:root {
    --bg-main: #F4F7F6;
    --card-bg: #FFFFFF;
    --text-dark: #2C3E50;
    --text-muted: #7F8C8D;
    --primary: #4C97FF;
    --success: #2ECC71;
    --danger: #FF4D4D;
    --warning: #FFBF00;
    --purple: #9966FF;
}

* { box-sizing: border-box; font-family: 'Segoe UI', sans-serif; }
body { margin: 0; background-color: var(--bg-main); overflow: hidden; }

.app-wrapper { display: flex; height: 100vh; width: 100vw; }

.sidebar {
    width: 240px;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    border-right: 1px solid #e2e8f0;
    transition: width 0.3s ease;
    z-index: 100;
}

.sidebar.collapsed { width: 80px; }
.sidebar.collapsed .logo-text, .sidebar.collapsed .lbl { display: none; }

.sidebar-header {
    height: 70px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-menu { flex: 1; padding: 20px 10px; display: flex; flex-direction: column; gap: 8px; }

.nav-item {
    display: flex; align-items: center; gap: 15px; padding: 12px 15px;
    border: none; background: transparent; border-radius: 12px;
    cursor: pointer; color: var(--text-muted); font-weight: bold; transition: 0.2s;
}

.nav-item.active { background: #f0f6ff; color: var(--primary); }
.nav-item .icon { font-size: 20px; min-width: 30px; }

/* ENRICHMENT: Penambahan padding-bottom 120px untuk fix scroll mentok di layar bawah */
.main-content { flex: 1; overflow-y: auto; padding: 30px; padding-bottom: 120px; background: var(--bg-main); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.card {
    background: var(--card-bg); padding: 25px; border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.04); border-top: 6px solid var(--primary);
    margin-bottom: 20px;
}

.btn {
    border: none; padding: 12px 20px; border-radius: 12px; font-weight: bold;
    cursor: pointer; transition: 0.2s; text-transform: uppercase;
}
.btn-primary { background: var(--primary); color: white; }
.btn-danger { background: var(--danger); color: white; }

/* =========================================================
   ENRICHMENT CSS (Penambahan Class Baru Sesuai UI v7.0)
========================================================= */

/* Warna tombol tambahan untuk Assignment & Local Control */
.btn-success { background: var(--success); color: white; }
.btn-warning { background: var(--warning); color: var(--text-dark); }

/* Ruang ekstra khusus di bawah kontainer kartu individual */
#individual-cards-container {
    padding-bottom: 50px;
}