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

body {
    height: 100vh;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 350px;
}

.login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    color: white;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    animation: fadeIn 1s ease;
}

.login-card h2 {
    margin-bottom: 10px;
}

.login-card p {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: none;
    outline: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.2);
    color: white;
}

.input-group label {
    position: absolute;
    left: 10px;
    top: 10px;
    font-size: 14px;
    color: #ddd;
    transition: 0.3s;
    pointer-events: none;
}

.input-group input:focus + label,
.input-group input:valid + label {
    top: -10px;
    left: 8px;
    font-size: 12px;
    color: #fff;
}

button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: #00c6ff;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #0072ff;
}

small {
    display: block;
    margin-top: 15px;
    font-size: 12px;
    opacity: 0.7;
}

/* Animasi */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}