:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e4e9;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1d2026;
    --text: #f0f1f3;
    --muted: #9aa0ab;
    --border: #2c303a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 380px;
}

.card h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.card p.sub {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 14px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 16px 0 6px;
}

input, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
}

button.primary {
  background: var(--accent);
  color: #fff;
  width: 100%;
  margin-top: 20px;
}
button.primary:hover { background: var(--accent-hover); }
button.primary:disabled { opacity: .6; cursor: not-allowed; }

button.link {
  background: none;
  color: var(--accent);
  padding: 4px 0;
  font-weight: 500;
}

button.danger { background: var(--danger); color: #fff; }
button.danger:hover { background: var(--danger-hover); }

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.msg {
  font-size: 13px;
  margin-top: 12px;
  padding: 8px 10px;
  border-radius: 6px;
}
.msg.error { background: rgba(220,38,38,.1); color: var(--danger); }
.msg.success { background: rgba(22,163,74,.1); color: var(--success); }
.msg[hidden] { display: none; }

/* dashboard layout */
.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.app.app-wide { max-width: 1180px; }

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

.sidebar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 20px;
}

.sidebar-label {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  text-align: left;
  color: var(--text);
  font-weight: 600;
}
.nav-btn:hover { background: var(--bg); }
.nav-btn.active { background: rgba(37,99,235,.1); border-color: rgba(37,99,235,.25); }
.nav-icon { font-size: 16px; }
.nav-title { display: block; font-size: 13px; }
.nav-sub { display: block; font-size: 11px; font-weight: 400; color: var(--muted); }

.content { min-width: 0; }

.tab-view[hidden] { display: none; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.section-sub { color: var(--muted); font-size: 13px; margin: 4px 0 0; }

.feed { display: flex; flex-direction: column; gap: 10px; max-height: 600px; overflow-y: auto; }

.feed-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
}
.feed-item .feed-top { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.feed-item .feed-author { font-weight: 700; }
.feed-item .feed-time { color: var(--muted); font-size: 12px; white-space: nowrap; }
.feed-item .feed-job { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.feed-item .feed-text { color: var(--text); }

.slicer-bar {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
  align-items: end;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin: 16px 0;
}
.slicer-bar label { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }

.slicer-group {
  display: flex;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
  overflow-x: auto;
}
.slicer-btn {
  flex: 1;
  white-space: nowrap;
  background: transparent;
  border: none;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  border-radius: 6px;
}
.slicer-btn.active { background: rgba(37,99,235,.12); color: var(--accent); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 16px 0;
}
.stat-tile {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-tile-accent { border-left: 3px solid var(--accent); }
.stat-label { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.stat-value { display: block; font-size: 26px; font-weight: 800; margin-top: 6px; }
.stat-value-sm { font-size: 15px; }

.chart-wrap { height: 320px; margin-top: 8px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; overflow-x: auto; }
  .nav-btn { flex-direction: column; text-align: center; min-width: 110px; }
  .slicer-bar { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

.app header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.app header h1 { font-size: 22px; margin: 0; }
.app header .who { color: var(--muted); font-size: 13px; }

.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.section h2 { font-size: 16px; margin: 0 0 16px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 140px auto;
  gap: 12px;
  align-items: end;
}
.form-row label { margin: 0 0 6px; }
.form-row > div { display: flex; flex-direction: column; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.admin { background: rgba(37,99,235,.12); color: var(--accent); }
.badge.staff { background: rgba(107,114,128,.15); color: var(--muted); }
.badge.job { background: rgba(107,114,128,.15); color: var(--text); }
.badge.inactive { background: rgba(220,38,38,.12); color: var(--danger); }

.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions button { padding: 6px 10px; font-size: 12px; }

.role-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 10px;
}

.role-checkboxes label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 400;
  margin: 0;
}

.role-checkboxes input[type="checkbox"] {
  width: auto;
}

dialog {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: var(--card);
  color: var(--text);
  max-width: 420px;
  width: 90%;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.role-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr { border-bottom: 1px solid var(--border); padding: 10px 0; }
  td { border: none; padding: 4px 0; }
  td::before { content: attr(data-label); font-weight: 600; display: block; font-size: 11px; color: var(--muted); }
}