sistem_rekomendasi/public/css/admin.css

/* ================================
   THEME SMAN 4 JEMBER - MODERN DASHBOARD
================================ */

:root {
    --primary-green: #2D7A47; /* Hijau SMAN 4 */
    --dark-green: #1B4D2E;
    --accent-yellow: #FFD700; /* Kuning Emas Logo */
    --bg-light: #f8fafc;
    --white: #ffffff;
    --sidebar-width: 260px;
}

body {
    background-color: var(--bg-light);
    font-family: 'Figtree', sans-serif;
    margin: 0;
    overflow-x: hidden;
}

/* Layout Container */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* --- PERBAIKAN SIDEBAR --- */
.sidebar-modern {
    width: var(--sidebar-width);
    background-color: var(--primary-green);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh; /* Mengunci tinggi sidebar sesuai tinggi layar */
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0; /* Header tidak akan mengecil saat di-scroll */
}

.sidebar-header img {
    width: 60px;
    margin-bottom: 10px;
}

/* Area Menu dengan Fitur Scroll */
.sidebar-menu {
    padding: 20px 15px;
    flex-grow: 1;
    overflow-y: auto; /* Mengaktifkan scroll vertikal */
    scrollbar-width: thin; /* Untuk Firefox */
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}

/* Custom Scrollbar untuk Chrome/Edge/Safari */
.sidebar-menu::-webkit-scrollbar {
    width: 6px;
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background-color: rgba(255,255,255,0.2);
    border-radius: 10px;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}

.menu-label {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    color: rgba(255,255,255,0.5);
    margin: 20px 0 10px 10px;
    letter-spacing: 1px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--white);
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-item i {
    width: 25px;
    font-size: 18px;
    margin-right: 10px;
}

.nav-item:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--accent-yellow);
}

.nav-item.active {
    background-color: var(--white);
    color: var(--primary-green);
    font-weight: 700;
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Mencegah overflow pada elemen flex */
}

/* Topbar */
.topbar {
    height: 70px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 999;
}

.search-bar {
    background: #f1f5f9;
    border-radius: 10px;
    padding: 8px 15px;
    width: 350px;
    display: flex;
    align-items: center;
}

.search-bar input {
    border: none;
    background: transparent;
    margin-left: 10px;
    outline: none;
    width: 100%;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    padding: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid #f1f5f9;
}

.stat-info h3 {
    margin: 0;
    font-size: 28px;
    font-weight: 800;
    color: #1e293b;
}

.stat-info p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
    font-weight: 600;
}

.stat-icon {
    width: 55px;
    height: 55px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.icon-siswa { background: #eef2ff; color: #4f46e5; }
.icon-rekom { background: #ecfdf5; color: var(--primary-green); }
.icon-akurasi { background: #faf5ff; color: #9333ea; }

/* Dashboard Section */
.dashboard-section {
    padding: 0 30px 30px 30px;
}

.chart-container {
    background: var(--white);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid #f1f5f9;
    min-height: 400px;
}