:root {
  /* Five3 Servicepro blue palette */
  --bt-green: #2563EB;
  --bt-green-dark: #1D4ED8;
  --bt-green-top: #3B82F6;
  --bt-accent: #06B6D4;
  --sidebar-bg: #1E293B;
  --sidebar-text: #94A3B8;
  --sidebar-active: #3B82F6;
  --sidebar-hover: #334155;
  --content-bg: #F8FAFC;
  --panel-bg: #FFFFFF;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --table-head: #F1F5F9;
  --table-hover: #EFF6FF;
  --danger: #EF4444;
  --link: #2563EB;
}
* { box-sizing: border-box; }
html {
  height: 100%;
}
body {
  margin: 0;
  min-height: 100%;
  height: 100%;
  font-family: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--content-bg);
  line-height: 1.45;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Top module bar (BioTime style) */
.bt-topbar {
  background: linear-gradient(180deg, var(--bt-green-top) 0%, var(--bt-green) 100%);
  color: #fff;
  height: 48px;
  display: flex;
  align-items: stretch;
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
  position: sticky;
  top: 0;
  z-index: 100;
}
.bt-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 0.05rem;
  padding: 0.35rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  background: rgba(0,0,0,.08);
  line-height: 1.15;
}
.bt-brand:hover { color: #fff; text-decoration: none; }
.bt-brand-name {
  display: block;
}
.bt-brand-customer {
  display: block;
  max-width: 11rem;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.88;
  letter-spacing: 0.01em;
}
.bt-modules {
  display: flex;
  align-items: stretch;
  flex: 1;
}
.bt-module {
  display: flex;
  align-items: center;
  padding: 0 1.1rem;
  color: rgba(255,255,255,.92);
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 3px solid transparent;
}
.bt-module:hover { background: rgba(255,255,255,.12); color: #fff; text-decoration: none; }
.bt-module.active {
  background: rgba(0,0,0,.12);
  border-bottom-color: #fff;
  font-weight: 600;
}
.bt-topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  margin-left: auto;
}
.bt-user { font-size: 0.85rem; opacity: .95; }
.bt-logout {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.82rem;
}
.bt-logout:hover { background: rgba(255,255,255,.25); }

/* Layout */
.bt-layout {
  display: flex;
  height: calc(100% - 48px);
  min-height: calc(100% - 48px);
  width: 100%;
}
.bt-sidebar {
  width: 268px;
  min-width: 268px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 0;
  overflow-y: auto;
  font-size: 14px;
}
.bt-sidebar-org {
  margin: 0.75rem 0.75rem 0.35rem;
  padding: 0.55rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  color: #E2E8F0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bt-sidebar-search {
  margin: 0 0.65rem 0.75rem;
  padding: 0.35rem 0.5rem;
  width: calc(100% - 1.3rem);
  border: 1px solid #555;
  border-radius: 3px;
  background: #2f353c;
  color: #ddd;
  font-size: 0.82rem;
}
.bt-nav-group {
  margin: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
}
.bt-nav-group > summary.bt-nav-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  margin: 0;
  padding: 0.8rem 0.9rem;
  min-height: 44px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  color: #e2e6ea;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
  user-select: none;
  list-style: none;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.12s ease, color 0.12s ease;
}
.bt-nav-group > summary.bt-nav-title::-webkit-details-marker { display: none; }
.bt-nav-group > summary.bt-nav-title::marker { content: ""; font-size: 0; }
.bt-nav-group > summary.bt-nav-title:hover { background: var(--sidebar-hover); color: #fff; }
.bt-nav-group[open] > summary.bt-nav-title {
  color: #fff;
  background: rgba(0, 0, 0, 0.08);
}
.bt-nav-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 15px;
  line-height: 1;
  color: #aeb6bf;
  opacity: 0.95;
}
.bt-nav-group[open] > summary .bt-nav-icon { color: #d5dbe1; }
.bt-nav-label { flex: 1; min-width: 0; }
.bt-nav-chevron {
  flex-shrink: 0;
  margin-left: auto;
  width: auto;
  font-size: 10px;
  line-height: 1;
  color: #8a939c;
  transition: transform 0.15s ease;
}
.bt-nav-group:not([open]) > summary .bt-nav-chevron { transform: rotate(-90deg); }
.bt-nav-group:not([open]) > .bt-nav-link { display: none; }
.bt-nav-group[open] > .bt-nav-link {
  background: #323840;
}
.bt-nav-group > .bt-nav-link,
.bt-nav-group .bt-nav-row > .bt-nav-link {
  display: block;
  padding: 0.7rem 0.9rem 0.7rem 2.85rem;
  min-height: 40px;
  color: #c8cdd3;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.35;
  border-left: 3px solid transparent;
  transition: background 0.12s ease, color 0.12s ease;
}
.bt-nav-group > .bt-nav-link:hover,
.bt-nav-group .bt-nav-row > .bt-nav-link:hover { background: #3d4550; color: #fff; text-decoration: none; }
.bt-nav-group > .bt-nav-link.active,
.bt-nav-group .bt-nav-row > .bt-nav-link.active {
  color: var(--sidebar-active);
  background: #2a3038;
  border-left-color: var(--sidebar-active);
  font-weight: 500;
}
.bt-nav-group:not([open]) > .bt-nav-row { display: none; }
.bt-nav-group[open] > .bt-nav-row,
.bt-nav-favorites[open] .bt-nav-row { background: #323840; }
.bt-nav-favorites[open] .bt-nav-favorites-empty { background: #323840; }
.bt-nav-row {
  display: flex;
  align-items: stretch;
  position: relative;
}
.bt-nav-row > .bt-nav-link {
  flex: 1;
  min-width: 0;
  padding-right: 2.2rem;
}
.bt-nav-pin {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: #8a939c;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  opacity: 0.55;
  transition: opacity 0.12s ease, color 0.12s ease, background 0.12s ease;
}
.bt-nav-row:hover .bt-nav-pin,
.bt-nav-pin.is-pinned {
  opacity: 1;
}
.bt-nav-pin:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fbbf24;
}
.bt-nav-pin.is-pinned {
  color: #fbbf24;
}
.bt-nav-favorites > summary .bt-nav-icon {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}
.bt-nav-favorites-list:empty + .bt-nav-favorites-empty {
  display: block;
}
.bt-nav-favorites-empty {
  margin: 0;
  padding: 0.55rem 0.9rem 0.75rem 2.85rem;
  font-size: 12px;
  line-height: 1.35;
  color: #8a939c;
  background: #323840;
}
.bt-nav-group[data-always-open] > summary .bt-nav-chevron {
  visibility: hidden;
}
.bt-content {
  flex: 1;
  padding: 0;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--content-bg);
}
.bt-content > .bt-page {
  flex: 1;
  min-height: 0;
  width: 100%;
}

