:root {
  --bg: #f4f6f5;
  --panel: #ffffff;
  --text: #202522;
  --muted: #64706a;
  --line: #dce3df;
  --nav: #12312b;
  --nav-soft: #e9f1ee;
  --accent: #0f766e;
  --accent-dark: #0b5d57;
  --danger: #b42318;
  --danger-soft: #fde8e4;
  --free: #f8fbfa;
  --reserved: #ecf7f4;
  --shadow: 0 18px 45px rgba(18, 49, 43, 0.12);
  --sticky-offset: 0px;
  font-family: Roboto, Segoe UI, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  color: var(--text);
  background: var(--bg);
}

body:not(.authenticated) {
  grid-template-columns: 1fr;
}

body:not(.authenticated) .sidebar,
body:not(.authenticated) .workspace {
  display: none;
}

body.authenticated .login-view {
  display: none;
}

body.installing .login-view {
  display: none;
}

button, input, select, textarea { font: inherit; }

.login-view,
.install-view {
  min-height: 100vh;
  padding: 24px;
  display: grid;
  place-items: center;
  background: var(--nav);
}

.login-card,
.install-card {
  width: min(420px, 100%);
  padding: 26px;
  display: grid;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.install-card {
  width: min(760px, 100%);
}

.login-card h1,
.install-card h1 {
  margin: 4px 0 0;
  color: var(--text);
  font-size: 1.55rem;
  line-height: 1.2;
}

.install-card p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.4;
}

.login-card .eyebrow,
.install-card .eyebrow {
  color: var(--accent-dark);
}

.install-section {
  padding: 16px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
}

.install-section h2 {
  margin: 0;
  font-size: 1rem;
}

.login-help {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.sidebar {
  min-height: 100vh;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: #f7fbf9;
  background: var(--nav);
}

.sidebar h1 {
  margin: 4px 0 0;
  font-size: 1.55rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0;
  color: inherit;
  opacity: 0.72;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.panel {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 0.95rem;
}

.user-panel {
  display: grid;
  gap: 12px;
}

.user-identity {
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.user-identity div {
  min-width: 0;
}

.user-identity strong {
  display: block;
  overflow-wrap: anywhere;
  line-height: 1.2;
}

.user-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.session-button,
.logout-button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #f7fbf9;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  font-weight: 750;
  white-space: nowrap;
}

.session-button,
.logout-button,
.sidebar-action-button,
.prototype-reset-button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.session-button i,
.logout-button i,
.sidebar-action-button i,
.prototype-reset-button i,
.button i {
  width: 1em;
  flex: 0 0 auto;
  text-align: center;
}

.session-button span,
.logout-button span,
.sidebar-action-button span,
.prototype-reset-button span,
.button span {
  min-width: 0;
}

.session-button:hover,
.logout-button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.user-panel span:not(.avatar), .summary-grid span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.avatar {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--nav);
  background: #d6efe8;
  font-weight: 800;
}

.sidebar-action-panel {
  padding: 10px;
  display: grid;
  gap: 8px;
}

.sidebar-action-button {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #f7fbf9;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  font-weight: 850;
}

.sidebar-action-button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.summary-grid div {
  padding: 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.summary-grid strong {
  display: block;
  font-size: 1.6rem;
}

.system-tools-panel,
.prototype-panel {
  display: grid;
  gap: 10px;
}

.prototype-reset-button {
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #ffe5df;
  background: rgba(180, 35, 24, 0.22);
  cursor: pointer;
  font-weight: 800;
}

.prototype-reset-button:hover {
  background: rgba(180, 35, 24, 0.34);
}

.workspace {
  min-width: 0;
  padding: 26px;
}

.setup-view {
  min-height: calc(100vh - 52px);
  display: grid;
  align-items: start;
}

.setup-card {
  width: min(980px, 100%);
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.setup-header h2 {
  margin: 4px 0 6px;
  font-size: 1.5rem;
}

.setup-header p:not(.eyebrow),
.setup-readonly p {
  margin: 0;
  color: var(--muted);
}

