/* Login Page Styles */
:root {
    /* DEFAULT (Navy) - tetap sebagai fallback */
    --login-bg-start: #0B0C33;
    --login-bg-end: #1E3A8A;
    --login-header-bg: linear-gradient(135deg, #0B0C33 0%, #1E3A8A 100%);
    --login-header-text: #ffffff;
    --primary-color: #2F6FED;
    --secondary-color: #7C3AED;
}
/* Variants: set via class pada <body class="login-page theme-..."> */
body.login-page.theme-navy {
    --login-bg-start: #0B0C33;
    --login-bg-end: #1E3A8A;
    --login-header-bg: linear-gradient(135deg, #0B0C33, #1E3A8A);
    --login-header-text: #ffffff;
    --primary-color: #2F6FED;
    --secondary-color: #7C3AED;
}

/* Teal Fresh */
body.login-page.theme-teal {
    --login-bg-start: #0D9488; /* teal gelap */
    --login-bg-end:   #0F766E; /* teal lebih gelap */
    --login-header-bg: linear-gradient(135deg, #0D9488, #06B6D4); /* teal -> cyan */
    --login-header-text: #ffffff;
    --primary-color: #0EA5A3;  /* teal */
    --secondary-color: #06B6D4;/* cyan */
}

/* Neutral Warm */
body.login-page.theme-neutral {
    --login-bg-start: #EDE0D4; /* krem lembut */
    --login-bg-end:   #B08968; /* coklat muda */
    --login-header-bg: linear-gradient(135deg, #8B5E34, #D4A373); /* warm brown -> amber */
    --login-header-text: #ffffff;
    --primary-color: #B08968;  /* warm brown */
    --secondary-color: #D4A373;/* amber warm */
}

/* Background global login tetap memanfaatkan variabel di atas */
body.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* Background yang lebih proporsional dan fokus */
    background:
        radial-gradient(1200px 600px at 80% 10%, rgba(255,255,255,0.06), transparent 60%),
        radial-gradient(800px 400px at 10% 80%, rgba(255,255,255,0.05), transparent 60%),
        linear-gradient(135deg, var(--login-bg-start) 0%, var(--login-bg-end) 100%);
}

.login-card {
    position: relative;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px) saturate(110%);
    border-radius: 16px;                /* sedikit lebih ringkas */
    box-shadow: 0 12px 28px rgba(10, 20, 60, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.25);
    max-width: 420px;                   /* beri ruang lebih agar teks tidak mepet */
    margin: 0 auto;
    overflow: hidden;
}
.login-card::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 1px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(102,126,234,.5), rgba(118,75,162,.5));
    -webkit-mask: 
       linear-gradient(#000 0 0) content-box, 
       linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
}

.login-header {
    background: var(--login-header-bg);
    color: var(--login-header-text);
    border-radius: 16px 16px 0 0;
    padding: 1.5rem 1.25rem 1rem;       /* ringkas agar proporsional */
    text-align: center;
}

.login-logo {
    max-height: 60px;
    max-width: 200px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* Branding yang lebih elegan */
.brand-logo {
    filter: drop-shadow(0 4px 10px rgba(0,0,0,.15));
}
.login-brand-title {
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: .2px;
}
.login-brand-subtitle {
    opacity: .9;
    font-size: .925rem;
}

.login-card .card-body {
    padding: 1.5rem !important;
}

.form-control {
    border-radius: 12px;
    border: 2px solid #e9ecef;
    padding: 12px 14px;
    transition: all 0.25s ease;
    box-shadow: none;
}
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.18rem rgba(102, 126, 234, 0.22);
}

.btn-login {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 12px;
    padding: 12px;
    font-weight: 700;
    letter-spacing: .3px;
    transition: transform .15s ease, box-shadow .25s ease;
    width: 100%;
    box-shadow: 0 6px 18px rgba(47, 111, 237, 0.28);
}
.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.38);
}

/* Input group + toggle password lebih menyatu */
.input-group-text {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-right: none;
    border-radius: 12px 0 0 12px;
}
.input-group .form-control {
    border-left: none;
    border-radius: 0 12px 12px 0;
}
.password-toggle {
    cursor: pointer;
    padding: 0 14px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-left: none;
    border-radius: 0 12px 12px 0;
    color: #6c757d;
    display: inline-flex;
    align-items: center;
}
.password-toggle:hover {
    color: #4b5563;
}

/* Footer halus */
.login-card .card-footer {
    background: transparent;
    border-top: 1px dashed rgba(0,0,0,.08);
}

/* Responsive Design */
@media (max-width: 576px) {
    .login-card {
        margin: 1rem;
        max-width: none;
    }
    .login-header {
        padding: 1.25rem 1rem .75rem;
    }
    .login-card .card-body {
        padding: 1rem !important;
    }
}

/* Animations: card in + fade up */
@keyframes cardIn {
    from { opacity: 0; transform: translateY(10px) scale(0.985); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes borderFade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* initial states (tanpa JS: tetap terlihat, namun dengan JS akan lebih halus) */
body.login-page .login-card {
    opacity: 0;
    transform: translateY(6px) scale(0.985);
}
body.login-page.loaded .login-card {
    animation: cardIn .55s ease-out both;
}
body.login-page .animate-fadeup {
    opacity: 0;
    transform: translateY(8px);
}
body.login-page.loaded .animate-fadeup {
    animation: fadeUp .6s ease-out forwards;
}

/* urutan delay untuk efek stagger */
.delay-1 { animation-delay: .05s; }
.delay-2 { animation-delay: .12s; }
.delay-3 { animation-delay: .20s; }
.delay-4 { animation-delay: .28s; }
.delay-5 { animation-delay: .36s; }
.delay-6 { animation-delay: .44s; }

/* haluskan kemunculan border gradient pseudo-element */
body.login-page.loaded .login-card::before {
    animation: borderFade .8s ease-out both .25s;
}