/* Page chrome */
.bt-page {
  background: var(--panel-bg);
  margin: 0;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.bt-page-header {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.bt-page-title { font-size: 1rem; font-weight: 600; margin: 0; color: var(--text); }
.bt-toolbar {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  background: #fff;
}
.bt-toolbar-spacer { flex: 1; }
.bt-dropdown {
  position: relative;
  display: inline-block;
}
.bt-dropdown-toggle::after {
  content: "";
}
.bt-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 3px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  z-index: 40;
  padding: 0.25rem 0;
}
.bt-dropdown.open .bt-dropdown-menu { display: block; }
.bt-dropdown-item {
  display: block;
  width: 100%;
  padding: 0.45rem 0.85rem;
  border: 0;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
}
.bt-dropdown-item:hover:not(.is-disabled):not(:disabled) {
  background: #f0f4f8;
}
.bt-dropdown-item.is-disabled,
.bt-dropdown-item:disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}
.bt-modal-enroll { width: min(420px, 96vw); }
.bt-enroll-form { padding: 0.75rem 1rem 0; }
.bt-enroll-hint { margin: 0 0 0.75rem; padding: 0 0 0 130px; max-width: 28rem; }
.bt-enroll-status { font-size: 0.75rem; margin-right: 0.35rem; }
.bt-enroll-status.ok { color: #2e7d32; }
.bt-enroll-status.fail { color: #c62828; }
.bt-enroll-form .bt-form-row.compact {
  grid-template-columns: 130px 1fr;
  align-items: center;
  margin-bottom: 0.75rem;
}
.bt-modal-backdrop.is-open { display: flex; }
.bt-modal-backdrop[hidden] { display: none !important; }
.bt-search {
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.85rem;
  min-width: 180px;
}
.bt-page-body {
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: var(--panel-bg);
}
.bt-page-body > .bt-table-wrap {
  flex: 1;
  min-height: 0;
  overflow: auto;
}
.bt-page-body-scroll {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.bt-settings-panel {
  margin: 0;
  border-radius: 0;
  border-top: none;
  padding-bottom: 1.5rem;
}
.bt-settings-section {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.bt-settings-section:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}
.bt-settings-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}
.bt-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: 0.35rem 1rem;
}
.bt-device-id {
  font-size: 0.78rem;
  word-break: break-all;
  background: #f3f4f6;
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
}
.bt-sync-status-panel {
  flex-direction: column;
  align-items: stretch;
  gap: 0.35rem;
  background: #f8fafb;
  border-bottom: 1px solid var(--border);
}
.bt-sync-status-grid {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: 100%;
}
.bt-sync-status-label {
  font-weight: 600;
  margin-right: 0.5rem;
}
.bt-sync-resource-table {
  font-size: 0.85rem;
  margin: 0.5rem 0 1rem;
  max-width: 720px;
}

/* Data table (BioTime / ZKT style) */
.bt-table-wrap { overflow-x: auto; }
.bt-table-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  background: #fff;
}
.bt-toolbar-columns {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto;
}
.bt-table-toolbar-row {
  display: flex;
  justify-content: flex-end;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}
.bt-table-toolbar-row-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.bt-columns-picker { position: relative; flex-shrink: 0; }
.bt-columns-trigger {
  display: inline-flex !important;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.2;
  vertical-align: middle;
}
.bt-columns-trigger-label {
  display: inline-block;
  line-height: 1.2;
}
.bt-columns-trigger-icon {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 3px;
  width: 14px;
  min-width: 14px;
  height: 12px;
  flex-shrink: 0;
  box-sizing: border-box;
}
.bt-columns-trigger-bar {
  display: block;
  width: 2px;
  height: 12px;
  background: #666;
  border-radius: 1px;
}
.bt-columns-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  min-width: 200px;
  max-height: 300px;
  overflow-y: auto;
  padding: 0.4rem 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  z-index: 20;
}
.bt-columns-menu.open { display: block; }
.bt-columns-option {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}
.bt-columns-option:hover { background: #f5f7f9; }
.bt-table-viewport {
  flex: 1;
  min-height: 0;
  overflow: auto;
  overflow-x: scroll;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: auto;
  scrollbar-color: #5c6570 #d8dde3;
}
.bt-table-viewport::-webkit-scrollbar {
  width: 14px;
  height: 18px;
}
.bt-table-viewport::-webkit-scrollbar-thumb {
  background: #5c6570;
  border-radius: 8px;
  border: 3px solid #d8dde3;
}
.bt-table-viewport::-webkit-scrollbar-thumb:horizontal {
  min-width: 48px;
}
.bt-table-viewport::-webkit-scrollbar-track {
  background: #d8dde3;
}
.bt-table-viewport::-webkit-scrollbar-corner {
  background: #d8dde3;
}
.bt-table-panel .bt-table-wrap { overflow: visible; width: 100%; }
.bt-table-panel .bt-table-data {
  width: 100%;
  min-width: max-content;
  table-layout: auto;
}
.bt-table-panel .bt-table-data th,
.bt-table-panel .bt-table-data td {
  min-width: 0;
  width: auto;
  padding-left: 0.55rem;
  padding-right: 0.55rem;
}
.bt-col-hidden { display: none !important; }