.setup-readonly {
  padding: 16px;
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.setup-form {
  display: grid;
  gap: 18px;
}

.setup-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
}

.setup-tab {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px 8px 0 0;
  color: var(--muted);
  background: #fbfcfb;
  cursor: pointer;
  font-weight: 850;
}

.setup-tab:hover {
  color: var(--text);
  background: var(--nav-soft);
}

.setup-tab.active {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.setup-section {
  display: grid;
  gap: 10px;
}

.setup-tab-panel[hidden] {
  display: none;
}

.setup-category-list,
.setup-slot-list {
  display: grid;
  gap: 8px;
}

.setup-category-row,
.setup-slot-row {
  display: grid;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.setup-category-row {
  grid-template-columns: 1fr 90px auto;
}

.setup-category-color {
  min-height: 42px;
  padding: 4px;
}

.setup-slot-row {
  grid-template-columns: 120px 1fr 150px 150px auto;
}

.setup-plan-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 8px;
}

.setup-plan-day {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.setup-plan-day strong {
  font-size: 0.9rem;
}

.setup-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.setup-status {
  min-height: 20px;
  margin: 0;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 750;
}

.workspace-sticky {
  margin-bottom: 16px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.toolbar h2 {
  margin: 3px 0 0;
  font-size: 1.5rem;
}

.actions {
  display: flex;
  align-items: end;
  gap: 8px;
  flex-wrap: wrap;
}

.range-controls,
.view-switch {
  display: flex;
  align-items: end;
  gap: 8px;
}

.toolbar .view-switch {
  margin-top: 12px;
}

.toolbar .view-switch .button {
  min-width: 148px;
  height: 42px;
}

.view-switch .button.active {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.button, .icon-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  background: var(--panel);
  color: var(--text);
  font-weight: 750;
}

.button { padding: 0 14px; }

.icon-button {
  width: 40px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
}

.button.primary {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.button.primary:hover { background: var(--accent-dark); }
.button.secondary:hover, .icon-button:hover { background: var(--nav-soft); }

.button.danger {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #fac7bd;
}

.week-jump {
  display: flex;
  align-items: end;
  gap: 8px;
  margin-left: 4px;
}

.week-jump label {
  min-width: 160px;
  gap: 8px;
  line-height: 1;
}

.week-jump input {
  height: 46px;
  min-height: 46px;
}

.week-jump .button {
  height: 46px;
}

.actions > .button,
.actions > .icon-button {
  height: 46px;
}

.filters {
  margin-bottom: 0;
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 240px;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  color: var(--text);
  background: #fff;
}

textarea { resize: vertical; }

.calendar-wrap,
.month-wrap {
  overflow-x: auto;
  overflow-y: visible;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.calendar {
  min-width: 980px;
  display: grid;
  grid-template-columns: 180px repeat(5, minmax(150px, 1fr));
  isolation: isolate;
}

.month-calendar {
  min-width: 980px;
  display: grid;
  grid-template-columns: repeat(7, minmax(132px, 1fr));
}

.month-head {
  min-height: 48px;
  padding: 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: #f8faf9;
  font-size: 0.82rem;
  font-weight: 850;
}

.month-head:nth-child(7n) {
  border-right: 0;
}

.month-day {
  min-height: 150px;
  padding: 12px;
  display: grid;
  align-content: start;
  gap: 8px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text);
  background: #fff;
  text-align: left;
  cursor: pointer;
}

.month-day:nth-child(7n) {
  border-right: 0;
}

.month-day:hover:not(:disabled) {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.month-day.low {
  --occupancy-color: #52b650;
}

.month-day.medium {
  --occupancy-color: #f2c300;
}

.month-day.high {
  --occupancy-color: #ef3f4b;
}

.month-day.closed,
.month-day.outside {
  color: var(--muted);
  --occupancy-color: #cfd5d2;
  background: #f6f7f7;
  cursor: default;
}

.month-day-number {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--accent-dark);
  background: var(--nav-soft);
  font-size: 1rem;
  font-weight: 850;
}

