:root {
    --primary: #1a56db;
    --primary-dark: #1e429f;
    --sidebar-bg: #1e2a3a;
    --sidebar-text: #c8d6e5;
    --sidebar-active: #1a56db;
    --sidebar-hover: #2d3f55;
    --topbar-h: 60px;
    --sidebar-w: 260px;
    --sidebar-collapsed: 64px;
    --body-bg: #f0f4f8;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1a202c;
    --text-muted: #718096;
    --success: #0e9f6e;
    --warning: #c27803;
    --danger: #e02424;
    --info: #0694a2;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--body-bg); color: var(--text); font-size: 14px; }

/* ── SIDEBAR ── */
#sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; width: var(--sidebar-w);
    background: var(--sidebar-bg); display: flex; flex-direction: column;
    transition: width .25s ease; z-index: 100; overflow: hidden;
}
#sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar-logo {
    height: var(--topbar-h); display: flex; align-items: center; gap: 10px;
    padding: 0 18px; border-bottom: 1px solid rgba(255,255,255,.07);
    color: #fff; font-weight: 700; font-size: 16px; white-space: nowrap;
}
.sidebar-logo img { width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 4px; }
.nav-section { padding: 14px 18px 4px; font-size: 10px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.35);
    white-space: nowrap; overflow: hidden; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 9px 18px;
    color: var(--sidebar-text); text-decoration: none; border-radius: 0;
    transition: background .15s, color .15s; white-space: nowrap; cursor: pointer; }
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; }
.nav-item .icon { width: 20px; height: 20px; flex-shrink: 0; }
.nav-item .label { font-size: 13.5px; transition: opacity .2s; }
#sidebar.collapsed .label,
#sidebar.collapsed .nav-section,
#sidebar.collapsed .sidebar-logo span,
#sidebar.collapsed .badge-count { opacity: 0; pointer-events: none; width: 0; overflow: hidden; }
#sidebar.collapsed .nav-item { justify-content: center; padding: 9px; }
#sidebar.collapsed .nav-item .icon { margin: 0; }
.nav-item .badge-count { margin-left: auto; background: var(--danger);
    color: #fff; font-size: 10px; padding: 1px 6px; border-radius: 10px; }
.nav-sub { padding-left: 50px; }
.nav-sub .nav-item { padding: 7px 18px 7px 0; font-size: 13px; }

/* ── TOPBAR ── */
#topbar {
    position: fixed; top: 0; left: var(--sidebar-w); right: 0; height: var(--topbar-h);
    background: var(--card-bg); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 24px; gap: 16px;
    transition: left .25s ease; z-index: 99;
}
#sidebar.collapsed ~ #topbar { left: var(--sidebar-collapsed); }
#sidebar.collapsed ~ #main-content { margin-left: var(--sidebar-collapsed); }
.topbar-toggle { background: none; border: none; cursor: pointer; padding: 6px; border-radius: 6px; }
.topbar-toggle:hover { background: var(--body-bg); }
.topbar-breadcrumb { flex: 1; font-size: 13px; color: var(--text-muted); }
.topbar-breadcrumb strong { color: var(--text); }
.topbar-actions { display: flex; align-items: center; gap: 12px; position: relative; }
.topbar-btn { background: none; border: none; cursor: pointer; padding: 6px 8px;
    border-radius: 6px; color: var(--text-muted); position: relative; }
.topbar-btn:hover { background: var(--body-bg); color: var(--text); }
.topbar-btn .dot { position: absolute; top: 4px; right: 4px; width: 8px; height: 8px;
    background: var(--danger); border-radius: 50%; border: 2px solid #fff; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 13px; cursor: pointer; }

/* ── MAIN CONTENT ── */
#main-content {
    margin-left: var(--sidebar-w); margin-top: var(--topbar-h);
    padding: 24px; min-height: calc(100vh - var(--topbar-h));
    transition: margin-left .25s ease;
}

/* ── CARDS ── */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; }
.card-header h5 { font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; border-top: 1px solid var(--border); background: #fafbfc; border-radius: 0 0 10px 10px; }

