:root {
    /* Palet Warna Modern 2026 */
    --primary: #4f46e5;       /* Indigo Utama */
    --primary-hover: #4338ca;
    --accent: #06b6d4;        /* Cyan */
    --success: #10b981;       /* Hijau Sukses */
    --danger: #ef4444;        /* Merah Error */
    --warning: #f59e0b;       /* Kuning Warning */
    
    --bg-body: #f8fafc;       /* Abu-abu sangat muda */
    --bg-card: #ffffff;
    --text-main: #0f172a;     /* Hitam Malam */
    --text-muted: #64748b;    /* Abu-abu teks */
    
    --radius: 16px;           /* Sudut membulat */
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

* { box-sizing: border-box; outline: none; }

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    line-height: 1.6;
}

/* Sidebar Glass */
.sidebar {
    width: 260px;
    background: var(--text-main);
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    transition: 0.3s;
    z-index: 50;
}
.sidebar .logo {
    font-size: 20px; font-weight: 800; margin-bottom: 40px;
    background: linear-gradient(to right, #818cf8, #22d3ee);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.sidebar ul { list-style: none; padding: 0; margin: 0; }
.sidebar li { margin-bottom: 5px; }
.sidebar a {
    display: flex; align-items: center; gap: 12px; padding: 12px;
    color: #94a3b8; text-decoration: none; border-radius: 12px; font-weight: 500;
    transition: 0.2s;
}
.sidebar a:hover, .sidebar a.active {
    background: rgba(255, 255, 255, 0.1); color: white; transform: translateX(5px);
}
.sidebar.active { transform: translateX(0); }

/* Main Content */
.main-content {
    margin-left: 260px; padding: 30px 40px; transition: 0.3s;
}

/* Komponen Card */
.card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid #f1f5f9;
    margin-bottom: 20px;
}

/* Button & Input */
.btn-primary {
    background: var(--primary); color: white; border: none;
    padding: 10px 20px; border-radius: 10px; font-weight: 600;
    cursor: pointer; text-decoration: none; display: inline-flex;
    align-items: center; gap: 8px; font-size: 14px; transition: 0.2s;
}
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }

.form-control {
    width: 100%; padding: 12px; border: 1px solid #e2e8f0;
    border-radius: 10px; background: #f8fafc; font-family: inherit;
}
.form-control:focus {
    background: white; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Grid Layout */
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }

/* Table */
table { width: 100%; border-collapse: separate; border-spacing: 0; }
th { text-align: left; padding: 15px; border-bottom: 2px solid #f1f5f9; color: var(--text-muted); font-size: 12px; text-transform: uppercase; }
td { padding: 15px; border-bottom: 1px solid #f1f5f9; font-size: 14px; }

/* Mobile */
.mobile-header { display: none; }
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main-content { margin-left: 0; padding: 20px; }
    .mobile-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
}