/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg-primary:   #ffffff;
  --bg-secondary: #f5f5f3;
  --bg-tertiary:  #f0ede8;
  --border:       rgba(0,0,0,0.1);
  --border-hover: rgba(0,0,0,0.2);
  --text-primary:   #1a1a18;
  --text-secondary: #666664;
  --text-tertiary:  #999997;
  --color-ok:   #639922;
  --color-warn: #BA7517;
  --color-over: #E24B4A;
  --dept-HL:      #378ADD;
  --dept-IF:      #1D9E75;
  --dept-CC:      #D4537E;
  --dept-OB:      #D85A30;
  --dept-MKT:     #7F77DD;
  --dept-unknown: #888780;

  /* floor plan room colors */
  --room-left-bg:     #EAF3DE;
  --room-left-border: #3B6D11;
  --room-right-bg:    #E6F1FB;
  --room-right-border:#185FA5;
  --room-entry-bg:    #FAEEDA;
  --room-entry-border:#854F0B;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary:   #1a1a18;
    --bg-secondary: #222220;
    --bg-tertiary:  #2a2a28;
    --border:       rgba(255,255,255,0.1);
    --border-hover: rgba(255,255,255,0.2);
    --text-primary:   #f0f0ee;
    --text-secondary: #9a9a98;
    --text-tertiary:  #666664;
    --room-left-bg:     #1b2e11;
    --room-left-border: #4a8f1e;
    --room-right-bg:    #121e30;
    --room-right-border:#3a7bd5;
    --room-entry-bg:    #2b1e0e;
    --room-entry-border:#b07030;
  }
}

/* ── Reset & base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────────────── */
header {
  background: var(--bg-primary);
  border-bottom: 0.5px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 52px;
  gap: 32px;
}

.header-title {
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--text-primary);
}
.header-title span {
  font-weight: 400;
  color: var(--text-tertiary);
}

.tabs {
  display: flex;
  gap: 0;
  height: 100%;
  align-items: stretch;
}
.tab {
  padding: 0 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -0.5px;
  transition: color 0.12s, border-color 0.12s;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--text-primary);
  font-weight: 500;
  border-bottom-color: var(--text-primary);
}

/* ── Stats bar ─────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  background: var(--bg-primary);
  border-bottom: 0.5px solid var(--border);
}
.stat-card {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 10px 16px;
  min-width: 110px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}
.stat-value {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

/* ── Main ──────────────────────────────────────────────────── */
main { padding: 24px; }
.view { display: none; }
.view.active { display: block; }

/* ── Floor plan ────────────────────────────────────────────── */
.building-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
}

.entrance-label {
  background: var(--room-entry-bg);
  border: 0.5px solid var(--room-entry-border);
  color: var(--room-entry-border);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 6px 6px 0 0;
  align-self: center;
  margin-left: calc(180px + 2px); /* align with corridor column */
  border-bottom: none;
}

.building-grid {
  display: grid;
  grid-template-columns: 180px 56px 180px;
  grid-template-rows: repeat(9, 68px);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border-hover);
  border-radius: 8px;
  overflow: hidden;
}

.corridor-main {
  grid-column: 2;
  grid-row: 1 / 10;
  background: var(--bg-tertiary);
}

.room-cell {
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: filter 0.12s;
  overflow: hidden;
}
.room-cell:hover { filter: brightness(0.94); }

.room-cell .room-name    { font-size: 13px; font-weight: 500; line-height: 1.25; }
.room-cell .room-subtitle { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

/* room color variants */
.room-cell.room-left    { background: var(--room-left-bg);  border: 0.5px solid var(--room-left-border); }
.room-cell.room-right   { background: var(--room-right-bg); border: 0.5px solid var(--room-right-border); }
.room-cell.room-meeting { background: var(--bg-tertiary); border: 1px dashed var(--border-hover); cursor: default; }
.room-cell.room-meeting:hover { filter: none; }
.room-cell.room-entry   { background: var(--room-entry-bg); border: 0.5px solid var(--room-entry-border); }
.room-empty             { background: var(--bg-tertiary); }

/* progress bar */
.progress-track {
  height: 5px;
  background: rgba(0,0,0,0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

/* combined cell (rooms 8+9 left) */
.room-combined {
  grid-column: 1;
  grid-row: 8;
  display: flex;
  background: var(--border);
  gap: 2px;
}
.room-combined .room-cell { flex: 1; }

/* L-extension */
.l-extension {
  display: flex;
  height: 40px;
  width: calc(180px + 56px + 2px);
  background: var(--border-hover);
  border: 1px solid var(--border-hover);
  border-top: none;
  border-radius: 0 0 0 8px;
  overflow: hidden;
}
.l-left {
  flex: 1;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 11px;
  color: var(--text-tertiary);
  font-style: italic;
}
.l-corner { width: 56px; background: var(--bg-tertiary); }

/* ── Avatar ─────────────────────────────────────────────────── */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
  user-select: none;
}
.avatar-sm {
  width: 22px;
  height: 22px;
  font-size: 9px;
}

