:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #181818;
  --border: #242424;
  --border2: #303030;
  --text: #e8e8e8;
  --muted: #777;
  --muted2: #4b4b4b;
  --gold: #d6a63a;
  --purple: #9b7de8;
  --purple-dim: rgba(155, 125, 232, 0.12);
  --green: #5ce09a;
  --red: #e05c5c;
  --orange: #e09a5c;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "DM Mono", monospace;
  --sans: "DM Sans", Arial, sans-serif;
  --sidebar: 220px;
  --radius: 8px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.shell { min-height: 100vh; display: flex; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.brand {
  padding: 22px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  border: 1px solid rgba(155, 125, 232, 0.45);
  background: var(--purple-dim);
  display: grid;
  place-items: center;
  color: var(--purple);
}
.brand-name { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name strong { font-family: var(--serif); font-size: 16px; color: var(--purple); font-weight: 400; }
.brand-name span { font-family: var(--mono); font-size: 9px; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.brand-home {
  margin-left: auto;
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--muted);
  padding: 5px 7px;
  font: 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.brand-home:hover { color: var(--text); border-color: rgba(255,255,255,.18); }
.nav { padding: 12px 0; overflow-y: auto; flex: 1; }
.nav-label {
  padding: 12px 20px 5px;
  font: 9px var(--mono);
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: .14em;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--muted);
  border-left: 2px solid transparent;
  font-size: 13px;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.03); }
.nav-item.active { color: var(--purple); border-left-color: var(--purple); background: var(--purple-dim); }
.nav-icon { width: 17px; height: 17px; display: inline-grid; place-items: center; }
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 10px;
}
.user-meta { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.user-block { display: grid; gap: 2px; min-width: 0; }
.footer-link {
  display: block;
  width: 100%;
  text-align: left;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 10px;
  background: rgba(255,255,255,.02);
  font: 11px var(--mono);
}
.footer-link:hover { color: var(--text); border-color: var(--border2); }
.footer-button { cursor: pointer; }
.main { margin-left: var(--sidebar); min-height: 100vh; flex: 1; display: flex; flex-direction: column; }
.topbar {
  height: 56px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 20;
}
.crumbs { display: flex; gap: 7px; align-items: center; font: 11px var(--mono); color: var(--muted); }
.crumbs .current { color: var(--text); }
.content { padding: 30px 32px 42px; }
.page-header { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 22px; }
.page-title { margin: 0; font: 400 30px/1.1 var(--serif); }
.page-title span { color: var(--purple); font-style: italic; }
.page-sub { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.attention-card { margin-bottom: 22px; }
.attention-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.attention-row:last-child { border-bottom: 0; }
.attention-row span { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.attention-row strong { font-weight: 600; }
.attention-row.danger strong { color: var(--red); }
.attention-row.warning strong { color: var(--gold); }
.attention-row.info strong { color: var(--purple); }
.stats-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card, .card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat-card { padding: 17px; position: relative; overflow: hidden; }
.stat-card:before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: var(--purple); opacity: .8; }
.stat-label, .card-title, .field-label {
  font: 10px var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--muted);
}
.stat-value { margin-top: 9px; font: 400 29px/1 var(--serif); }
.stat-meta { margin-top: 6px; color: var(--muted); font-size: 12px; }
.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.summary-tile {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.018);
  padding: 13px;
}
.summary-tile.healthy { border-color: rgba(92,224,154,.25); }
.summary-tile.warning { border-color: rgba(214,166,58,.35); }
.summary-tile.danger { border-color: rgba(224,92,92,.35); }
.summary-tile.info { border-color: rgba(155,125,232,.35); }
.summary-value { margin-top: 7px; font: 400 22px/1.15 var(--serif); }
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 16px;
}
.grid-2 { display: grid; grid-template-columns: 1.35fr .9fr; gap: 16px; }
.card-header {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-body { padding: 16px 18px; }
