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

/* Body */
body {
    height: 100vh;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

/* Login Box */
.login-box {
    background: rgba(255,255,255,0.05);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    text-align: center;
}

/* Titel */
.login-box h1 {
    margin-bottom: 30px;
    color: #fff;
    font-size: 2rem;
    text-shadow: 1px 1px 6px rgba(0,0,0,0.5);
}

/* Inputs */
.login-box input {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1rem;
    transition: 0.3s;
}

.login-box input:focus {
    background: rgba(255,255,255,0.2);
    outline: none;
}

/* Button */
.login-box button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #22c55e;
    color: #fff;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.login-box button:hover {
    background: #16a34a;
}

/* Error */
.error {
    background: rgba(239, 68, 68,0.8);
    color: #fff;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-weight: bold;
}

/* Responsive */
@media(max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
}