/* Reset CSS sederhana */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.login-box {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #333;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.login-header p {
    color: #888;
    font-size: 14px;
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-size: 14px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e1e1e1;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: #f9f9f9;
}

.form-control:focus {
    border-color: #007bff;
    background-color: #fff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.btn-login:hover {
    background-color: #0056b3;
}

/* --- Utilities & Alerts --- */
.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: center;
}

.alert-danger {
    background-color: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-warning {
    background-color: #fef3c7;
    color: #d97706;
    border: 1px solid #fde68a;
}

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