.bt-table-data tbody tr.bt-row-weekend-holiday td {
  color: #2e7d32;
}

.bt-status-green {
  color: #2e7d32 !important;
  font-weight: 600;
}

.bt-table-data tbody tr.bt-row-weekend-holiday .bt-badge.active,
.bt-table-data tbody tr.bt-row-weekend-holiday .bt-status-green {
  background: #e8f5e9;
  color: #2e7d32;
}
.bt-page-hidden { display: none !important; }
.bt-table-pager {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.45rem 0.85rem;
  border-top: 1px solid var(--border);
  background: #f5f7f9;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.bt-pager-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.bt-pager-size-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--text);
}
.bt-pager-size {
  min-width: 4.2rem;
  padding: 0.25rem 0.4rem;
}
.bt-pager-range { white-space: nowrap; }
.bt-pager-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.bt-pager-pages {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin: 0 0.15rem;
}
.bt-pager-page.active {
  background: var(--bt-green);
  border-color: var(--bt-green-dark);
  color: #fff;
}
.bt-pager-nav .btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.bt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.bt-table th {
  background: var(--table-head);
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.bt-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}
.bt-table-panel .bt-table-data td {
  white-space: nowrap;
}
.bt-table tbody tr:hover { background: var(--table-hover); }
.bt-table .num { text-align: center; }
.bt-table-data th.bt-sortable {
  cursor: pointer;
  user-select: none;
  padding-right: 1.35rem;
}
.bt-table-data th.bt-sortable:hover {
  background: color-mix(in srgb, var(--table-head) 85%, var(--accent) 15%);
}
.bt-table-data th.bt-sortable::after {
  content: "↕";
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  opacity: 0.35;
}
.bt-table-data th.bt-sortable {
  position: relative;
}
.bt-table-data th.bt-sort-asc::after {
  content: "▲";
  opacity: 0.85;
  color: var(--accent, #2e7d32);
}
.bt-table-data th.bt-sort-desc::after {
  content: "▼";
  opacity: 0.85;
  color: var(--accent, #2e7d32);
}
.bt-badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}
.bt-badge.active { background: #e8f5e9; color: #2e7d32; }
.bt-badge.inactive { background: #fce4ec; color: #c62828; }

/* Footer / pagination bar */
.bt-footer {
  padding: 0.55rem 1rem;
  border-top: 1px solid var(--border);
  background: #fafbfc;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  cursor: pointer;
  line-height: 1.4;
}
.btn:hover { background: #f5f5f5; text-decoration: none; }
.btn.primary {
  background: var(--bt-green);
  border-color: var(--bt-green-dark);
  color: #fff;
}
.btn.primary:hover { background: var(--bt-green-dark); color: #fff; }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.inline-form { display: inline-flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

/* Messages */
.bt-messages { list-style: none; margin: 0; padding: 0.65rem 1rem 0; }
.msg {
  padding: 0.55rem 0.85rem;
  border-radius: 3px;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}
.msg.success { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.msg.error { background: #ffebee; color: #c62828; border: 1px solid #ffcdd2; }
.msg.warning { background: #fff8e1; color: #f57f17; border: 1px solid #ffe082; }

/* Cards / panels for reports & settings */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
  margin: 1rem;
}
.hero { padding: 1rem; }
.hero h1 { margin: 0 0 0.35rem; font-size: 1.15rem; }
.muted { color: var(--text-muted); }
.hint { font-size: 0.78rem; color: var(--text-muted); }
.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  padding: 0 1rem 1rem;
}
.report-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
}
.report-card h3 { margin: 0.35rem 0; font-size: 0.95rem; }
.report-card h3 a { color: var(--text); text-decoration: none; }
.report-card h3 a:hover { color: var(--link); }
.eyebrow { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--bt-green-dark); font-weight: 600; }

.filter-form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; }
.filter-form label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.82rem; color: var(--text-muted); }
.filter-form input {
  padding: 0.35rem 0.5rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
}
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table.data-table th, table.data-table td {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
table.data-table th { background: var(--table-head); color: var(--text-muted); }

/* Settings form */
.settings-form .form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.settings-form .field label { display: block; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.settings-form .field input[type="text"],
.settings-form .field input[type="password"],
.settings-form .field input[type="number"] {
  width: 100%;
  padding: 0.4rem 0.55rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.85rem;
}
.settings-form .field.narrow { max-width: 12rem; }
.settings-form .checkboxes { display: flex; flex-wrap: wrap; gap: 1.25rem; margin: 0.5rem 0 1rem; }
.settings-form .checkbox-label { display: flex; align-items: center; gap: 0.4rem; font-size: 0.88rem; cursor: pointer; }
.settings-form .form-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; align-items: center; margin-top: 1rem; }
.settings-form .field-error { color: var(--danger); font-size: 0.8rem; }
.section-divider { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }
code { background: #f0f2f4; padding: 0.1rem 0.35rem; border-radius: 3px; font-size: 0.85em; }

