@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f8fafc;
  --bg2: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --border2: #cbd5e1;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --sidebar-bg: #0f172a;
  --sidebar-hover: rgba(255,255,255,.08);
  --sidebar-active: rgba(37,99,235,.2);
  --sidebar-text: rgba(255,255,255,.7);
  --sidebar-active-text: #fff;
  --text: #0f172a;
  --text2: #475569;
  --text3: #94a3b8;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}

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

/* Sidebar */
.sidebar { width: 220px; background: var(--sidebar-bg); min-height: 100vh; position: fixed; top: 0; left: 0; z-index: 100; display: flex; flex-direction: column; }
.sb-logo { padding: 20px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sb-logo-text { font-size: 14px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 8px; }
.sb-logo-text .dot { color: #60a5fa; }
.sb-logo-sub { font-size: 10px; color: var(--text3); margin-top: 2px; font-weight: 500; }
.sb-nav { padding: 8px 0; flex: 1; overflow-y: auto; }
.sb-section { padding: 12px 16px 4px; font-size: 10px; font-weight: 700; color: rgba(255,255,255,.3); text-transform: uppercase; letter-spacing: 1px; }
.sb-link { display: flex; align-items: center; gap: 10px; padding: 9px 16px; font-size: 13px; font-weight: 500; color: var(--sidebar-text); text-decoration: none; transition: .15s; margin: 1px 8px; border-radius: 7px; }
.sb-link:hover { background: var(--sidebar-hover); color: #fff; }
.sb-link.active { background: var(--sidebar-active); color: var(--sidebar-active-text); }
.sb-link i { width: 16px; text-align: center; font-size: 13px; opacity: .8; }
.sb-link.active i { opacity: 1; color: #93c5fd; }
.sb-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.07); font-size: 11px; color: rgba(255,255,255,.3); }
.sb-footer a { color: rgba(255,255,255,.35); text-decoration: none; }

/* Layout */
.main { margin-left: 220px; min-height: 100vh; }
.topbar { background: #fff; border-bottom: 1px solid var(--border); padding: 0 20px; height: 54px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow); }
.topbar-title { font-size: 15px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.topbar-title i { color: var(--primary); }
.page-content { padding: 20px; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-header h3 { font-size: 14px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 7px; }
.card-header h3 i { color: var(--primary); }
.card-body { padding: 18px; }
.card + .card { margin-top: 14px; }

/* Stats */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; border-left: 3px solid var(--primary); }
.stat-card h3 { font-size: 26px; font-weight: 800; color: var(--text); margin: 0 0 2px; }
.stat-card p { font-size: 12px; font-weight: 600; color: var(--text3); text-transform: uppercase; letter-spacing: .4px; margin: 0; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead th { background: var(--bg2); padding: 10px 14px; font-size: 11px; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: .4px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table tbody td { padding: 11px 14px; font-size: 13px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text); }
.data-table tbody tr:hover td { background: var(--bg2); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm); font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: .15s; text-decoration: none; white-space: nowrap; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-outline { background: #fff; color: var(--text2); border: 1px solid var(--border2); }
.btn-outline:hover { background: var(--bg2); color: var(--text); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-warning-soft { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }
.btn-danger-soft { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.btn-success-soft { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; }

/* Form */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .3px; }
.form-control { width: 100%; background: #fff; border: 1px solid var(--border2); border-radius: var(--radius-sm); color: var(--text); font-family: inherit; font-size: 13px; padding: 8px 12px; outline: none; transition: .15s; -webkit-appearance: none; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.form-control::placeholder { color: var(--text3); }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 8px; border-radius: 100px; font-size: 11px; font-weight: 600; }
.badge-success { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.badge-danger  { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.badge-warning { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }
.badge-primary { background: var(--primary-light); color: var(--primary); border: 1px solid #bfdbfe; }
.badge-gray    { background: var(--bg2); color: var(--text3); border: 1px solid var(--border); }

/* Toggle */
.toggle-switch { display: inline-flex; align-items: center; gap: 10px; padding: 9px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: .15s; }
.toggle-on  { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.toggle-on:hover  { background: #dcfce7; }
.toggle-off { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.toggle-off:hover { background: #fee2e2; }

/* Alert */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.alert-hidden { display: none !important; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.alert-danger  { background: var(--danger-light);  color: var(--danger);  border: 1px solid #fecaca; }
.alert-info    { background: var(--primary-light); color: var(--primary); border: 1px solid #bfdbfe; }
.alert-warning { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }

/* Modal overrides */
.modal-content { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 20px 60px rgba(0,0,0,.15); }
.modal-header { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 14px 18px; }
.modal-title { font-size: 15px; font-weight: 700; color: var(--text); }
.modal-body { padding: 18px; }
.modal-footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 12px 18px; }

/* Upload zone */
.upload-zone { border: 2px dashed var(--border2); border-radius: var(--radius); padding: 32px; text-align: center; cursor: pointer; transition: .15s; background: var(--bg2); }
.upload-zone:hover { border-color: var(--primary); background: var(--primary-light); }

/* CSV box */
.csv-box { background: #0f172a; color: #86efac; border-radius: var(--radius-sm); padding: 14px; font-family: monospace; font-size: 12px; white-space: pre; overflow-x: auto; line-height: 1.7; }

code { background: var(--bg2); color: var(--primary); padding: 2px 6px; border-radius: 4px; font-size: 12px; font-family: monospace; }