.month-day strong {
  display: block;
  font-size: 0.95rem;
}

.month-day.closed strong,
.month-day.outside strong {
  margin-top: 28px;
  color: #7c8580;
  font-style: italic;
  text-align: center;
}

.month-day > span:not(.month-day-number) {
  color: var(--muted);
  font-size: 0.82rem;
}

.occupancy-track {
  width: 100%;
  height: 5px;
  display: block;
  border-radius: 999px;
  background: #e7ebe8;
  overflow: hidden;
}

.occupancy-track span {
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--occupancy-color);
}

.month-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.month-categories .category-pill {
  font-size: 0.68rem;
  padding: 3px 7px;
}

.month-legend {
  padding: 12px 14px;
  display: grid;
  grid-template-columns: minmax(240px, auto) minmax(260px, 1fr);
  align-items: start;
  gap: 10px 18px;
  border-top: 1px solid var(--line);
  background: #fbfcfb;
  color: var(--muted);
  font-size: 0.82rem;
}

.month-legend strong {
  grid-column: 1 / -1;
  color: var(--text);
  font-size: 0.84rem;
}

.legend-group {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.month-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.occupancy-legend span {
  white-space: nowrap;
}

.category-legend .category-pill {
  max-width: 180px;
  overflow-wrap: anywhere;
}

.legend-line {
  width: 20px;
  height: 6px;
  display: inline-block;
  border-radius: 999px;
}

.legend-line.low {
  background: #52b650;
}

.legend-line.medium {
  background: #f2c300;
}

.legend-line.high {
  background: #ef3f4b;
}

.legend-line.closed {
  background: #cfd5d2;
}

.cell {
  min-height: 108px;
  padding: 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.slot-cell {
  position: relative;
  z-index: 1;
}

.slot-cell.menu-open {
  z-index: 1000;
}

.cell:nth-child(6n) { border-right: 0; }
.head { min-height: 74px; background: #f8faf9; }
.head strong, .time-cell strong { display: block; }
.head span, .time-cell span, .reservation-meta { color: var(--muted); font-size: 0.82rem; }
.time-cell { background: #fbfcfb; }

.slot-time-edit {
  width: fit-content;
  min-height: 30px;
  margin-top: 8px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent-dark);
  background: #fff;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 800;
}

.slot-time-edit:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--nav-soft);
}

.slot-time-edit:disabled {
  color: var(--muted);
  background: #f1f4f2;
  cursor: not-allowed;
  opacity: 0.75;
}

.time-cell .period {
  display: inline-flex;
  margin-bottom: 6px;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--nav-soft);
  font-size: 0.72rem;
  font-weight: 850;
}

.slot-button {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 84px;
  height: 100%;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
  background: var(--free);
  cursor: pointer;
}

.slot-button:hover {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.slot-button:disabled {
  cursor: default;
}

.slot-button:disabled:hover {
  border-color: var(--line);
  box-shadow: none;
}

.slot-button.reserved {
  background: var(--reserved);
  border-color: #bde1d8;
}

.slot-button.filtered { opacity: 0.38; }

.slot-button.expired {
  background: #f3f5f4;
  border-color: #d5ddd9;
}

.slot-button.expired .holder,
.slot-button.expired .reservation-meta {
  color: var(--muted);
}

.category-menu {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 3;
}

.slot-cell.menu-open .category-menu {
  z-index: 1001;
}

.category-menu-trigger {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.84);
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 850;
  line-height: 1;
}

.category-menu-trigger:hover {
  border-color: var(--line);
  color: var(--text);
  background: #fff;
}

.category-menu-options {
  position: absolute;
  top: 34px;
  right: 0;
  width: 210px;
  padding: 6px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.category-menu-options[hidden] {
  display: none;
}

.category-menu-option {
  width: 100%;
  min-height: 34px;
  padding: 7px 9px;
  border: 0;
  border-radius: 6px;
  color: var(--text);
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-weight: 750;
}

.category-menu-option:hover {
  background: var(--nav-soft);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 850;
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.slot-button.free .status { color: var(--muted); }

