:root {
  --bg: #0f1115;
  --panel: #171b22;
  --panel-2: #1f2430;
  --line: #2a3140;
  --text: #eef2f7;
  --muted: #98a2b3;
  --accent: #8bb8ff;
  --ok: #56d364;
  --warn: #f4c430;
  --talk: #c084fc;
  --away: #f87171;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; font-family: Inter, system-ui, Arial, sans-serif; background: var(--bg); color: var(--text); }
body { overflow: hidden; }
.app-shell { display: grid; grid-template-columns: 320px 1fr 380px; height: 100vh; }
.sidebar, .main-stage { min-height: 0; }
.sidebar { background: #10141b; border-right: 1px solid var(--line); padding: 18px; overflow: auto; }
.sidebar.right { border-right: 0; border-left: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.logo { width: 44px; height: 44px; border-radius: 12px; background: var(--accent); color: #0b1220; display: grid; place-items: center; font-weight: 800; }
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px; margin-bottom: 14px; }
.panel h2 { margin: 0 0 12px; font-size: 15px; }
.panel.compact { font-size: 14px; }
.field { display: block; margin-bottom: 10px; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input, select { width: 100%; background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.btn { appearance: none; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); border-radius: 10px; padding: 10px 12px; cursor: pointer; }
.btn.primary { background: var(--accent); color: #09111f; border-color: transparent; font-weight: 600; }
.btn.small { padding: 8px 10px; font-size: 13px; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.button-row { display: flex; gap: 8px; }
.button-row.two-col > * { flex: 1; }
.room-list { display: grid; gap: 8px; margin-bottom: 10px; }
.room-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px; cursor: pointer; }
.room-item.active { outline: 2px solid var(--accent); }
.room-item small, .room-item .subtle { color: var(--muted); display: block; }
.room-create { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; }
.room-create select { padding: 8px 10px; }
.room-lock { color: var(--warn); }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.main-stage { display: grid; grid-template-rows: auto 1fr auto; min-width: 0; }
.topbar, .statusbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.statusbar { border-top: 1px solid var(--line); border-bottom: 0; color: var(--muted); font-size: 13px; }
.topbar h2 { margin: 0; font-size: 22px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.office-canvas { position: relative; overflow: auto; background:
  linear-gradient(transparent 31px, rgba(255,255,255,0.03) 32px),
  linear-gradient(90deg, transparent 31px, rgba(255,255,255,0.03) 32px),
  #121720;
  background-size: 32px 32px;
}
.person-card { position: absolute; width: 168px; background: rgba(23, 27, 34, 0.95); border: 1px solid var(--line); border-radius: 16px; padding: 10px; display: grid; gap: 10px; backdrop-filter: blur(6px); box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.avatar-wrap { position: relative; display: inline-block; }
.avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; display: block; background: #263041; }
.status-badge { position: absolute; right: -2px; bottom: -2px; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--panel); }
.person-name { display: block; font-size: 14px; }
.person-sub { color: var(--muted); display: block; min-height: 32px; }
.call-btn { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 10px; padding: 8px 10px; cursor: pointer; }
.badge { padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); font-size: 13px; }
.badge.online { background: rgba(86, 211, 100, 0.15); color: #c7ffd2; }
.badge.offline { background: rgba(248, 113, 113, 0.15); color: #ffd0d0; }
.dot, .status-badge.present { background: var(--ok); }
.status-badge.snooze, .dot.snooze { background: var(--warn); }
.status-badge.talking, .dot.talking { background: var(--talk); }
.status-badge.away, .dot.away { background: var(--away); }
.legend-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.chat-messages { min-height: 220px; max-height: 320px; overflow: auto; display: grid; gap: 8px; }
.chat-msg { background: var(--panel-2); border-radius: 12px; padding: 10px; border: 1px solid var(--line); }
.chat-msg strong { display: block; font-size: 13px; margin-bottom: 4px; }
.chat-msg small { color: var(--muted); }
.chat-compose { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 10px; }
.occupancy-overview { display: grid; gap: 8px; }
.occupancy-row { display: flex; justify-content: space-between; align-items: center; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px; gap: 12px; }
.occupancy-row small { color: var(--muted); display: block; margin-top: 4px; }
.call-panel { min-height: 220px; border: 1px dashed var(--line); border-radius: 14px; padding: 14px; display: grid; gap: 12px; }
.call-panel.empty { color: var(--muted); display: grid; place-items: center; }
.call-actions, .media-actions, .participant-actions, .video-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.video-grid { align-items: stretch; }
.video-tile { position: relative; flex: 1 1 150px; min-height: 120px; border: 1px solid var(--line); background: #0f141b; border-radius: 14px; overflow: hidden; }
.video-tile video { width: 100%; height: 100%; object-fit: cover; background: #090c10; }
.video-label { position: absolute; left: 8px; bottom: 8px; font-size: 12px; background: rgba(0,0,0,0.6); padding: 5px 8px; border-radius: 999px; }
.chip { border: 1px solid var(--line); background: var(--panel-2); padding: 7px 10px; border-radius: 999px; font-size: 13px; }
.note { color: var(--muted); font-size: 12px; }
/* Toasts */
.toast-zone { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 1000; }
.toast { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); max-width: 340px; }
.toast strong { display: block; margin-bottom: 4px; font-size: 14px; }
.toast div { font-size: 13px; color: var(--muted); }
.toast.clickable { cursor: pointer; }
.toast.clickable:hover { border-color: var(--accent); }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(9,12,18,0.7); display: grid; place-items: center; z-index: 900; padding: 20px; }
.modal-backdrop[hidden] { display: none; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; max-width: 460px; width: 100%; max-height: 80vh; overflow: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.modal-header h3 { margin: 0; font-size: 16px; }
.modal-close { background: transparent; border: 0; color: var(--muted); font-size: 22px; cursor: pointer; padding: 0 8px; }
.modal-body { padding: 16px 18px; display: grid; gap: 14px; }
.modal-body h4 { margin: 0 0 8px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.member-list { display: grid; gap: 8px; }
.member-row { display: flex; justify-content: space-between; align-items: center; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; gap: 8px; }
.member-row small { color: var(--muted); display: block; }
.invite-box { display: grid; gap: 6px; }

@media (max-width: 1280px) {
  .app-shell { grid-template-columns: 280px 1fr; }
  .sidebar.right { display: none; }
}