/* =========================================
   1. RESET & VARIABLES
   ========================================= */
:root {
    --primary: #4e73df;       /* Biru Utama */
    --primary-dark: #224abe;  /* Biru Gelap (Hover) */
    --secondary: #858796;     /* Abu-abu text */
    --accent: #6f42c1;        /* Ungu */
    --success: #1cc88a;       /* Hijau (Export/Save) */
    --danger: #e74a3b;        /* Merah (Delete/Cancel) */
    --warning: #f6c23e;       /* Kuning (Alert) */
    --bg-light: #f3f4f6;      /* Background Halaman */
    --white: #ffffff;
    --text-dark: #2d3748;
    --text-muted: #718096;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    padding-bottom: 50px; /* Space bawah agar tidak mentok */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Link Styling Reset */
a { text-decoration: none; color: inherit; }

/* =========================================
   2. HEADER & TYPOGRAPHY
   ========================================= */
.header {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 4px solid var(--primary);
}

.header h1 {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.header p {
    color: var(--text-muted);
}

h2, h3, h4 { color: var(--text-dark); margin-bottom: 15px; }

/* =========================================
   3. DASHBOARD CARDS (PUBLIC VIEW)
   ========================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary);
    transition: transform 0.2s ease;
    margin-bottom: 20px; /* Jarak antar card jika ditumpuk */
}

/* Card Hover Effect hanya untuk dashboard statistik */
.stats-grid .card:hover { transform: translateY(-5px); }

/* Warna Border Card */
.card.purple { border-left-color: var(--accent); }
.card.green { border-left-color: var(--success); }
.card.red { border-left-color: var(--danger); }

.card h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.card .number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* =========================================
   4. CHARTS SECTION
   ========================================= */
.charts-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.chart-box {
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    position: relative;
    height: 350px; 
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.chart-box h3 { text-align: center; font-size: 1rem; }

/* =========================================
   5. TABLES (ADMIN & PUBLIC)
   ========================================= */
.table-responsive {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #edf2f7;
}

th {
    background-color: var(--primary);
    color: var(--white);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

tr:hover { background-color: #f7fafc; }

/* =========================================
   6. FORMS & INPUTS (ADMIN PANEL)
   ========================================= */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d1d3e2;
    border-radius: 6px;
    font-size: 1rem;
    color: #6e707e;
    background-color: #fff;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(78, 115, 223, 0.1);
}

textarea.form-control { resize: vertical; }

/* Form Grouping (Kotak Abu-abu di halaman Edit/Tambah) */
.form-section {
    background: #f8f9fc;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e3e6f0;
    margin-bottom: 25px;
}

.form-section h4 {
    margin-top: 0;
    color: var(--primary);
    border-bottom: 2px solid #e3e6f0;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* Grid System untuk Form (Row & Col) */
.row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.col {
    flex: 1;
    min-width: 250px; /* Agar responsif di HP turun ke bawah */
}

/* =========================================
   7. BUTTONS (ADMIN ACTIONS)
   ========================================= */
.btn {
    display: inline-block;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 10px 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 6px rgba(0,0,0,0.1); }

.btn-primary {
    color: #fff;
    background-color: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover { background-color: var(--primary-dark); }

.btn-success {
    color: #fff;
    background-color: var(--success);
    border-color: var(--success);
}
.btn-success:hover { background-color: #169b6b; }

.btn-danger {
    color: #fff;
    background-color: var(--danger);
    border-color: var(--danger);
}
.btn-danger:hover { background-color: #c0392b; }

.btn-block { display: block; width: 100%; }

/* =========================================
   8. EXPORT BOX (ADMIN DASHBOARD)
   ========================================= */
.export-box {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--success); /* Garis Hijau Kiri */
    margin-bottom: 30px;
}

.export-box h3 {
    margin-top: 0;
    color: var(--success);
    font-size: 1.2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.export-options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-end;
}

/* Responsive Helper */
@media (max-width: 768px) {
    .row { flex-direction: column; }
    .export-options { flex-direction: column; align-items: stretch; }
    .header h1 { font-size: 1.5rem; }
}