body {
        margin: 0;
        padding: 0;
        font-family: 'Segoe UI', sans-serif;
        background: linear-gradient(135deg, #FFD700, #FFC107);
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .login-container {
        background: #fff;
        padding: 30px;
        border-radius: 15px;
        width: 300px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        text-align: center;
    }

    .login-container h2 {
        margin-bottom: 10px;
        color: #FFC107;
    }

    .input-group {
        margin-bottom: 10px;
        text-align: left;
    }

    .input-group label {
        font-size: 14px;
        color: #555;
    }

    .input-group input {
        width: 100%;
        padding: 10px;
        margin-top: 5px;
        border: 1px solid #ddd;
        border-radius: 8px;
        outline: none;
        transition: 0.3s;
    }

    .input-group input:focus {
        border-color: #FFC107;
        box-shadow: 0 0 5px rgba(255,193,7,0.5);
    }

    .btn-login {
        width: 100%;
        padding: 12px;
        background: #FFC107;
        border: none;
        border-radius: 8px;
        color: #fff;
        font-weight: bold;
        cursor: pointer;
        transition: 0.3s;
    }

    .btn-login:hover {
        background: #e0a800;
    }

    .footer-text {
        margin-top: 15px;
        font-size: 13px;
        color: #777;
    }

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