/* ── Employee chip (room detail) ───────────────────────────── */
.emp-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px 5px 6px;
  border-radius: 20px;
  border: 0.5px solid var(--border);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  margin: 3px;
}
.emp-chip:hover { border-color: var(--border-hover); background: var(--bg-primary); }
.emp-chip.floating { border-color: #378ADD; border-style: solid; }
.emp-chip .chip-name { font-size: 12px; font-weight: 500; }
.emp-chip .chip-fte  { font-size: 11px; color: var(--text-tertiary); }

/* ── Employee table ─────────────────────────────────────────── */
.emp-toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.emp-toolbar label {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
}
.emp-toolbar select {
  padding: 5px 8px;
  border: 0.5px solid var(--border-hover);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
}

#emp-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-primary);
  border-radius: 8px;
  overflow: hidden;
  border: 0.5px solid var(--border);
}
#emp-table th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 9px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 500;
  border-bottom: 0.5px solid var(--border);
}
#emp-table td { padding: 8px 14px; border-bottom: 0.5px solid var(--border); font-size: 13px; }
#emp-table tr:last-child td { border-bottom: none; }
#emp-table tbody tr { cursor: pointer; transition: background 0.1s; }
#emp-table tbody tr:hover { background: var(--bg-secondary); }

.table-emp-cell { display: flex; align-items: center; gap: 10px; }

.dept-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  border: 0.5px solid transparent;
}
.badge-green  { background: rgba(99,153,34,0.12);  color: var(--color-ok);   border-color: rgba(99,153,34,0.25); }
.badge-orange { background: rgba(186,117,23,0.12); color: var(--color-warn); border-color: rgba(186,117,23,0.25); }
.badge-grey   { background: var(--bg-secondary);   color: var(--text-tertiary); border-color: var(--border); }

/* ── Buttons ─────────────────────────────────────────────────── */
button { font-family: inherit; }

.btn-primary {
  padding: 7px 14px;
  background: #e6f1fb;
  color: #185FA5;
  border: 0.5px solid #185FA5;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.12s, transform 0.1s;
}
.btn-primary:hover  { background: #d4e8f8; }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  padding: 7px 14px;
  background: transparent;
  color: var(--text-secondary);
  border: 0.5px solid var(--border-hover);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.12s, transform 0.1s;
}
.btn-secondary:hover  { background: var(--bg-secondary); }
.btn-secondary:active { transform: scale(0.98); }

.btn-danger {
  padding: 7px 14px;
  background: transparent;
  color: var(--color-over);
  border: 0.5px solid rgba(226,75,74,0.4);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.12s, transform 0.1s;
}
.btn-danger:hover  { background: rgba(226,75,74,0.07); }
.btn-danger:active { transform: scale(0.98); }

/* ── Modals ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--bg-primary);
  border-radius: 12px;
  border: 0.5px solid var(--border-hover);
  width: 480px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}
.modal-narrow { width: 360px; }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 0.5px solid var(--border);
}
.modal-header h2 { font-size: 15px; font-weight: 500; }

.modal-body { padding: 20px 24px; flex: 1; }

.modal-footer {
  padding: 16px 24px;
  border-top: 0.5px solid var(--border);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-tertiary);
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
}
.modal-close:hover { background: var(--bg-secondary); color: var(--text-primary); }

/* room detail */
.room-meta { font-size: 13px; color: var(--text-secondary); margin-bottom: 14px; }
.room-employees { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 4px; min-height: 36px; }
.room-empty-msg { font-size: 13px; color: var(--text-tertiary); font-style: italic; align-self: center; }

/* ── Forms ───────────────────────────────────────────────────── */
form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
form input, form select {
  padding: 8px 10px;
  border: 0.5px solid var(--border-hover);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 400;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color 0.12s;
}
form input:focus, form select:focus {
  outline: none;
  border-color: #185FA5;
  box-shadow: 0 0 0 3px rgba(24,95,165,0.1);
}
form select:disabled {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
  cursor: not-allowed;
}

/* ── Assign modal ─────────────────────────────────────────────── */
.assign-subtitle { font-size: 13px; color: var(--text-secondary); }
#assign-search {
  width: 100%;
  padding: 8px 10px;
  border: 0.5px solid var(--border-hover);
  border-radius: 6px;
  margin-bottom: 10px;
  font-size: 13px;
  background: var(--bg-primary);
  color: var(--text-primary);
}
#assign-search:focus { outline: none; border-color: #185FA5; }
.assign-list {
  list-style: none;
  max-height: 260px;
  overflow-y: auto;
  border: 0.5px solid var(--border);
  border-radius: 6px;
  margin-bottom: 0;
}
.assign-list li {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 0.5px solid var(--border);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background 0.1s;
}
.assign-list li:last-child { border-bottom: none; }
.assign-list li:hover { background: var(--bg-secondary); }
.assign-list li .li-dept { font-size: 11px; color: var(--text-tertiary); margin-left: auto; }