.bt-system-config-panel { margin: 0; border-top: none; max-width: 520px; }
.bt-config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}
.bt-config-row label { font-weight: 600; color: var(--text-muted); min-width: 10rem; }
.bt-config-toggle span:first-child { flex: 1; font-weight: 600; color: var(--text); }
.bt-log-pre {
  background: #1e2328;
  color: #d4dae0;
  padding: 1rem;
  border-radius: 4px;
  max-height: 60vh;
  overflow: auto;
  font-size: 0.8rem;
  line-height: 1.45;
}
.bt-icon-user::before { content: "👤"; }
.bt-icon-database::before { content: "🗄"; }
.bt-icon-config::before { content: "⚙"; }
.bt-icon-service::before { content: "⎈"; }

/* Login — tech blue canvas image, centered white card (Servicepro) */
body.login-page {
  min-height: 100vh;
  height: auto;
  background: #F8FAFC;
}
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
  background-color: #F8FAFC;
  background-image: url("/static/img/login-bg-v2.jpg?v=49");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}
.login-panel {
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  padding: 2rem 1.75rem 1.75rem;
  width: 100%;
  max-width: 420px;
}
.login-license-form {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.login-license-form textarea {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  margin-bottom: 0.85rem;
  font-size: 0.82rem;
  font-family: Consolas, "Courier New", monospace;
}
.login-subheading { font-size: 1rem; margin: 0 0 0.35rem; }
.login-machine {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}
.login-machine .machine-code {
  display: inline-block;
  padding: 0.35rem 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  background: #F1F5F9;
  border-radius: 6px;
}
.login-panel h1 { margin: 0 0 0.25rem; font-size: 1.35rem; color: var(--text); }
.login-panel .subtitle { color: var(--text-muted); margin-bottom: 1.25rem; font-size: 0.85rem; }
.login-panel label { display: block; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.login-panel input {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
  background: #fff;
}
.login-panel input:focus {
  outline: none;
  border-color: #2563EB;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.login-panel .btn.primary {
  width: 100%;
  padding: 0.6rem;
  font-size: 0.95rem;
  border-radius: 8px;
  margin-top: 0.25rem;
}
.login-brand {
  text-align: center;
  margin-bottom: 1.25rem;
  color: var(--text);
}
.login-brand h2 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: #0F172A;
}
.login-brand h2::before {
  content: "F3";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  color: #fff;
  background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
}
.login-brand p {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.login-brand .login-org-name {
  margin-top: 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
}
.login-captcha {
  margin: 0.75rem 0 0.25rem;
  padding: 0.75rem;
  background: #F1F5F9;
  border-radius: 8px;
  border: 1px solid #E2E8F0;
}
.login-captcha label {
  font-weight: 600;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-muted);
}

/* BioTime tab bar & settings forms */
.bt-tabbar {
  background: #e8eaed;
  border-bottom: 1px solid var(--border);
  padding: 0.35rem 0.75rem 0;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.bt-tab {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  background: #fff;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  font-size: 0.82rem;
  color: var(--text);
}
.bt-tab.active { font-weight: 600; border-top: 2px solid var(--bt-green); }
.bt-inner-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 0.75rem;
}
.bt-inner-tab {
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.bt-inner-tab:hover { color: var(--text); text-decoration: none; }
.bt-inner-tab.active {
  color: var(--bt-green-dark);
  font-weight: 600;
  border-bottom-color: var(--bt-green);
}
.bt-settings-form { background: #fff; min-height: 320px; }
.bt-form-panel { padding: 1.25rem 1.5rem; max-width: 640px; }
.bt-form-panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
    max-width: none;
}
.bt-check-yes { color: var(--bt-accent, #06B6D4); font-weight: 700; }
.bt-form-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}
.bt-form-label { text-align: right; padding-top: 0.35rem; color: var(--text-muted); font-size: 0.85rem; }
.bt-form-label.required::after { content: " *"; color: #e53935; }
.bt-form-field select,
.bt-form-field input[type="number"],
.bt-form-field input[type="time"],
.bt-select {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.85rem;
  min-width: 12rem;
}
.bt-time-range {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}
.bt-time-range input[type="time"] {
  min-width: 7rem;
}
.bt-form-actions { padding: 0.75rem 1.5rem 1rem; border-top: 1px solid var(--border); display: flex; gap: 0.65rem; }
.bt-filter-form label { font-size: 0.82rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 0.15rem; }
.status-warn { color: #e65100; font-weight: 600; }
.checkbox-label { display: flex; align-items: center; gap: 0.4rem; font-size: 0.88rem; }
.bt-hidden { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Modal (BioTime Add dialog) */
.bt-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.bt-modal {
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
  width: min(920px, 96vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}
.bt-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}
.bt-modal-header h2 { margin: 0; font-size: 1rem; }
.bt-modal-close { font-size: 1.5rem; color: var(--text-muted); text-decoration: none; line-height: 1; }
.bt-modal-body { padding: 0; overflow: auto; }
.bt-modal-split { display: grid; grid-template-columns: 220px 1fr; min-height: 320px; }
.bt-modal-left {
  border-right: 1px solid var(--border);
  padding: 0.75rem;
  background: #fafbfc;
}
.bt-modal-right { padding: 0.75rem 1rem; }
.bt-week-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem 0.75rem;
  font-size: 0.88rem;
}
.bt-week-day { display: flex; align-items: center; gap: 0.35rem; cursor: pointer; }
.bt-modal-panel-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.bt-dept-list { max-height: 280px; overflow-y: auto; }
.bt-dept-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0;
  font-size: 0.88rem;
  cursor: pointer;
}
a.bt-dept-link {
  display: block;
  padding: 0.4rem 0.5rem;
  margin: 0 -0.5rem;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 3px;
}
a.bt-dept-link:hover { background: var(--sidebar-hover); color: #fff; text-decoration: none; }
a.bt-dept-link.active {
  background: rgba(122, 193, 67, 0.25);
  color: var(--sidebar-active);
  font-weight: 600;
}
.bt-form-row.compact {
  grid-template-columns: 100px 1fr;
  margin-bottom: 0.65rem;
}
.bt-table-compact th, .bt-table-compact td { padding: 0.35rem 0.5rem; font-size: 0.82rem; }
.bt-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: #fafbfc;
}
.field-error { color: var(--danger); font-size: 0.8rem; display: block; margin-top: 0.25rem; }

