body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5; /* Background abu-abu soft */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh; /* Agar selalu di tengah layar */
    margin: 0;
}

/* Kartu Login/Register */
.login-card {
    background-color: #ffffff;
    width: 100%;
    max-width: 400px; /* Lebar maksimal agar tidak terlalu lebar di PC */
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1); /* Bayangan halus */
    text-align: center;
}

/* Judul */
.login-card h2 {
    color: #07afb1; /* Warna utama tema kamu */
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: 700;
}

.login-card p.subtitle {
    color: #666;
    font-size: 14px;
    margin-bottom: 30px;
}

/* Pesan Error */
.error-msg {
    background-color: #ffe5e5;
    color: #d32f2f;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 20px;
    border: 1px solid #ffcccc;
}

/* Form Styling */
form {
    display: flex;
    flex-direction: column;
    text-align: left;
}

label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

input[type="text"],
input[type="password"] {
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus {
    border-color: #07afb1;
    outline: none;
    box-shadow: 0 0 0 3px rgba(7, 175, 177, 0.1);
}

/* Tombol Utama */
button {
    background-color: #07afb1;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

button:hover {
    background-color: #058e90;
    transform: translateY(-2px); /* Efek naik dikit */
}

/* Link Navigasi Bawah */
.links {
    margin-top: 25px;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.links a {
    color: #07afb1;
    text-decoration: none;
    font-weight: 600;
}

.links a:hover {
    text-decoration: underline;
    color: #058e90;
}

/* Responsif untuk HP */
@media (max-width: 480px) {
    .login-card {
        width: 90%; /* Agar tidak nempel pinggir layar HP */
        padding: 30px 20px;
    }
}