:root {
  --bg: oklch(1 0 0);
  --surface: oklch(.975 0 0);
  --ink: oklch(.25 .008 80);
  --muted: oklch(.46 .008 80);
  --line: oklch(.88 .006 80);
  --primary: oklch(.46 .10 80);
  --primary-hover: oklch(.38 .085 80);
  --selected: oklch(.96 .025 80);
  --danger: oklch(.45 .15 26);
  --success: oklch(.40 .08 155);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.55;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.35; text-wrap: balance; }
h1 { font-size: 1.85rem; letter-spacing: -.025em; font-weight: 650; }
h2 { font-size: 1.13rem; font-weight: 650; }
h3 { font-size: 1.05rem; font-weight: 650; }
p { text-wrap: pretty; }
a { color: var(--primary); text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); }
button { min-height: 44px; padding: 9px 16px; cursor: pointer; font-weight: 600; white-space: nowrap; line-height: 1.4; transition: background-color 160ms ease-out, border-color 160ms ease-out; }
button:hover:not(:disabled) { border-color: var(--muted); background: var(--surface); }
button:active:not(:disabled) { background: var(--selected); }
button:disabled { opacity: .5; cursor: not-allowed; }
button[aria-busy="true"] { cursor: wait; opacity: .65; }
button.primary { background: var(--primary); border-color: var(--primary); color: var(--bg); }
button.primary:hover:not(:disabled) { background: var(--primary-hover); border-color: var(--primary-hover); }
button.text-button { border: 0; background: transparent; padding-inline: 4px; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; font-size: .9rem; }
button.danger, .danger { color: var(--danger); }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
input, select, textarea { display: block; width: 100%; min-width: 0; min-height: 44px; margin-top: 7px; padding: 9px 11px; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
textarea { resize: vertical; }
label { font-size: .93rem; font-weight: 550; min-width: 0; }
input[type="checkbox"] { width: 18px; height: 18px; min-height: 18px; margin: 0; flex: 0 0 18px; accent-color: var(--primary); }
.check-row { display: flex; align-items: center; gap: 9px; min-height: 44px; font-weight: 400; }
.muted { color: var(--muted); font-size: .9rem; }
.skip-link { position: fixed; left: 16px; top: -80px; padding: 12px; background: var(--bg); z-index: 10; }
.skip-link:focus { top: 12px; }
.site-header { max-width: 1160px; margin: 0 auto; min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 32px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: .95rem; font-weight: 600; text-decoration: none; color: var(--ink); }
.brand-divider { color: var(--line); font-weight: 400; }
.brand > span:last-child { color: var(--muted); font-weight: 400; }
#settings-toggle { border-color: transparent; padding-inline: 12px; }
.page { max-width: 1160px; margin: 0 auto; padding: 36px 32px 64px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.connection-status { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); }
.connection-status::before { content: ''; width: 7px; height: 7px; background: var(--muted); border-radius: 50%; flex-shrink: 0; }
.connection-status.connected::before { background: var(--success); }
.main-nav { display: flex; gap: 24px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.nav-tab { border: 0; border-radius: 0; padding: 0 2px 14px; color: var(--muted); min-height: 44px; }
.nav-tab[aria-current="page"] { color: var(--primary); box-shadow: inset 0 -2px var(--primary); }
.nav-tab:hover:not(:disabled) { background: transparent; color: var(--ink); }
.workspace-grid { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 40px; align-items: start; }
.workspace-grid > section { min-width: 0; }
.monitor-panel { border-left: 1px solid var(--line); padding-left: 26px; min-width: 0; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.readonly-badge { display: inline-flex; padding: 3px 8px; border-radius: 4px; font-size: .78rem; color: var(--primary); background: var(--selected); white-space: nowrap; }
.filter-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.segmented { display: inline-flex; gap: 3px; background: var(--surface); padding: 3px; border-radius: 8px; }
.segmented button { border-color: transparent; background: transparent; font-weight: 500; min-width: 76px; }
.segmented button[aria-pressed="true"] { background: var(--bg); border-color: var(--line); color: var(--primary); font-weight: 600; }
.segmented.small button { min-height: 36px; padding: 5px 11px; min-width: 56px; font-size: .86rem; }
.filter-fields { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) auto; gap: 14px; align-items: end; }
.preference-details { margin-top: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
summary { cursor: pointer; min-height: 44px; display: list-item; align-content: center; font-size: .93rem; font-weight: 550; }
summary::marker { color: var(--muted); }
details[open] > summary { margin-bottom: 12px; }
#preference-count { color: var(--primary); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips:not(:empty) { margin-bottom: 12px; }
.chip { min-height: 40px; padding: 7px 12px; font-size: .9rem; font-weight: 500; }
.chip.selected, .seat-choice.selected { border-color: var(--primary); background: var(--selected); color: var(--primary); }
.results-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 26px; min-height: 44px; }
.status-line { margin-top: 10px; overflow-wrap: anywhere; }
.status-line:empty { display: none; }
.seat-results { margin-top: 16px; }
.seat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.seat-choice { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 12px; min-height: 80px; text-align: left; white-space: normal; }
.seat-choice strong { font-size: 1.04rem; font-weight: 650; overflow-wrap: anywhere; }
