/* Pengaturan transisi warna global saat ganti tema */
body,
header,
footer,
.glass-card,
.logo-text,
.sub-logo-text,
.main-title,
.span-title,
.desc-text,
.card-desc,
#theme-toggle,
a {
    transition: background-color 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* ==========================================================
   TEMA DARK (Default Premium)
   ========================================================== */
body {
    background: radial-gradient(circle at top center, #1e293b 0%, #0f172a 100%);
    color: #f1f5f9;
}

.logo-text { color: #ffffff; }
.sub-logo-text { color: #94a3b8; }
.main-title { color: #ffffff; }
.span-title { color: #ffffff; }
.desc-text { color: #94a3b8; }
.card-desc { color: #94a3b8; }
header { border-color: rgba(30, 41, 59, 0.6); }
footer { border-color: rgba(15, 23, 42, 0.6); color: #64748b; }

.glass-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

.glass-card h3 {
    color: #ffffff;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 25px 50px -12px rgba(30, 58, 138, 0.5);
}

/* ==========================================================
   PENGATURAN BUTTON - DARK MODE (DEFAULT)
   ========================================================== */
.btn-app {
    background: rgba(30, 41, 59, 0.4);
    color: #f1f5f9;
    transform: translateY(0);
}

/* Hover masing-masing aplikasi di Mode Gelap */
.btn-app.btn-emerald { border: 1px solid rgba(16, 185, 129, 0.3); }
.btn-app.btn-emerald:hover { 
    background: #10b981; 
    border-color: #10b981;
    color: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(16, 185, 129, 0.4);
    transform: translateY(-3px);
}

.btn-app.btn-amber { border: 1px solid rgba(245, 158, 11, 0.3); }
.btn-app.btn-amber:hover { 
    background: #f59e0b; 
    border-color: #f59e0b;
    color: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(245, 158, 11, 0.4);
    transform: translateY(-3px);
}

.btn-app.btn-blue { border: 1px solid rgba(59, 130, 246, 0.3); }
.btn-app.btn-blue:hover { 
    background: #3b82f6; 
    border-color: #3b82f6;
    color: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(59, 130, 246, 0.4);
    transform: translateY(-3px);
}

.btn-app.btn-purple { border: 1px solid rgba(168, 85, 247, 0.3); }
.btn-app.btn-purple:hover { 
    background: #a855f7; 
    border-color: #a855f7;
    color: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(168, 85, 247, 0.4);
    transform: translateY(-3px);
}

.btn-app.btn-rose { border: 1px solid rgba(244, 63, 94, 0.3); }
.btn-app.btn-rose:hover { 
    background: #f43f5e; 
    border-color: #f43f5e;
    color: #ffffff;
    box-shadow: 0 10px 20px -5px rgba(244, 63, 94, 0.4);
    transform: translateY(-3px);
}


/* ==========================================================
   TEMA LIGHT (Elemen Utama & Tata Letak)
   ========================================================== */
body.light-theme {
    background: radial-gradient(circle at top center, #f8fafc 0%, #e2e8f0 100%);
    color: #334155;
}

body.light-theme .logo-text {
    color: #1e3a8a; /* Teks NEW SAMSAT berubah biru gelap */
}

body.light-theme .sub-logo-text {
    color: #64748b;
}

body.light-theme #theme-toggle {
    background-color: #ffffff;
    border-color: #cbd5e1;
    color: #d97706; /* Ikon matahari jadi jingga/amber */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

body.light-theme .main-title {
    color: #0f172a;
}

body.light-theme .span-title {
    color: #1d4ed8;
    text-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
}

body.light-theme .desc-text {
    color: #475569;
}

body.light-theme .system-badge {
    background-color: rgba(59, 130, 246, 0.11);
    color: #1d4ed8;
    border-color: rgba(59, 130, 246, 0.25);
}

body.light-theme header,
body.light-theme footer {
    border-color: #cbd5e1;
}

body.light-theme footer {
    color: #64748b;
}

body.light-theme .glass-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(59, 130, 246, 0.08);
    box-shadow:
        0 8px 20px rgba(15, 23, 42, 0.05),
        0 2px 6px rgba(15, 23, 42, 0.03);
}

body.light-theme .glass-card h3 {
    color: #1e293b;
}

body.light-theme .glass-card .card-desc {
    color: #475569;
}

body.light-theme .glass-card:hover {
    background: #ffffff;
    box-shadow:
        0 20px 40px rgba(37, 99, 235, 0.12),
        0 8px 16px rgba(15, 23, 42, 0.08);
}


/* ==========================================================
   PENGATURAN BUTTON - LIGHT MODE (TEMA TERANG)
   ========================================================== */
body.light-theme .btn-emerald {
    background: #d1fae5;
    border: 1px solid #10b981;
    color: #047857;
}
body.light-theme .btn-emerald:hover {
    background: #10b981;
    color: white;
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.2);
    transform: translateY(-3px);
}

body.light-theme .btn-amber {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    color: #b45309;
}
body.light-theme .btn-amber:hover {
    background: #f59e0b;
    color: white;
    box-shadow: 0 8px 16px rgba(245, 158, 11, 0.2);
    transform: translateY(-3px);
}

body.light-theme .btn-blue {
    background: #dbeafe;
    border: 1px solid #3b82f6;
    color: #1d4ed8;
}
body.light-theme .btn-blue:hover {
    background: #2563eb;
    color: white;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.2);
    transform: translateY(-3px);
}

body.light-theme .btn-purple {
    background: #f3e8ff;
    border: 1px solid #a855f7;
    color: #7e22ce;
}
body.light-theme .btn-purple:hover {
    background: #9333ea;
    color: white;
    box-shadow: 0 8px 16px rgba(168, 85, 247, 0.2);
    transform: translateY(-3px);
}

body.light-theme .btn-rose {
    background: #ffe4e6;
    border: 1px solid #f43f5e;
    color: #be123c;
}
body.light-theme .btn-rose:hover {
    background: #e11d48;
    color: white;
    box-shadow: 0 8px 16px rgba(244, 63, 94, 0.2);
    transform: translateY(-3px);
}

/* ==========================================================
   ANIMASI LOGO
   ========================================================== */
@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.9;
        box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
    }
}

.animate-logo-glow {
    animation: pulse-glow 3s infinite ease-in-out;
}