.category-pill {
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  color: #111;
  font-size: 0.75rem;
  font-weight: 850;
  line-height: 1.15;
  white-space: normal;
  background: var(--category-color, var(--nav-soft));
}

.holder {
  display: block;
  width: 100%;
  color: var(--text);
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.category {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

dialog {
  width: min(620px, calc(100vw - 28px));
  border: 0;
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
}

.wide-dialog {
  width: min(820px, calc(100vw - 28px));
}

dialog::backdrop { background: rgba(10, 22, 19, 0.52); }

#reservationForm,
#profileForm,
#userForm,
#bulkReservationForm,
#slotTimeForm,
.rules-dialog-content,
.audit-dialog-content,
.setup-preview-content {
  padding: 22px;
  display: grid;
  gap: 16px;
}

.slot-time-dialog {
  width: min(560px, calc(100vw - 28px));
}

#usersDialog {
  width: min(980px, calc(100vw - 28px));
}

.profile-password-section {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

#userForm .form-grid {
  grid-template-columns: minmax(0, 1fr) 160px;
}

#userForm .dialog-actions {
  justify-content: flex-end;
}

.user-management-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(0, 1.5fr);
  gap: 14px;
  align-items: start;
}

.user-list-panel,
.user-editor-panel {
  display: grid;
  gap: 12px;
}

.user-list {
  display: grid;
  gap: 8px;
  max-height: min(52vh, 440px);
  overflow: auto;
  padding-right: 4px;
}

.user-list > p {
  margin: 0;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fbfcfb;
}

.user-list-item {
  width: 100%;
  min-height: 68px;
  padding: 10px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: #fbfcfb;
  cursor: pointer;
  text-align: left;
}

.user-list-item:hover,
.user-list-item.selected {
  border-color: var(--accent);
  background: var(--nav-soft);
}

.user-list-item.inactive {
  opacity: 0.62;
}

.user-list-item strong,
.user-list-item small {
  display: block;
}

.user-list-item small,
.user-list-item em {
  color: var(--muted);
  font-size: 0.78rem;
  font-style: normal;
}

.small-avatar {
  width: 34px;
  height: 34px;
  font-size: 0.82rem;
}

.dialog-header, .dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.dialog-header h2 {
  margin: 3px 0 0;
  font-size: 1.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 12px;
}

.slot-time-grid {
  grid-template-columns: 1fr 1fr;
}

.participants-section {
  display: grid;
  gap: 10px;
  padding-top: 2px;
}

.participants-section[hidden] {
  display: none;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.section-heading h3 {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
}

.section-heading span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.participants-list {
  display: grid;
  gap: 8px;
  max-height: 230px;
  overflow: auto;
  padding-right: 4px;
}

.participant-row {
  display: grid;
  grid-template-columns: 34px minmax(150px, 0.8fr) minmax(220px, 1.2fr);
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.autocomplete-menu {
  position: fixed;
  z-index: 3000;
  display: grid;
  gap: 2px;
  max-height: 220px;
  overflow: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 36px rgba(12, 35, 32, 0.16);
}

.autocomplete-menu[hidden] {
  display: none;
}

.autocomplete-menu button {
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 750;
  text-align: left;
  cursor: pointer;
}

.autocomplete-menu button:hover,
.autocomplete-menu button:focus {
  background: var(--soft);
  outline: none;
}

.bulk-preview-section {
  display: grid;
  gap: 10px;
}

.bulk-preview-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
  padding-right: 4px;
}

.bulk-preview-list p {
  margin: 0;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fbfcfb;
}

.bulk-preview-row {
  display: grid;
  grid-template-columns: minmax(130px, 0.9fr) minmax(160px, auto) minmax(180px, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.bulk-preview-row.available {
  border-color: #bde1d8;
  background: var(--reserved);
}

.bulk-preview-row.occupied {
  border-color: #fac7bd;
  background: var(--danger-soft);
}

.bulk-preview-row strong,
.bulk-preview-row span {
  display: block;
}

.bulk-preview-row span {
  color: var(--muted);
  font-size: 0.82rem;
}

.bulk-preview-row .category-pill {
  width: fit-content;
  display: inline-flex;
  color: #111;
}