.bt-modal-wide { width: min(720px, 96vw); }
.bt-modal-timetable { width: min(860px, 96vw); }
.bt-modal-shift { width: min(820px, 96vw); }
.bt-modal-device { width: min(760px, 96vw); }

/* Device add dialog — two columns like ZKBio Time */
.bt-device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
  padding: 0.75rem 1rem 0.25rem;
}
.bt-device-col {
  min-width: 0;
  padding: 0 0.5rem;
}
.bt-device-col:first-child {
  border-right: 1px solid var(--border);
  padding-left: 0;
}
.bt-device-col:last-child {
  padding-right: 0;
}
.bt-device-grid .bt-form-row.compact {
  grid-template-columns: minmax(6.5rem, 7.5rem) minmax(0, 1fr);
  gap: 0.65rem;
}
.bt-device-grid .bt-form-label {
  text-align: left;
  padding-top: 0.35rem;
}
.bt-device-grid .bt-form-field select,
.bt-device-grid .bt-form-field input[type="number"],
.bt-device-grid .bt-form-field input[type="text"] {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.bt-field-with-unit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.bt-field-with-unit input[type="number"] {
  width: 5rem !important;
  flex: 0 0 auto;
}
.bt-field-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bt-table-device-wrap {
  overflow-x: auto;
}
.bt-table-device th,
.bt-table-device td {
  white-space: nowrap;
}
.bt-table-device .bt-col-check {
  width: 2rem;
}
.bt-table-device .bt-col-state {
  width: 7.5rem;
  text-align: left;
}
.bt-table-device .bt-col-actions {
  width: 4.5rem;
}
.bt-status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
}
.bt-status-dot.online {
  background: #43a047;
}
.bt-status-dot.offline {
  background: #e53935;
}
.bt-device-status {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}
.bt-device-status.upload {
  color: #1565c0;
}
.bt-device-status.download {
  color: #7b1fa2;
}
.bt-device-status.online {
  color: #2e7d32;
}
.bt-device-status.offline {
  color: #c62828;
}
.bt-device-status.unauthorized {
  color: #6d4c41;
}
.bt-row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}
.bt-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border: none;
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0;
}
.bt-action-btn.edit {
  color: #43a047;
}
.bt-action-btn.delete {
  color: #e53935;
}
.bt-action-btn:hover {
  background: #f0f2f5;
}

/* Shift add dialog — equal columns, contained timetable preview */
.bt-shift-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 260px;
}
.bt-shift-col-left {
  border-right: 1px solid var(--border);
  padding: 0.75rem 1rem;
  background: #fafbfc;
  min-width: 0;
  overflow: hidden;
}
.bt-shift-col-right {
  padding: 0.75rem 1rem;
  min-width: 0;
}
.bt-shift-hint {
  font-size: 0.85rem;
  margin: 0 0 0.65rem;
  line-height: 1.35;
}
.bt-shift-footer-hint {
  margin: 0.75rem 1rem 0;
  padding-bottom: 0.25rem;
}
.bt-shift-grid .bt-form-row.compact {
  grid-template-columns: minmax(5rem, 6.5rem) minmax(0, 1fr);
  gap: 0.65rem;
}
.bt-shift-grid .bt-form-label {
  text-align: left;
  padding-top: 0.35rem;
}
.bt-shift-grid .bt-form-field select,
.bt-shift-grid .bt-form-field input[type="number"] {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.bt-shift-timetable-table {
  margin-top: 0.5rem;
  max-height: 10.5rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #fff;
}
.bt-shift-timetable-table .bt-table {
  width: 100%;
  table-layout: fixed;
  margin: 0;
}
.bt-shift-timetable-table th:nth-child(1),
.bt-shift-timetable-table td:nth-child(1) { width: 46%; }
.bt-shift-timetable-table th:nth-child(n+2),
.bt-shift-timetable-table td:nth-child(n+2) { width: 18%; }
.bt-shift-timetable-table th,
.bt-shift-timetable-table td {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bt-week-grid-shift {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 14rem;
}

@media (max-width: 720px) {
  .bt-shift-grid { grid-template-columns: 1fr; }
  .bt-shift-col-left { border-right: none; border-bottom: 1px solid var(--border); }
}

