:root {
    --bg-app: #07090d;
    --bg-side: #0b0e14;
    --accent: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --text-main: #ffffff;
    --text-dim: #94a3b8;
    --danger: #ff4757;
    --success: #2ed573;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body.dark-mode {
    background-color: var(--bg-app);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

/* --- LOGIN WRAPPER (PUSAT TENGAH) --- */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    background: radial-gradient(circle at center, #111827 0%, #07090d 100%);
}

.auth-card {
    background: var(--bg-side);
    padding: 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    text-align: center;
}

.auth-card .logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.auth-tabs {
    display: flex;
    background: rgba(0,0,0,0.2);
    padding: 5px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    cursor: pointer;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dim);
    transition: 0.3s;
}

.auth-tab.active {
    background: var(--accent);
    color: #000;
}

.form-group {
    text-align: left;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 8px;
    font-weight: 700;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: white;
    outline: none;
    transition: 0.3s;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.btn-main {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    border: none;
    border-radius: 12px;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

/* --- DASHBOARD LAYOUT --- */
.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--bg-side);
    border-right: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
}

.sidebar-header { padding: 30px; }
.sidebar-nav { flex: 1; padding: 0 20px; }
.sidebar-nav ul { list-style: none; }
.sidebar-nav li {
    padding: 14px 20px;
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: 0.3s;
}

.sidebar-nav li.active, .sidebar-nav li:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
}

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 40px;
}

/* --- DASHBOARD COMPONENTS --- */
.card {
    background: var(--bg-side);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 25px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-side);
    padding: 25px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: 0.3s;
}

.stat-card:hover { transform: translateY(-5px); border-color: var(--accent); }

.stat-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card .icon.blue { background: rgba(0, 212, 255, 0.1); color: var(--accent); }
.stat-card .icon.green { background: rgba(46, 213, 115, 0.1); color: var(--success); }
.stat-card .icon.purple { background: rgba(162, 155, 254, 0.1); color: #a29bfe; }
.stat-card .icon.orange { background: rgba(255, 159, 67, 0.1); color: #ff9f43; }

.stat-card h3 { font-size: 28px; font-weight: 800; }
.stat-card p { color: var(--text-dim); font-size: 14px; }

/* --- FORMS & TABLES --- */
.vertical-form {
    max-width: 600px;
    margin: 0 auto; /* Menengahkan form */
}

.gen-container {
    text-align: center; /* Menengahkan judul dan subtitle */
}

.gen-container .vertical-form {
    text-align: left; /* Isi form tetap rata kiri agar rapi */
}

.subtitle { color: var(--text-dim); margin-bottom: 30px; font-size: 14px; }

.form-grid-small { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

select, input[type="text"], input[type="number"], input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: white;
    outline: none;
    margin-top: 5px;
}

/* Perbaikan Radio Button agar Rapi & Premium */
.radio-group {
    display: flex;
    gap: 30px;
    margin-top: 15px;
    background: rgba(0,0,0,0.2);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.05);
}

.radio-group label {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    transition: 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--accent); /* Warna biru di lingkaran radio */
}

.radio-group label:hover {
    color: var(--accent);
}

.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th { text-align: left; padding: 15px; color: var(--accent); border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 13px; text-transform: uppercase; }
td { padding: 15px; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 14px; }

code { background: rgba(0,0,0,0.3); padding: 4px 8px; border-radius: 6px; color: var(--accent); }

.badge { padding: 5px 12px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.bg-primary { background: var(--accent); color: #000; }
.bg-secondary { background: #4b5563; color: #fff; }

.status-active { color: var(--success); font-weight: bold; }
.status-expired { color: var(--danger); font-weight: bold; }

.action-btn {
    background: rgba(255,255,255,0.05);
    border: none;
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}
.action-btn:hover { background: var(--accent); color: #000; }

/* --- ANIMATIONS --- */
.animate-fadeIn { animation: fadeIn 0.5s ease-out; }
.animate-pop { animation: pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pop { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* --- MODAL --- */
.modal-overlay {
    position: fixed; top:0; left:0; right:0; bottom:0;
    background: rgba(0,0,0,0.8);
    display: none; align-items: center; justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-side);
    padding: 30px;
    border-radius: 20px;
    width: 100%;
    max-width: 450px;
    text-align: center;
    border: 1px solid var(--accent);
}