.participant-index {
  width: 28px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--accent-dark);
  background: var(--nav-soft);
  font-weight: 850;
}

.message {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
  font-weight: 700;
}

.message.success {
  color: var(--accent-dark);
}

.dialog-note {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fbfcfb;
  font-size: 0.85rem;
  line-height: 1.4;
}

.rules-modal-list {
  display: grid;
  gap: 10px;
}

.rules-modal-list div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.rules-modal-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.rules-modal-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.audit-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.audit-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.audit-delete-menu {
  position: relative;
}

.audit-delete-options {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 5;
  width: 210px;
  padding: 6px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.audit-delete-options[hidden] {
  display: none;
}

.audit-delete-options button {
  width: 100%;
  min-height: 34px;
  padding: 7px 9px;
  border: 0;
  border-radius: 6px;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-weight: 750;
}

.audit-delete-options button:hover {
  background: var(--danger-soft);
  color: var(--danger);
}

.audit-toolbar span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750;
}

.audit-list {
  display: grid;
  gap: 8px;
  max-height: min(62vh, 560px);
  overflow: auto;
  padding-right: 4px;
}

.audit-list > p {
  margin: 0;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fbfcfb;
}

.audit-row {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) minmax(160px, 0.9fr) 140px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.audit-row strong,
.audit-row span,
.audit-row time {
  display: block;
}

.audit-row span,
.audit-row time {
  color: var(--muted);
  font-size: 0.82rem;
}

.audit-row time {
  text-align: right;
  font-weight: 750;
}

.setup-preview-dialog {
  width: min(1080px, calc(100vw - 28px));
}

.setup-preview-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.setup-preview-summary span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fbfcfb;
  font-size: 0.82rem;
}

.setup-preview-summary strong {
  color: var(--text);
}

.setup-preview-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 8px;
  max-height: min(62vh, 620px);
  overflow: auto;
  padding-right: 4px;
}

.setup-preview-day {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.setup-preview-day h3 {
  margin: 0;
  font-size: 0.95rem;
}

.setup-preview-slot {
  display: grid;
  gap: 5px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.setup-preview-slot strong {
  font-size: 0.85rem;
}

.setup-preview-time {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.dialog-actions { display: grid; grid-template-columns: auto 1fr auto auto; }
.bulk-actions { grid-template-columns: auto 1fr auto auto; }
.slot-time-actions {
  display: flex;
  justify-content: flex-end;
}

.single-action {
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 900px) {
  body { grid-template-columns: 1fr; }
  .sidebar { min-height: auto; }
  .toolbar, .filters { grid-template-columns: 1fr; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .actions { justify-content: flex-start; }
  .week-jump { margin-left: 0; }
  .month-legend { grid-template-columns: 1fr; }
  .setup-preview-grid { grid-template-columns: 1fr; }
  .user-management-layout { grid-template-columns: 1fr; }
  .setup-plan-grid,
  .setup-slot-row {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 901px) {
  .sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: auto;
  }

  .workspace-sticky {
    position: sticky;
    top: 0;
    z-index: 40;
    margin: -26px -26px 16px;
    padding: 26px 26px 16px;
    background: var(--bg);
  }

  .calendar-wrap,
  .month-wrap {
    overflow: visible;
  }

  .calendar .head,
  .month-head {
    position: sticky;
    top: var(--sticky-offset);
    z-index: 30;
  }

  .calendar .head {
    box-shadow: 0 1px 0 var(--line);
  }

  .month-head {
    box-shadow: 0 1px 0 var(--line);
  }
}

@media (max-width: 620px) {
  .workspace, .sidebar { padding: 18px; }
  .form-grid, #userForm .form-grid, .dialog-actions, .participant-row, .bulk-preview-row, .setup-category-row, .audit-row, .user-list-item { grid-template-columns: 1fr; }
  .setup-tabs { display: grid; grid-template-columns: 1fr; }
  .setup-tab { border-radius: 8px; }

  .audit-row time {
    text-align: left;
  }

  .participant-index {
    width: 100%;
  }

  .week-jump {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }
}