/* Stack design system tokens — include verbatim in every app */
:root {
  --navy:        #1a1a2e;
  --navy-dark:   #0f0f20;
  --gold:        #c9a84c;
  --gold-light:  #e8c96d;
  --surface:     rgba(255,255,255,0.07);
  --surface-2:   rgba(255,255,255,0.08);
  --text:        rgba(255,255,255,0.88);
  --text-muted:  rgba(255,255,255,0.48);
  --body-bg:     #f4f5f7;
  --card-bg:     #ffffff;
  --card-border: #e4e8ee;
  --text-dark:   #1e293b;
  --text-mid:    #64748b;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08);
  --danger:      #dc2626;
  --radius:      10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
body { background: var(--body-bg); color: var(--text-dark); font-family: var(--font); }

/* App theme + semantic tokens */
:root {
  --app-primary:       #c1440e;
  --app-primary-light: #e0692f;

  /* Room state colours — matches NewBook's status colours: booked=green, occupied=blue, departing=purple */
  --st-vacant:        #64748b;
  --st-booked:        #16a34a;
  --st-heating-up:    #d97706;
  --st-occupied:      #2563eb;
  --st-cooling-down:  #7c3aed;

  --health-healthy:      #16a34a;
  --health-degraded:     #d97706;
  --health-poor:         #ea580c;
  --health-unresponsive: #dc2626;
  --health-calibration:  #7c3aed;

  --danger-bg:  #fef2f2;
  --warn-bg:    #fffbeb;
  --ok-bg:      #f0fdf4;

  --sidebar-w: 240px;
  --topbar-h:  56px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; font-size: 14px; }

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 2px; }

/* ── App shell ─────────────────────────────────────────────── */
.app-shell { display: flex; height: 100vh; overflow: hidden; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--navy);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}
.sidebar-logo {
  padding: 20px 16px 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-logo svg { opacity: .8; }
.sidebar-nav { flex: 1; padding: 8px 0; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  transition: background .15s, color .15s;
}
.sidebar-nav a:hover { background: var(--surface); color: var(--text); }
.sidebar-nav a.active { background: rgba(201,168,76,.1); color: var(--gold); }
.sidebar-user {
  padding: 12px 16px;
  border-top: 1px solid var(--surface-2);
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-bar {
  display: none;
  height: var(--topbar-h);
  background: var(--navy);
  color: var(--text);
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  flex-shrink: 0;
}
.top-bar-title { flex: 1; font-size: 15px; font-weight: 600; color: var(--gold); }

.page-content { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 200;
    transform: translateX(calc(-1 * var(--sidebar-w)));
    transition: transform 0.25s ease;
  }
  .app-shell.menu-open .sidebar { transform: translateX(0); }
  .top-bar { display: flex; }
  .app-shell { flex-direction: column; }
  .field-row { flex-direction: column; }
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
}

.top-bar-burger {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  flex-shrink: 0;
}

/* ── Page chrome ───────────────────────────────────────────── */
.page { padding: 20px; max-width: 1100px; width: 100%; margin: 0 auto; }
.page-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-header h1 { font-size: 18px; margin: 0; flex: 1; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-dark);
  border-radius: var(--radius);
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font);
  transition: background .12s, border-color .12s;
}
.btn:hover { border-color: var(--text-mid); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--gold); border-color: var(--gold); color: var(--navy); font-weight: 600; }
.btn-primary:hover { background: var(--gold-light); border-color: var(--gold-light); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 8px; }

/* ── Forms ─────────────────────────────────────────────────── */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-mid); margin-bottom: 4px; }
.field input[type="text"], .field input[type="email"], .field input[type="date"],
.field input[type="number"], .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13.5px;
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--card-bg);
}
.field textarea { min-height: 72px; resize: vertical; }
.field-row { display: flex; gap: 12px; }
.field-row > .field { flex: 1; }
.field-check { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; }
.field-check input { width: 16px; height: 16px; accent-color: var(--gold); }
.field-hint { font-size: 11.5px; color: var(--text-mid); margin-top: 3px; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
}

