: 15px;
            font-size: 14px;
        }

        .login-link a {
            color: #8b0000;
            text-decoration: none;
            font-weight: bold;
        }

        .login-link a:hover {
            text-decoration: underline;
        }

        .alert {
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
    text-align: center;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
}
.auth-logo {
    width: 80px; 
    height: auto;
    display: block; 
    margin: 0 auto 15px auto; 
    filter: drop-shadow(0px 2px 4px rgba(0,0,0,0.15)); 
}