/* ── STAT CARDS ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px;
    padding: 18px 20px; display: flex; align-items: center; gap: 14px; }
.stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex;
    align-items: center; justify-content: center; flex-shrink: 0; }
.stat-icon.blue   { background: #eff6ff; color: var(--primary); }
.stat-icon.green  { background: #f0fdf4; color: var(--success); }
.stat-icon.yellow { background: #fffbeb; color: var(--warning); }
.stat-icon.red    { background: #fef2f2; color: var(--danger); }
.stat-icon.purple { background: #f5f3ff; color: #7c3aed; }
.stat-value { font-size: 22px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: #f8fafc; padding: 10px 14px; text-align: left;
    font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
    color: var(--text-muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
tbody td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }

/* ── BADGES ── */
.badge { display: inline-flex; align-items: center; padding: 3px 9px;
    border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.bg-success  { background: #d1fae5; color: #065f46; }
.badge.bg-warning  { background: #fef3c7; color: #92400e; }
.badge.bg-danger   { background: #fee2e2; color: #991b1b; }
.badge.bg-info     { background: #e0f2fe; color: #0c4a6e; }
.badge.bg-secondary{ background: #f1f5f9; color: #475569; }
.badge.bg-dark     { background: #1e293b; color: #f8fafc; }
.badge.bg-primary  { background: #dbeafe; color: #1e40af; }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
    border-radius: 7px; font-size: 13.5px; font-weight: 500; cursor: pointer;
    border: 1px solid transparent; text-decoration: none; transition: all .15s; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--body-bg); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: #d97706; color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px; border-radius: 6px; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 5px; }
.form-label .req { color: var(--danger); }
.form-control { width: 100%; padding: 8px 12px; border: 1px solid var(--border);
    border-radius: 7px; font-size: 13.5px; background: #fff; transition: border .15s; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,.1); }
.form-control.is-invalid { border-color: var(--danger); }
.invalid-feedback { font-size: 12px; color: var(--danger); margin-top: 4px; }
.form-row { display: grid; gap: 16px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ── ALERTS ── */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13.5px; margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger  { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: #e0f2fe; color: #0c4a6e; border: 1px solid #bae6fd; }

/* ── PAGINATION ── */
.pagination { display: flex; gap: 4px; align-items: center; }
.page-btn { padding: 6px 11px; border: 1px solid var(--border); border-radius: 6px;
    background: #fff; cursor: pointer; font-size: 13px; text-decoration: none; color: var(--text); }
.page-btn:hover { background: var(--body-bg); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn.disabled { opacity: .4; pointer-events: none; }

/* ── MODAL ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 200;
    display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.hidden { display: none; }
.modal { background: #fff; border-radius: 12px; width: 100%; max-width: 640px;
    max-height: 90vh; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.modal-lg { max-width: 900px; }
.modal-header { padding: 18px 22px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; }
.modal-header h5 { font-size: 16px; font-weight: 600; }
.modal-body { padding: 22px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; gap: 10px; }
.modal-close { background: none; border: none; cursor: pointer; padding: 4px;
    color: var(--text-muted); border-radius: 4px; }
.modal-close:hover { background: var(--body-bg); color: var(--text); }

/* ── MISC ── */
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-600 { font-weight: 600; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.d-flex { display: flex; } .align-center { align-items: center; } .justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: .4; }
.spinner { width: 20px; height: 20px; border: 2px solid var(--border);
    border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 3px; transition: width .3s; }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.section-label { font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:12px; }
.tooltip-wrap { position: relative; }
.tooltip-wrap:hover .tooltip-text { display: block; }
.tooltip-text { display: none; position: absolute; bottom: 110%; left: 50%; transform: translateX(-50%);
    background: #1e293b; color: #fff; padding: 5px 10px; border-radius: 5px;
    font-size: 12px; white-space: nowrap; z-index: 300; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    #sidebar { width: var(--sidebar-collapsed); }
    #sidebar .label, #sidebar .nav-section, #sidebar .sidebar-logo span { display: none; }
    #topbar { left: var(--sidebar-collapsed); }
    #main-content { margin-left: var(--sidebar-collapsed); }
    .form-row.cols-2, .form-row.cols-3, .form-row.cols-4 { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}