/* Pagination */
.pagination .page-link { background: #fff; border: 1px solid var(--border); color: var(--text2); font-size: 13px; padding: 6px 12px; }
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Powered by */
.powered { font-size: 11px; color: var(--text3); }
.powered a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Hamburger button */
.sb-hamburger { display: none; width: 36px; height: 36px; border: 1px solid var(--border2); border-radius: var(--radius-sm); background: #fff; cursor: pointer; align-items: center; justify-content: center; flex-shrink: 0; }
.sb-hamburger:hover { background: var(--bg2); }

/* Sidebar overlay (mobile) */
.sb-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 99; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .main { margin-left: 0; }
  .sb-hamburger { display: flex; }
  body.sb-open .sidebar { transform: translateX(0); }
  body.sb-open .sb-overlay { display: block; }
}

/* ── Page loading bar ──────────────────────────────────────── */
#page-loader { position:fixed;top:0;left:0;height:3px;width:0%;z-index:99999;background:linear-gradient(90deg,#2563eb,#60a5fa,#2563eb);background-size:200% 100%;animation:loaderShimmer 1.2s linear infinite;transition:width .35s ease,opacity .5s ease;pointer-events:none; }
#page-loader.done { width:100%;opacity:0;transition:width .1s,opacity .5s .2s; }
@keyframes loaderShimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ── Global confirm modal ──────────────────────────────────── */
.confirm-overlay { display:none;position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:10000;align-items:center;justify-content:center;padding:20px; }
.confirm-overlay.open { display:flex; }
.confirm-box { background:#fff;border-radius:14px;padding:28px 24px 20px;max-width:360px;width:100%;box-shadow:0 24px 64px rgba(0,0,0,.22);text-align:center;animation:confirmPop .18s ease; }
@keyframes confirmPop { from{transform:scale(.92);opacity:0} to{transform:scale(1);opacity:1} }
.confirm-icon { width:52px;height:52px;border-radius:50%;background:var(--danger-light);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:22px;color:var(--danger); }
.confirm-icon.warn { background:var(--warning-light);color:var(--warning); }
.confirm-icon.info { background:var(--primary-light);color:var(--primary); }
.confirm-title { font-size:16px;font-weight:800;color:var(--text);margin-bottom:6px; }
.confirm-msg { font-size:13px;color:var(--text2);margin-bottom:20px;line-height:1.5; }
.confirm-btns { display:flex;gap:8px;justify-content:center; }

/* ── Sidebar badges ────────────────────────────────────────── */
.sb-badge { margin-left:auto;background:#ef4444;color:#fff;border-radius:100px;font-size:10px;font-weight:700;padding:1px 7px;min-width:18px;text-align:center;line-height:16px; }
.sb-badge.blue { background:#2563eb; }
.sb-badge.green { background:#16a34a; }

/* ── Global topbar search ──────────────────────────────────── */
.topbar-search-wrap { position:relative;display:flex;align-items:center; }
.topbar-search-icon { position:absolute;left:10px;color:var(--text3);font-size:12px;pointer-events:none; }
.topbar-search { border:1px solid var(--border2);border-radius:var(--radius-sm);padding:6px 12px 6px 30px;font-size:13px;font-family:inherit;color:var(--text);background:var(--bg);outline:none;width:180px;transition:width .2s,border-color .15s,box-shadow .15s; }
.topbar-search:focus { border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1);width:240px; }
.topbar-search::placeholder { color:var(--text3); }
.topbar-search-results { position:absolute;top:calc(100% + 6px);right:0;width:300px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:300;display:none;max-height:280px;overflow-y:auto; }
.topbar-search-results.open { display:block; }
.tsr-item { padding:10px 14px;display:flex;align-items:center;gap:10px;cursor:pointer;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text);transition:.1s; }
.tsr-item:last-child { border-bottom:none; }
.tsr-item:hover { background:var(--bg2); }
.tsr-avatar { width:30px;height:30px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0; }
.tsr-name { font-size:13px;font-weight:600;color:var(--text); }
.tsr-reg  { font-size:11px;color:var(--text3);font-family:monospace; }
@media(max-width:600px){ .topbar-search-wrap { display:none; } }

/* ── Bulk action bar ───────────────────────────────────────── */
.bulk-bar { display:none;position:sticky;bottom:16px;left:50%;transform:translateX(-50%);background:var(--text);color:#fff;padding:10px 16px;align-items:center;gap:10px;z-index:60;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.25);white-space:nowrap;width:fit-content;margin:12px auto 0; }
.bulk-bar.visible { display:flex; }
.bulk-count { font-size:13px;font-weight:700;color:#fff;margin-right:4px; }
.bulk-sep { width:1px;height:20px;background:rgba(255,255,255,.2); }

/* ── Dashboard alerts ──────────────────────────────────────── */
.dash-alert { display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;margin-bottom:10px; }
.dash-alert-danger  { background:#fef2f2;color:#dc2626;border:1px solid #fecaca; }
.dash-alert-warning { background:#fffbeb;color:#d97706;border:1px solid #fde68a; }
.dash-alert-info    { background:#eff6ff;color:#2563eb;border:1px solid #bfdbfe; }

/* ── Row checkbox ──────────────────────────────────────────── */
.row-check { width:16px;height:16px;cursor:pointer;accent-color:var(--primary); }