/* Timetable add dialog — equal columns so time inputs do not overlap */
.bt-timetable-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-width: 0;
}
.bt-timetable-col {
  padding: 0.75rem 1rem;
  min-width: 0;
}
.bt-timetable-col-in {
  border-right: 1px solid var(--border);
  background: #fafbfc;
}
.bt-timetable-mid {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding: 0.75rem 1rem;
  background: #fafbfc;
}
.bt-timetable-mid-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 1.25rem;
}
.bt-timetable-hint {
  margin: 0.75rem 1rem 0;
  padding-bottom: 0.25rem;
}
.bt-modal-form-head {
  padding: 0.75rem 1rem 0.25rem;
}
.bt-modal-form-head .bt-form-row.compact {
  grid-template-columns: minmax(8rem, 10rem) minmax(0, 1fr);
  gap: 0.65rem;
}
.bt-modal-form-head .bt-form-label { text-align: left; }
.bt-modal-form-head .bt-form-field input { max-width: 20rem; width: 100%; box-sizing: border-box; }
.bt-timetable-grid .bt-form-row.compact {
  grid-template-columns: minmax(6.5rem, 8.5rem) minmax(0, 1fr);
  gap: 0.65rem;
}
.bt-timetable-grid .bt-form-label {
  text-align: left;
  padding-top: 0.35rem;
  line-height: 1.25;
}
.bt-timetable-grid .bt-form-field input[type="time"],
.bt-timetable-grid .bt-form-field input[type="number"],
.bt-timetable-grid .bt-form-field select {
  min-width: 0;
  width: 100%;
  max-width: 11rem;
  box-sizing: border-box;
}
.bt-timetable-grid-rules .bt-form-row.compact {
  grid-template-columns: minmax(8.5rem, 10.5rem) minmax(0, 1fr);
}
.bt-timetable-grid-rules .bt-form-field input[type="number"],
.bt-timetable-grid-rules .bt-form-field select {
  max-width: none;
}

@media (max-width: 720px) {
  .bt-timetable-grid { grid-template-columns: 1fr; }
  .bt-timetable-col-in { border-right: none; border-bottom: 1px solid var(--border); }
  .bt-timetable-mid-fields { grid-template-columns: 1fr; }
}

/* Employee search picker (ZKT / BioTime style) */
.bt-emp-picker {
  position: relative;
  width: 100%;
  max-width: 420px;
}
.bt-emp-picker-value { display: none !important; }
.bt-emp-picker-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 34px;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #fff;
  font-size: 0.88rem;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.bt-emp-picker.open .bt-emp-picker-trigger,
.bt-emp-picker-trigger:focus {
  border-color: var(--bt-green);
  outline: none;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18);
}
.bt-emp-filter-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.bt-emp-filter {
  display: inline-block;
  width: 16rem;
  max-width: 16rem;
  vertical-align: middle;
}
.bt-toolbar .bt-emp-filter,
.bt-preview-filters .bt-emp-filter {
  width: 16rem;
  max-width: 18rem;
}
.bt-emp-filter .bt-emp-picker-trigger {
  min-height: 32px;
  font-size: 0.85rem;
}
.bt-emp-filter .bt-emp-picker-panel {
  z-index: 50;
  min-width: 100%;
  width: max(100%, 18rem);
}
.bt-emp-picker-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bt-emp-picker-arrow {
  flex-shrink: 0;
  margin-left: 0.5rem;
  font-size: 0.65rem;
  color: var(--text-muted);
}
.bt-emp-picker-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 2px);
  z-index: 40;
  background: #fff;
  border: 1px solid var(--bt-green);
  border-radius: 3px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  max-height: 280px;
  display: flex;
  flex-direction: column;
}
.bt-emp-picker-panel[hidden] { display: none !important; }
.bt-emp-picker-search-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}
.bt-emp-picker-search-icon {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1;
}
.bt-emp-picker-search {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.88rem;
  background: transparent;
}
.bt-emp-picker-list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
  overflow-y: auto;
  max-height: 220px;
}
.bt-emp-picker-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.65rem;
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  font-size: 0.86rem;
}
.bt-emp-picker-option[hidden] {
  display: none !important;
}
.bt-emp-picker-option:hover,
.bt-emp-picker-option.selected {
  background: #e8f5e9;
}
.bt-emp-picker-code {
  font-weight: 600;
  color: var(--text);
}
.bt-emp-picker-name { color: var(--text); }
.bt-emp-picker-dept {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.bt-emp-picker-empty,
.bt-emp-picker-none {
  padding: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  list-style: none;
}
.bt-emp-picker.has-error .bt-emp-picker-trigger {
  border-color: var(--danger);
}
.bt-modal-tabs { padding: 0 1rem; margin: 0; border-bottom: 1px solid var(--border); }
.bt-modal-tabs .bt-inner-tab {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}
.bt-color-swatch {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border-radius: 2px;
  border: 1px solid var(--border);
  vertical-align: middle;
  margin-right: 0.35rem;
}
.bt-color-field { display: flex; align-items: center; gap: 0.5rem; }
.bt-color-field input[type=color] { width: 3rem; height: 2rem; padding: 0; border: 1px solid var(--border); }
.bt-color-preview { width: 1.5rem; height: 1.5rem; border-radius: 2px; border: 1px solid var(--border); }

@media (max-width: 720px) {
  .bt-modal-split { grid-template-columns: 1fr; }
  .bt-modal-left { border-right: none; border-bottom: 1px solid var(--border); }
}

/* Schedule preview + transaction-style reports */
.bt-preview-page {
  flex: 1;
  min-height: 0;
}
.bt-preview-page .bt-tabbar {
  flex-shrink: 0;
  text-decoration: none;
}
.bt-preview-page .bt-tabbar .bt-tab { text-decoration: none; color: var(--text); }
.bt-preview-page form.bt-preview-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.bt-preview-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.bt-preview-sidebar {
  width: 180px;
  min-width: 180px;
  border-right: 1px solid var(--border);
  background: #fafbfc;
  padding: 0.75rem;
  overflow-y: auto;
  flex-shrink: 0;
}
.bt-preview-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  background: #fff;
}
.bt-preview-main > .bt-toolbar,
.bt-preview-main > .bt-preview-filters {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 1rem;
}
.bt-preview-main > .bt-page-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.bt-page-body > .bt-table-panel {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.bt-page-body > .bt-table-pager {
  flex-shrink: 0;
  margin-top: auto;
}
.bt-preview-main > .bt-footer {
  margin-top: 0;
}
.bt-preview-main > .bt-footer {
  flex-shrink: 0;
}
.bt-page > .bt-tabbar { flex-shrink: 0; }
.bt-page > .bt-page-header,
.bt-page > .bt-toolbar { flex-shrink: 0; }
.bt-page > .bt-page-body { flex: 1; min-height: 0; }
.bt-page > .bt-page-body-scroll { flex: 1; min-height: 0; }
.bt-page > .bt-footer { flex-shrink: 0; }

