/* ==============================
   1. FONTS & RESET (CORPORATE STYLE)
============================== */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    
    /* Latar belakang kelabu cerah (seperti latar belakang Windows/Office) */
    background-color: #f0f2f5;
    color: #333;
    font-family: 'Roboto', sans-serif;
}

/* ==============================
   2. CONTAINER (KAD PUTIH BERSIH)
============================== */
.container {
    width: 100%;
    max-width: 420px;
    padding: 40px 30px;
    border-radius: 4px; /* Sudut lebih tajam untuk rasa rasmi */
    
    /* Warna putih standard & bayangan halus */
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-top: 5px solid #003366; /* Garisan biru gelap di atas (signature system) */
    
    text-align: center;
    margin: 20px;
}

/* ==============================
   3. HEADER & TEKS
============================== */
.container h1 {
    font-family: 'Roboto', sans-serif; /* Guna font standard yang mudah dibaca */
    font-size: 1.8rem;
    font-weight: 700;
    color: #003366; /* Navy Blue Gelap - Warna korporat */
    margin-bottom: 5px;
    text-transform: none;
    letter-spacing: 0.5px;
}

/* Penerangan kecil (Slogan sistem) */
.container h1 + p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 30px;
    font-weight: 400;
}

/* ==============================
   4. ALERTS (MAKLUMAN RALAT/KEJAYAAN)
============================== */
.alert {
    padding: 12px;
    border-radius: 3px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    border-left: 4px solid; /* Border di sebelah kiri */
}

.alert-danger { 
    background-color: #ffebee; /* Merah jambu sangat pucat */
    color: #c62828; 
    border-left-color: #c62828;
}

.alert-success { 
    background-color: #e8f5e9; /* Hijau sangat pucat */
    color: #2e7d32; 
    border-left-color: #2e7d32;
}

/* ==============================
   5. FORM ELEMENTS (INPUT BIASA)
============================== */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    position: relative;
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #444;
    margin-bottom: 6px;
    font-size: 0.85rem;
    text-transform: uppercase; /* Label huruf besar kecil (uppercase) */
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 12px 10px;
    border-radius: 2px; /* Input bersegi sedikit */
    border: 1px solid #ccc;
    background: #fff;
    color: #333;
    font-size: 0.95rem;
    font-family: 'Roboto', sans-serif;
    outline: none;
    transition: border-color 0.2s;
}

/* Placeholder style */
.form-group input::placeholder {
    color: #aaa;
    font-style: italic;
}

/* Efek Focus - Border biru gelap seperti input standard */
.form-group input:focus {
    border-color: #003366;
    box-shadow: 0 0 0 1px rgba(0, 51, 102, 0.1); /* Focus sangat halus */
}

/* ==============================
   6. BUTTON (BIRU KORPORAT)
============================== */
.btn {
    width: 100%;
    padding: 14px;
    border-radius: 2px;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
    letter-spacing: 0.5px;
    
    /* Warna Biru Korporat (Navy) */
    background: #004080; 
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    
    transition: all 0.2s ease;
    margin-top: 10px;
    text-transform: uppercase;
}

.btn:hover {
    background: #003366; /* Lebih gelap bila hover */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn:active {
    background: #002244; /* Paling gelap bila tekan */
    transform: translateY(1px);
}

/* Untuk butang disabled (Lockout) */
.btn:disabled, .btn[disabled] {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

/* ==============================
   7. FOOTER LINKS
============================== */
.container p {
    margin-top: 25px;
    font-size: 0.85rem;
    color: #666;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.container a {
    color: #004080;
    font-weight: 600;
    text-decoration: none;
}

.container a:hover {
    text-decoration: underline;
    color: #002244;
}

/* ==============================
   8. RESPONSIF (MOBILE)
============================== */
@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 30px 20px;
        margin: 10px;
        box-shadow: none; /* Buang shadow di mobile supaya nampak flat */
        border: 1px solid #ddd;
    }
    
    .container h1 {
        font-size: 1.5rem;
    }
    
    .form-group input, .btn {
        padding: 12px;
    }
}
/* ==============================
   9. FOOTER BRANDING (NEXTF.MY)
============================== */
.footer-branding {
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid #eee; /* Garis pemisah halus */
    text-align: center;
}

.footer-branding p {
    font-size: 0.8rem;
    color: #777;
    margin: 0;
    font-weight: 400;
}

.footer-branding a {
    color: #004080; /* Warna biru yang sama dengan butang */
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.footer-branding a:hover {
    color: #002244;
    text-decoration: underline;
}