:root {
  color-scheme: dark;
  --bg: #0a0d12;
  --panel: #121821;
  --panel-2: #182230;
  --line: #293442;
  --text: #eef5f8;
  --muted: #91a2b4;
  --green: #48d6a3;
  --cyan: #6ac7ff;
  --yellow: #f2c15f;
  --red: #ff6f7d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

button, input, select {
  font: inherit;
}

button, .icon-link {
  border: 1px solid #3a4654;
  background: #1d2734;
  color: var(--text);
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
}

button:hover, .icon-link:hover {
  border-color: var(--cyan);
}

input, select {
  width: 100%;
  min-height: 42px;
  border: 1px solid #334151;
  background: #0d131b;
  color: var(--text);
  border-radius: 8px;
  padding: 0 12px;
}

label {
  color: var(--muted);
  display: grid;
  gap: 7px;
  font-size: 13px;
}

pre {
  white-space: pre-wrap;
  background: #0d131b;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: #c8d6e3;
  overflow: auto;
}

.hidden { display: none !important; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(72, 214, 163, 0.18), transparent 34%),
    radial-gradient(circle at bottom right, rgba(106, 199, 255, 0.13), transparent 32%),
    var(--bg);
}

.login-panel {
  width: min(420px, 100%);
  padding: 32px;
  background: rgba(18, 24, 33, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.38);
}

.login-panel h1 { margin: 18px 0 8px; }
.login-panel p { color: var(--muted); margin: 0 0 24px; }
.login-panel form { display: grid; gap: 16px; }
.login-panel button { background: linear-gradient(90deg, #36c993, #58b8ff); color: #041017; border: 0; font-weight: 800; }

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: #d9fff2;
  color: #06130f;
  border-radius: 8px;
  font-weight: 900;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #0d1219;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-row strong { display: block; }
.brand-row span { display: block; color: var(--muted); font-size: 13px; }
nav { display: grid; gap: 8px; }
.nav-item { justify-content: flex-start; background: transparent; border-color: transparent; color: var(--muted); }
.nav-item.active { color: var(--text); border-color: var(--line); background: #17202c; }
.ghost { margin-top: auto; background: transparent; }

.workspace {
  padding: 28px;
  display: grid;
  align-content: start;
  gap: 24px;
}

.topbar, .toolbar, .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar h1, .toolbar h2, .panel h2 { margin: 0; }
.eyebrow { color: var(--green); text-transform: uppercase; letter-spacing: .12em; font-size: 12px; margin: 0 0 6px; }
.top-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metrics article, .panel, .room-card, .tenant-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metrics article {
  padding: 18px;
}

.metrics span {
  color: var(--muted);
  font-size: 13px;
}

.metrics strong {
  display: block;
  font-size: 32px;
  margin-top: 8px;
}

.view { display: none; }
.view.active { display: block; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr);
  gap: 18px;
}

.panel {
  padding: 20px;
  min-width: 0;
}

.stack { display: grid; gap: 10px; margin-top: 16px; }
.empty { color: var(--muted); border: 1px dashed #394655; border-radius: 8px; padding: 16px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 18px;
}

.form-grid.compact { grid-template-columns: 1.2fr 1fr 100px 140px; }
.form-grid.collapsed { display: none; }
.wide { grid-column: span 3; }
.form-grid button { align-self: end; }

.room-grid, .tenant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}

.room-card, .tenant-card {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.room-card header, .tenant-card header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.room-card h3, .tenant-card h3 { margin: 0; }
.muted, .meta { color: var(--muted); }
.meta { font-size: 12px; }
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: #1c2b2b;
  color: #a8ffe0;
  font-size: 12px;
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.danger { border-color: rgba(255, 111, 125, .45); color: #ffc5cb; }

dialog {
  width: min(520px, calc(100vw - 24px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 0;
}

dialog::backdrop { background: rgba(0, 0, 0, .68); }
dialog form { padding: 20px; display: grid; gap: 14px; }
dialog header { display: flex; justify-content: space-between; align-items: center; }
dialog h2 { margin: 0; }
.icon-button { width: 36px; min-height: 36px; padding: 0; }
.toggles { display: flex; gap: 12px; flex-wrap: wrap; }
.toggles label { display: flex; align-items: center; gap: 7px; }
.toggles input { width: auto; min-height: auto; }

.invite-result {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(72, 214, 163, .35);
  background: rgba(72, 214, 163, .08);
  border-radius: 8px;
  padding: 14px;
}

.invite-result h3 {
  margin: 0;
  font-size: 17px;
}

.invite-result p {
  margin: 0;
  color: var(--muted);
}

.share-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.share-link input {
  color: #d9fff2;
  border-color: rgba(72, 214, 163, .32);
}

.invite-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.qr-wrap {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 12px;
  align-items: center;
  background: rgba(13, 19, 27, .72);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.qr-wrap img {
  width: 132px;
  height: 132px;
  background: #fff;
  border-radius: 8px;
  padding: 8px;
}

.qr-wrap strong {
  display: block;
  margin-bottom: 5px;
}

.token-details {
  border-top: 1px solid rgba(255, 255, 255, .09);
  padding-top: 10px;
}

.token-details summary {
  cursor: pointer;
  color: var(--muted);
}

.token-details code {
  display: block;
  margin-top: 9px;
  overflow-wrap: anywhere;
  color: #cfe8ff;
  background: #0d131b;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
}

#toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #d9fff2;
  color: #06130f;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 800;
  transform: translateY(80px);
  opacity: 0;
  transition: .2s ease;
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
  }
  nav { display: flex; }
  .ghost { margin-top: 0; margin-left: auto; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; }
  .form-grid, .form-grid.compact { grid-template-columns: 1fr; }
  .wide { grid-column: auto; }
}

@media (max-width: 620px) {
  .workspace { padding: 18px; }
  .sidebar { padding: 14px; }
  .brand-row div:not(.brand-mark) { display: none; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .metrics { grid-template-columns: 1fr; }
  .qr-wrap { grid-template-columns: 1fr; }
}