/* Toolbar + table pages that POST from one form (manual log, holiday, leave, …) */
.bt-page-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
.bt-page-form > .bt-toolbar {
  flex-shrink: 0;
}
.bt-page-form > .bt-page-body {
  flex: 1;
  min-height: 0;
}

/* Department schedule — table + right assignment preview (ZKBio style) */
.bt-dept-schedule-page {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}
.bt-dept-schedule-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.bt-dept-schedule-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.bt-dept-schedule-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.bt-dept-schedule-main > .bt-page-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
}
.bt-dept-schedule-main > .bt-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--border);
}
.bt-table tbody tr.bt-schedule-row {
  cursor: pointer;
}
.bt-table tbody tr.bt-schedule-row.selected {
  background: #e8f4e4;
}
.bt-table tbody tr.bt-schedule-row.selected td {
  background: transparent;
}
.bt-table tbody tr.bt-schedule-row:hover {
  background: #f5faf3;
}
.bt-assignment-preview {
  width: 280px;
  min-width: 280px;
  max-width: 280px;
  border-left: 1px solid var(--border);
  background: #fff;
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex-shrink: 0;
}
.bt-assignment-preview-head {
  padding: 0.85rem 1rem 0.5rem;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}
.bt-assignment-preview-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.3;
}
.bt-assignment-preview-dept {
  font-size: 0.78rem;
  margin-top: 0.15rem;
}
.bt-assignment-preview-filter {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.bt-assignment-preview-filter input[type="date"] {
  flex: 1;
  min-width: 0;
  padding: 0.25rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.78rem;
}
.bt-assignment-preview-sep {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.bt-assignment-preview-search {
  padding: 0.3rem 0.55rem;
  font-size: 0.78rem;
  flex-shrink: 0;
}
.bt-assignment-preview-days {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0.35rem 0;
}
.bt-assignment-day {
  display: flex;
  align-items: stretch;
  min-height: 2.35rem;
  border-bottom: 1px solid #eef1ee;
}
.bt-assignment-day-date {
  width: 5.5rem;
  flex-shrink: 0;
  background: var(--bt-green, #2563EB);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.4rem;
  text-align: center;
  line-height: 1.2;
}
.bt-assignment-day-time {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  background: #fdfcf7;
  color: var(--text);
  line-height: 1.25;
  word-break: break-word;
}
.bt-assignment-day.is-off .bt-assignment-day-date {
  background: #c5d4bc;
}
.bt-assignment-day.is-off .bt-assignment-day-time {
  background: #fafafa;
  color: var(--text-muted);
}
.bt-assignment-preview-empty,
.bt-assignment-preview-empty-inline {
  padding: 1.25rem 1rem;
  font-size: 0.85rem;
  line-height: 1.45;
}

@media (max-width: 960px) {
  .bt-dept-schedule-layout { flex-direction: column; }
  .bt-assignment-preview {
    width: 100%;
    max-width: none;
    min-width: 0;
    max-height: 320px;
    border-left: none;
    border-top: 1px solid var(--border);
  }
}
.bt-schedule-grid-wrap { overflow: auto; max-height: calc(100vh - 220px); }
.bt-schedule-grid .day-col { text-align: center; min-width: 2.2rem; padding: 0.35rem 0.25rem; }
.bt-schedule-grid th.day-col { font-size: 0.78rem; background: #eef1f4; }
.bt-shift-cell {
  display: inline-block;
  min-width: 1.5rem;
  padding: 0.1rem 0.25rem;
  border-radius: 2px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.bt-shift-cell.filled { background: #e8f5e9; color: #2e7d32; font-weight: 600; }
.bt-schedule-grid .sticky-col { position: sticky; left: 0; background: #fff; z-index: 2; min-width: 5rem; }
.bt-schedule-grid .sticky-col2 { position: sticky; left: 5rem; background: #fff; z-index: 2; min-width: 5rem; }
.bt-schedule-grid .sticky-col3 { position: sticky; left: 10rem; background: #fff; z-index: 2; min-width: 6rem; }