.seat-area, .seat-state { font-size: .78rem; font-weight: 400; color: var(--muted); line-height: 1.5; }
.seat-choice.occupied { background: var(--surface); }
.seat-choice.selected::after { content: '已选'; font-size: .75rem; line-height: 1.5; margin-top: 3px; }
.seat-choice.selected .seat-area { color: var(--primary); }
.empty-state { color: var(--muted); padding: 28px 8px; font-size: .93rem; line-height: 1.7; }
#monitor-summary { margin-bottom: 18px; }
#seat-monitor { margin-bottom: 6px; }
.job-row { padding: 20px 0; border-bottom: 1px solid var(--line); }
.job-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: start; gap: 7px 12px; }
.job-heading strong { font-size: .94rem; font-weight: 600; }
.job-heading > span { font-size: .8rem; white-space: nowrap; }
.job-row > p { margin-top: 7px; }
.job-state { font-size: .85rem; overflow-wrap: anywhere; }
.active-state { color: var(--success); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; }
.job-row .actions { margin-top: 10px; }
.secondary-details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.secondary-details > summary { color: var(--muted); }
.record-row { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .87rem; overflow-wrap: anywhere; }
.record-row time { display: block; margin-bottom: 5px; font-size: .8rem; }
.record-row:last-child { border-bottom: 0; }
.record-toolbar { margin-bottom: 10px; }
.record-toolbar a { font-size: .85rem; }
.record-toolbar button { font-size: .85rem; padding-inline: 10px; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 18px; }
.pagination:empty { display: none; }
.pagination button { padding-inline: 11px; font-size: .85rem; }
.monitor-panel .pagination { flex-wrap: wrap; gap: 7px; }
.monitor-panel .pagination button { padding-inline: 7px; }
.notice { background: var(--selected); color: var(--primary); padding: 12px 16px; border-radius: 7px; margin-bottom: 24px; overflow-wrap: anywhere; }
.notice.error { background: oklch(.97 .015 26); color: var(--danger); }
.connection-prompt { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 16px; background: var(--surface); border-radius: 8px; margin-bottom: 28px; }
.form-stack { display: flex; flex-direction: column; align-items: stretch; gap: 18px; }
.form-stack > button { align-self: flex-start; }
.login-panel { max-width: 360px; padding-top: 36px; margin: 0 auto; }
.login-panel h1 { margin-bottom: 28px; font-size: 1.5rem; }
.settings-view { padding-bottom: 24px; }
.settings-view > .section-heading { margin-bottom: 28px; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; }
.settings-grid section > h3 { margin-bottom: 8px; }
.settings-grid section > .form-stack { margin-top: 22px; }
.settings-grid .secondary-details { margin-top: 12px; }
.account-actions { margin-top: 22px; }
.two-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.room-fields { display: grid; grid-template-columns: .65fr 1fr 1fr; gap: 14px; }
.room-modes { align-self: flex-start; margin-bottom: 5px; }
.room-modes button { min-width: 0; }
.partial-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; }
.partial-row > label:not(.check-row) { display: flex; align-items: center; gap: 12px; }
.partial-row select { width: auto; margin: 0; }
#room-booking-fields { padding-top: 20px; border-top: 1px solid var(--line); }
#room-status:empty, #room-person-rule:empty { display: none; }
#room-intervals:empty { display: none; }
@media (min-width: 1000px) { .monitor-panel { position: sticky; top: 24px; max-height: calc(100vh - 48px); overflow-y: auto; overscroll-behavior: contain; } }
@media (max-width: 950px) {
  .workspace-grid { grid-template-columns: minmax(0, 1fr) 250px; gap: 24px; }
  .monitor-panel { padding-left: 20px; }
  .filter-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-fields > button { justify-self: start; }
  .seat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .room-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .room-fields > label:last-child { grid-column: 1 / -1; }
  .settings-grid { gap: 32px; }
}
@media (max-width: 700px) {
  .site-header { min-height: 68px; padding: 12px 20px; }
  .brand { gap: 8px; font-size: .87rem; }
  .page { padding: 26px 20px 48px; }
  h1 { font-size: 1.55rem; }
  .page-heading { align-items: flex-start; flex-direction: column; gap: 10px; margin-bottom: 20px; }
  .connection-status { font-size: .82rem; }
  .main-nav { margin-bottom: 24px; }
  .workspace-grid { display: flex; flex-direction: column; gap: 32px; }
  .workspace-grid > section, .monitor-panel { width: 100%; }
  .monitor-panel { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0 0; }
  .filter-top { margin-bottom: 20px; }
  .filter-fields { gap: 14px 12px; }
  .filter-fields > button { grid-column: 1 / -1; }
  .preference-details { padding-bottom: 14px; }
  .results-heading { margin-top: 18px; }
  .seat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .seat-choice { padding: 9px; min-height: 78px; }
  .seat-choice strong { font-size: .95rem; }
  .seat-area { font-size: .73rem; }
  .settings-grid { grid-template-columns: 1fr; gap: 32px; }
  .settings-grid > section + section { padding-top: 28px; border-top: 1px solid var(--line); }
  .record-row { padding-block: 16px; }
  .job-heading { justify-content: flex-start; gap: 14px; }
}
@media (max-width: 380px) {
  .site-header { padding-inline: 16px; }
  .page { padding-inline: 16px; }
  .brand > span:last-child, .brand-divider { display: none; }
  .seat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .results-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .two-fields { grid-template-columns: 1fr; }
  .room-modes button { padding-inline: 10px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }