:root {
    --primary: #059669; /* Green to match PTPN/Perkebunan */
    --primary-dark: #047857;
    --bg-accent: #f0fdf4;
    --text-dark: #0f172a;
    --text-gray: #64748b;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: #0b1329; /* Fallback warna gelap yang elegan */
    background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(4, 120, 87, 0.75) 100%), url('../images/login_bg_ptpn.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-wrapper {
    width: 100%;
    max-width: 400px; /* Reduced from 500px for a sleeker, more compact look */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px; /* Reduced from 40px */
    box-shadow: 0 20px 40px -15px rgba(5, 150, 105, 0.15), 0 0 10px 0 rgba(0, 0, 0, 0.03);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Unified Logo Lockup Area */
.logo-header {
    padding: 35px 20px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

/* Kontainer badge lockup agar ketiga logo serasa digabungkan menjadi satu kesatuan resmi */
.logo-lockup-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px; /* Membulat lembut layaknya satu badge terintegrasi */
    padding: 10px 18px;
    gap: 14px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02), 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.logo-lockup-badge:hover {
    background: #ffffff;
    border-color: #cbd5e1;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.01), 0 6px 16px rgba(5, 150, 105, 0.08);
}

/* Garis pemisah vertikal yang elegan antar logo */
.logo-separator {
    width: 1px;
    height: 26px;
    background: #cbd5e1;
    border-radius: 1px;
}

.logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Kalibrasi presisi agar ketiga logo memiliki bobot visual dan ukuran yang benar-benar sama */
.logo-danantara {
    height: 28px; /* Teks horizontal Danantara seimbang sempurna pada tinggi ini */
}

.logo-ptpn {
    height: 38px; /* Kalibrasi tinggi agar ombak dan teks PTPN Holding identik */
}

.logo-ptpn4 {
    height: 44px; /* Kalibrasi tinggi untuk mengimbangi transparent padding internal PTPN IV */
}

.logo-img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.04));
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.08);
}

/* Content Area */
.login-content {
    padding: 10px 35px 40px; /* Tighter, more balanced padding */
}

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

h1 {
    font-size: 24px; /* Scaled down for elegance */
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}

.subtitle {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

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

label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    padding-left: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.input-control {
    width: 100%;
    padding: 12px 16px; /* Sleeker input height */
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 14px; /* Subtle rounded corners */
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.2s ease;
}

.input-control::placeholder {
    color: #94a3b8;
    font-weight: 500;
}

.input-control:focus {
    background: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.12);
    outline: none;
}

/* Password Input Wrapper & Toggle */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.password-wrapper .input-control {
    padding-right: 42px; /* Memberikan ruang agar teks tidak tertimpa ikon mata */
}

.password-toggle {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, transform 0.2s ease;
}

.password-toggle:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.password-toggle:focus {
    outline: none;
}

.password-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.btn-login {
    width: 100%;
    padding: 14px; /* Proportionate button padding */
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 20px -6px rgba(5, 150, 105, 0.4);
    transition: all 0.2s ease;
    margin-top: 5px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px -6px rgba(5, 150, 105, 0.5);
    filter: brightness(1.05);
}

.btn-login:active {
    transform: translateY(0);
}

.extra-links {
    margin-top: 25px;
    text-align: center;
    font-size: 13px;
    color: var(--text-gray);
    font-weight: 600;
}

.extra-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

.error-alert {
    background: #fef2f2;
    border-left: 4px solid #ef4444;
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 25px;
    color: #991b1b;
    font-size: 13px;
    font-weight: 600;
}

.success-alert {
    background: #f0fdf4;
    border-left: 4px solid #22c55e;
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 25px;
    color: #15803d;
    font-size: 13px;
    font-weight: 600;
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .login-wrapper {
        border-radius: 20px;
    }

    .logo-header {
        padding: 25px 15px 10px;
    }

    /* Penyesuaian lockup badge agar pas di layar HP kecil (seperti 320px - 375px) */
    .logo-lockup-badge {
        padding: 8px 12px;
        gap: 10px;
        border-radius: 16px;
        width: 100%; /* Memaksimalkan area yang tersedia */
        justify-content: center;
    }

    .logo-separator {
        height: 22px;
    }

    /* Penyesuaian skala logo pada mobile agar tidak meluap (overflow) */
    .logo-danantara { height: 22px; }
    .logo-ptpn { height: 30px; }
    .logo-ptpn4 { height: 35px; }

    .login-content {
        padding: 10px 24px 30px; /* Padding samping lebih pas untuk layar HP */
    }

    h1 {
        font-size: 22px;
        margin-bottom: 4px;
    }

    .subtitle {
        font-size: 13px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .input-control {
        padding: 10px 14px;
        font-size: 14px;
    }

    .btn-login {
        padding: 12px;
        font-size: 14px;
    }

    .extra-links {
        margin-top: 20px;
        font-size: 12px;
    }
}