/* ── Zone grid / cards ─────────────────────────────────────── */
.zone-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.zone-card {
  cursor: pointer;
  transition: box-shadow .12s, transform .12s;
  border-left: 4px solid var(--st-vacant);
}
.zone-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.zone-card.st-vacant       { border-left-color: var(--st-vacant); }
.zone-card.st-booked       { border-left-color: var(--st-booked); }
.zone-card.st-heating_up   { border-left-color: var(--st-heating-up); }
.zone-card.st-occupied     { border-left-color: var(--st-occupied); }
.zone-card.st-cooling_down { border-left-color: var(--st-cooling-down); }
.zone-card-title { font-weight: 600; font-size: 14px; margin-bottom: 4px; display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.zone-card-temp { font-size: 20px; font-weight: 700; margin: 6px 0 2px; }
.zone-card-meta { font-size: 12px; color: var(--text-mid); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ── Zone card body: setpoint/radiators on the left, AC block on the right ─ */
.zone-card-body { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-top: 4px; }
.zone-card-main { flex: 1; min-width: 0; }

.rad-row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.rad-icon { display: flex; align-items: center; gap: 3px; font-size: 10.5px; font-weight: 600; color: var(--text-mid); }
.rad-icon.heating { color: var(--danger); }
.rad-icon.idle     { color: var(--text-mid); }

.ac-block { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding-top: 4px; color: var(--text-dark); }
.ac-block.off { color: var(--text-mid); opacity: .55; }
.ac-lock { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); color: var(--health-degraded); }
.ac-mode-row { display: flex; align-items: center; gap: 6px; }
.ac-temp { font-size: 10.5px; font-weight: 600; color: var(--text-mid); }

.fan-bar { display: flex; align-items: flex-end; gap: 2px; height: 16px; }
.fan-bar span { width: 3px; background: var(--card-border); border-radius: 1px; }
.fan-bar span:nth-child(1) { height: 25%; }
.fan-bar span:nth-child(2) { height: 50%; }
.fan-bar span:nth-child(3) { height: 75%; }
.fan-bar span:nth-child(4) { height: 100%; }
.fan-bar span.on { background: var(--app-primary); }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 20px;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.badge-st-vacant       { background: var(--st-vacant); }
.badge-st-booked       { background: var(--st-booked); }
.badge-st-heating_up   { background: var(--st-heating-up); }
.badge-st-occupied     { background: var(--st-occupied); }
.badge-st-cooling_down { background: var(--st-cooling-down); }

.badge-health-healthy      { background: var(--health-healthy); }
.badge-health-degraded     { background: var(--health-degraded); }
.badge-health-poor         { background: var(--health-poor); }
.badge-health-unresponsive { background: var(--health-unresponsive); }
.badge-health-calibration_error { background: var(--health-calibration); }

.badge-outline {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-mid);
  font-weight: 500;
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,15,32,.55);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 12px;
  z-index: 100;
  overflow-y: auto;
}
.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 680px;
  padding: 20px;
  margin: auto 0;
}
.modal-header { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; }
.modal-header h2 { font-size: 16px; margin: 0; flex: 1; }
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-mid);
  padding: 2px;
  display: flex;
}
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.modal-lg { max-width: 820px; }

/* ── Device history chart ─────────────────────────────────── */
.history-range-row { display: flex; gap: 6px; margin-bottom: 12px; }
.history-chart-title { font-size: 12.5px; font-weight: 600; color: var(--text-mid); margin: 14px 0 4px; }
.history-tooltip {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  padding: 8px 10px;
  font-size: 12px;
}
.history-tooltip .ht-time { font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.history-tooltip .ht-row { display: flex; align-items: center; gap: 6px; color: var(--text-mid); }
.history-tooltip .ht-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* ── Timeline / activity log ──────────────────────────────── */
.timeline { margin: 8px 0; }
.timeline-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 13px;
}
.timeline-item:last-child { border-bottom: none; }
.timeline-icon { color: var(--text-mid); flex-shrink: 0; margin-top: 1px; }
.timeline-body { flex: 1; min-width: 0; }
.timeline-meta { font-size: 11.5px; color: var(--text-mid); margin-top: 2px; }

/* ── Photos ────────────────────────────────────────────────── */
.photo-grid { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.photo-thumb {
  width: 84px;
  height: 84px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--card-border);
  cursor: pointer;
}
.photo-thumb-uploading {
  display: flex; align-items: center; justify-content: center;
  background: var(--card-border); color: var(--text-mid);
}
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin .75s linear infinite; }
.photo-thumb-wrap { position: relative; }
.photo-del {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.lightbox-img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 4px; }
.lightbox-close {
  position: absolute; top: 16px; right: 16px;
  background: rgba(255,255,255,.15); border: none; border-radius: 50%;
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: #fff; transition: background .12s;
}
.lightbox-close:hover { background: rgba(255,255,255,.28); }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th {
  text-align: left;
  padding: 9px 12px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-mid);
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}
table.data td { padding: 9px 12px; border-bottom: 1px solid var(--card-border); vertical-align: top; }
table.data tr:last-child td { border-bottom: none; }