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.toolbar input, .toolbar select { max-width: 260px; }
.inline-filter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: auto;
  color: var(--muted);
  font-size: 12px;
}
.inline-filter input { width: auto; min-height: auto; }
.btn {
  border: 1px solid var(--border2);
  border-radius: 7px;
  background: var(--bg3);
  color: var(--text);
  padding: 8px 11px;
  font-size: 12px;
}
.btn:hover { border-color: rgba(255,255,255,.18); }
.btn-primary { background: rgba(155,125,232,.12); border-color: rgba(155,125,232,.35); color: var(--purple); }
.btn-primary:hover { background: rgba(155,125,232,.2); border-color: rgba(155,125,232,.55); }
.btn-danger { color: var(--red); border-color: rgba(224,92,92,.35); background: rgba(224,92,92,.08); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 5px 8px; font-size: 11px; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th {
  text-align: left;
  padding: 10px 12px;
  color: var(--muted);
  font: 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}
td { padding: 11px 12px; border-bottom: 1px solid var(--border); color: var(--text); font-size: 13px; vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.name-cell { font-weight: 600; }
.subline { color: var(--muted); font-size: 12px; margin-top: 2px; }
.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border2);
  border-radius: 999px;
  padding: 3px 7px;
  font: 10px var(--mono);
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.badge.active, .badge.occupied, .badge.verified { color: var(--green); border-color: rgba(92,224,154,.35); background: rgba(92,224,154,.08); }
.badge.vacant, .badge.applicant, .badge.pending, .badge.partial, .badge.warning, .badge.expiring_soon, .badge.waiting_approval, .badge.waiting_parts, .badge.scheduled, .badge.high { color: var(--gold); border-color: rgba(214,166,58,.35); background: rgba(214,166,58,.08); }
.badge.inactive, .badge.former, .badge.flag, .badge.emergency, .badge.past_due, .badge.balance_due, .badge.cancelled, .badge.void { color: var(--red); border-color: rgba(224,92,92,.35); background: rgba(224,92,92,.08); }
.badge.open, .badge.draft, .badge.posted, .badge.info, .badge.in_progress, .badge.dispatched { color: var(--purple); border-color: rgba(155,125,232,.35); background: rgba(155,125,232,.08); }
.badge.completed, .badge.paid, .badge.current { color: var(--green); border-color: rgba(92,224,154,.35); background: rgba(92,224,154,.08); }
.entity-link { color: var(--text); border-bottom: 1px solid rgba(155,125,232,.35); }
.entity-link:hover { color: var(--purple); }
.row-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-grid .wide { grid-column: 1 / -1; }
label { display: grid; gap: 6px; }
input, select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 7px;
  color: var(--text);
  padding: 9px 10px;
  min-height: 38px;
}
textarea { min-height: 78px; resize: vertical; }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.72);
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal.open { display: flex; }
.modal-panel {
  width: min(760px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 10px;
}
.modal-head, .modal-foot {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.modal-foot { border-top: 1px solid var(--border); border-bottom: 0; justify-content: flex-end; }
.modal-title { margin: 0; font: 400 24px var(--serif); }
.modal-body { padding: 18px; }
.empty, .loading { color: var(--muted); padding: 18px; text-align: center; }
.empty-title { color: var(--text); font-weight: 600; }
.activity-list { display: grid; }
.activity-item {
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: 0; }
.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: var(--bg2);
  border: 1px solid rgba(155,125,232,.35);
  color: var(--purple);
  border-radius: var(--radius);
  padding: 11px 14px;
  display: none;
  z-index: 100;
}
.toast.error { color: var(--red); border-color: rgba(224,92,92,.4); }
.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab {
  padding: 10px 12px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
}
.tab.active { color: var(--purple); border-bottom-color: var(--purple); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .summary-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .sidebar { position: static; width: 100%; min-height: auto; }
  .shell { display: block; }
  .main { margin-left: 0; }
  .topbar { padding: 0 18px; }
  .content { padding: 22px 18px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary-strip { grid-template-columns: 1fr; }
  .attention-row { grid-template-columns: 1fr; gap: 4px; }
  .form-grid { grid-template-columns: 1fr; }
}