/* Workbench tabs (ZKBio-style multi-page) */
.bt-workbench {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.bt-workbench-tabs {
  display: flex;
  align-items: flex-end;
  gap: 0.15rem;
  padding: 0.35rem 0.5rem 0;
  background: #e8eaed;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
}
.bt-workbench-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 14rem;
  padding: 0.42rem 0.55rem 0.42rem 0.75rem;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  background: #f4f5f7;
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
}
.bt-workbench-tab:hover { background: #fff; }
.bt-workbench-tab.active {
  background: #fff;
  font-weight: 600;
  border-top: 2px solid var(--bt-green);
  padding-top: calc(0.42rem - 1px);
}
.bt-workbench-tab-label {
  overflow: hidden;
  text-overflow: ellipsis;
}
.bt-workbench-tab-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 2px;
  color: #666;
  font-size: 1rem;
  line-height: 1;
}
.bt-workbench-tab-close:hover {
  background: rgba(0, 0, 0, 0.08);
  color: #111;
}
.bt-workbench-panels {
  flex: 1;
  min-height: 0;
  position: relative;
  overflow: hidden;
  background: var(--content-bg);
}
.bt-workbench-panel {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.bt-workbench-panel.active { display: flex; }
.bt-workbench-panel > .bt-page,
.bt-workbench-panel > .bt-messages + .bt-page {
  flex: 1;
  min-height: 0;
}
.bt-workbench-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}
body.bt-embed {
  margin: 0;
  min-height: 100vh;
  background: var(--content-bg);
}
body.bt-embed .bt-page {
  min-height: 100vh;
  margin: 0;
}
body.bt-embed .bt-messages {
  margin: 0;
}
body.bt-embed .bt-tabbar {
  display: none;
}
html.bt-in-iframe .bt-topbar,
html.bt-in-iframe .bt-sidebar,
html.bt-in-iframe .bt-workbench-tabs {
  display: none !important;
}
.bt-monitoring-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border);
}
.bt-stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
}
.bt-stat-card.online { border-left: 3px solid #43a047; }
.bt-stat-card.offline { border-left: 3px solid #e53935; }
.bt-stat-card.communicated { border-left: 3px solid #1e88e5; }
.bt-stat-label { display: block; font-size: 0.78rem; color: var(--muted); }
.bt-stat-value { font-size: 1.35rem; color: var(--text); }
.bt-monitoring-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 0;
  align-items: start;
}
.bt-monitoring-feed { min-width: 0; }
.bt-monitoring-reports { margin: 1rem; }
.bt-section-title { font-size: 0.95rem; margin: 0; font-weight: 600; }
.bt-punch-thumb {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  vertical-align: middle;
}
.bt-punch-thumb-empty {
  display: inline-block;
  width: 48px;
  text-align: center;
  color: var(--muted);
}
.bt-monitor-photo { width: 56px; }
.bt-monitor-row-new { background: #f1f8e9; }
.bt-face-punch-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 4px;
  background: #e3f2fd;
  color: #1565c0;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid #90caf9;
}
.bt-employee-modal-grid {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 1rem;
  align-items: start;
}
.bt-employee-bio-photo {
  width: 140px;
  height: 168px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: block;
  margin-bottom: 0.5rem;
}
.bt-employee-bio-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  color: var(--muted);
  font-size: 0.85rem;
}
.bt-modal-employee .bt-modal-tabs { margin-bottom: 0.75rem; }
@media (max-width: 900px) {
  .bt-monitoring-layout { grid-template-columns: 1fr; }
  .bt-employee-modal-grid { grid-template-columns: 1fr; }
}
html.bt-in-iframe .bt-layout {
  display: block !important;
  height: auto !important;
  min-height: 100vh !important;
}
html.bt-in-iframe .bt-content {
  width: 100% !important;
  max-width: none !important;
}
html.bt-in-iframe .bt-workbench-panel:not(#bt-workbench-home) {
  display: none !important;
}
html.bt-in-iframe #bt-workbench-home {
  display: block !important;
}
.bt-schedule-grid thead th.sticky-col,
.bt-schedule-grid thead th.sticky-col2,
.bt-schedule-grid thead th.sticky-col3 { background: var(--table-head); z-index: 3; }
.bt-person-list { padding: 1rem; display: grid; gap: 0.75rem; }
.bt-person-card h3 { margin: 0 0 0.25rem; font-size: 0.95rem; }
.bt-person-days { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.5rem; }
.bt-day-cell {
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.25rem 0.4rem;
  text-align: center;
  min-width: 2.5rem;
}
.bt-day-num { display: block; font-size: 0.7rem; color: var(--text-muted); }

/* Monthly Check-in & out matrix */
.bt-monthly-matrix-wrap { overflow: auto; max-height: calc(100vh - 240px); }
.bt-monthly-matrix.bt-table th,
.bt-monthly-matrix.bt-table td {
  border: 1px solid #94A3B8;
}
.bt-monthly-matrix .day-col {
  text-align: center;
  min-width: 6.8rem;
  max-width: 8.5rem;
  padding: 0.3rem 0.2rem;
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  vertical-align: middle;
}
.bt-monthly-matrix.has-hours .day-col {
  min-width: 8.8rem;
  max-width: 12rem;
}
.bt-monthly-matrix th.day-col {
  background: var(--table-head);
  color: var(--text);
  font-weight: 600;
  font-size: 0.75rem;
}
.bt-monthly-matrix .punch-cell.has-mp {
  color: var(--danger);
  font-weight: 600;
}
.bt-monthly-matrix .total-col {
  text-align: right;
  min-width: 4.5rem;
  font-weight: 600;
  white-space: nowrap;
}
.bt-monthly-matrix tbody tr:nth-child(even) td { background: #F1F5F9; }
.bt-monthly-matrix tbody tr:nth-child(even) td.sticky-col,
.bt-monthly-matrix tbody tr:nth-child(even) td.sticky-col2 { background: #F1F5F9; }
.bt-monthly-matrix tbody tr:hover td { background: var(--table-hover); }
.bt-filter-form .bt-hours-filter {
  margin: 0 0.35rem 0 0.15rem;
  white-space: nowrap;
}
.bt-report-loading {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
}
.bt-report-loading[hidden] { display: none !important; }
.bt-report-loading-card {
  background: #fff;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.2);
  text-align: center;
  min-width: 240px;
}
.bt-report-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 0.75rem;
  border: 3px solid #E2E8F0;
  border-top-color: #2563EB;
  border-radius: 50%;
  animation: bt-spin 0.8s linear infinite;
}
@keyframes bt-spin { to { transform: rotate(360deg); } }
body.bt-report-busy { cursor: progress; }
.bt-mp-legend {
  display: inline-block;
  padding: 0.05rem 0.35rem;
  background: #FEE2E2;
  color: var(--danger);
  font-weight: 700;
  border-radius: 3px;
  font-size: 0.8rem;
}