/* ── Misc ──────────────────────────────────────────────────── */
.empty-state { text-align: center; color: var(--text-mid); padding: 40px 16px; font-size: 13.5px; }
.error-banner {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 13px;
}
.ok-banner {
  background: var(--ok-bg);
  border: 1px solid var(--health-healthy);
  color: var(--health-healthy);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 13px;
}
.section-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-mid); margin: 18px 0 8px; }
.muted { color: var(--text-mid); }

/* Sidebar scrollbar */
.sidebar::-webkit-scrollbar, .sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track, .sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb, .sidebar-nav::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.35); border-radius: 2px; }
.sidebar::-webkit-scrollbar-thumb:hover, .sidebar-nav::-webkit-scrollbar-thumb:hover { background: rgba(201,168,76,0.65); }

/* ── Kiosk wall-panel view ─────────────────────────────────── */
/* Deliberately NOT modelled on weather's fixed-grid no-scroll layout — a device
   grid can outgrow one screen the way a single day's forecast never does, so
   this is a normal scrollable page, just full-screen and touch-sized. */
.kiosk-shell { height: 100dvh; display: flex; flex-direction: column; background: var(--body-bg); }
.kiosk-center { align-items: center; justify-content: center; }
.kiosk-login-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 28px 26px; width: 100%; max-width: 340px; text-align: center;
}
.kiosk-login-card input {
  border: 1px solid var(--card-border); border-radius: 8px; padding: 10px 12px; font-size: 16px;
}

.kiosk-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; background: var(--navy); color: var(--text); flex-shrink: 0;
}
.kiosk-header-title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--gold); }

.kiosk-error { margin: 12px 16px 0; }

.kiosk-grid-wrap { flex: 1; overflow-y: auto; padding: 16px; }
.kiosk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }

/* One tile per zone. Border colour = the room's live state, same st-* vars
   ZoneCard uses (see "Zone grid / cards" above) — a tile reads the same way
   here as on the Dashboard. Top area: zone name + the (at most one) AC block,
   pinned top-right via space-between. Bottom half: a row of up to 3 TRVs,
   pushed down by the outer flex's space-between — the "lower half" layout
   the dashboard's cards don't need since staff view is denser/smaller text. */
.kiosk-block {
  position: relative; cursor: pointer; background: var(--card-bg);
  border: 1px solid var(--card-border); border-left: 4px solid var(--st-vacant); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 12px; min-height: 112px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 10px; user-select: none;
}
.kiosk-block.st-vacant       { border-left-color: var(--st-vacant); }
.kiosk-block.st-booked       { border-left-color: var(--st-booked); }
.kiosk-block.st-heating_up   { border-left-color: var(--st-heating-up); }
.kiosk-block.st-occupied     { border-left-color: var(--st-occupied); }
.kiosk-block.st-cooling_down { border-left-color: var(--st-cooling-down); }
.kiosk-block.selected { outline: 2px solid var(--gold); outline-offset: -2px; }
.kiosk-block-check {
  position: absolute; top: 8px; right: 8px; width: 20px; height: 20px; border-radius: 5px;
  border: 1.5px solid var(--card-border); display: flex; align-items: center; justify-content: center;
  color: var(--navy); background: var(--card-bg);
}
.kiosk-block.selected .kiosk-block-check { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.kiosk-block-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; padding-right: 24px; }
.kiosk-block-zone { font-size: 13px; font-weight: 700; color: var(--text-dark); }

.kiosk-trv-row { display: flex; gap: 16px; }
.kiosk-trv { display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 11.5px; font-weight: 600; color: var(--text-mid); }
.kiosk-trv.heating { color: var(--danger); }

.kiosk-bulk-bar {
  position: sticky; bottom: 0; display: flex; align-items: center; gap: 12px;
  padding: 12px 18px; background: var(--navy); color: var(--text); flex-shrink: 0;
}

/* 30s duration must match KioskModal.tsx's IDLE_MS */
.kiosk-modal-timeout-track { height: 3px; background: var(--card-border); border-radius: 2px; margin-top: 18px; overflow: hidden; }
.kiosk-modal-timeout-bar { height: 100%; width: 100%; background: var(--gold); transform-origin: left; animation: kiosk-timeout-shrink 30s linear forwards; }
@keyframes kiosk-timeout-shrink { from { transform: scaleX(1); } to { transform: scaleX(0); } }
.sidebar, .sidebar-nav { scrollbar-width: thin; scrollbar-color: rgba(201,168,76,0.35) transparent; }