/* v4.8.4 interaction upgrades — deliberately layered on top of the original layout. */
.utility-button,
.calendar-tools-trigger {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.055);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.utility-button:hover,
.calendar-tools-trigger:hover { color: #fff; background: rgba(255,255,255,.1); }
.feature-card[data-favourite="true"] { border-color: rgba(154,130,255,.28); }
.dialog-panel.dialog-panel--wide { width: min(940px,100%); }
.dialog-panel.dialog-panel--compact { width: min(680px,100%); }

.command-search-wrap { position: relative; margin-bottom: 12px; }
.command-search {
  width: 100%; min-height: 52px; padding: 0 16px;
  border: 1px solid rgba(255,255,255,.14); border-radius: 16px;
  background: rgba(255,255,255,.065); color: #fff; font: inherit; font-size: 16px;
}
.command-group-label { margin: 12px 2px 8px; color: var(--subtle); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.command-results { display: grid; gap: 7px; max-height: min(52vh,430px); overflow: auto; }
.command-item {
  width: 100%; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 0 14px; border: 1px solid transparent; border-radius: 14px;
  background: transparent; color: #dfe1e7; cursor: pointer; text-align: left;
}
.command-item[data-selected="true"], .command-item:hover { border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.075); color: #fff; }
.command-item kbd { min-width: 27px; padding: 4px 7px; border: 1px solid rgba(255,255,255,.12); border-radius: 7px; background: rgba(255,255,255,.05); color: var(--subtle); font: 11px ui-monospace,SFMono-Regular,Menlo,monospace; text-align: center; }
.command-hint { margin: 12px 2px 0; color: var(--subtle); font-size: 12px; }
.empty-state { margin: 8px 0; padding: 16px; border: 1px dashed rgba(255,255,255,.12); border-radius: 14px; color: var(--muted); text-align: center; }

.manager-list { display: grid; gap: 10px; }
.manager-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.045); }
.manager-actions { display: flex; align-items: center; gap: 7px; }
.favourite-toggle { display: inline-flex; align-items: center; gap: 7px; min-height: 36px; padding: 0 10px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: #d8dae2; font-size: 12px; cursor: pointer; }
.favourite-toggle input { accent-color: #9a82ff; }

.feature-extra-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 12px; }
.feature-check-status { display: inline-flex; align-items: center; gap: 7px; }
.feature-check-status::before { content:""; width: 7px; height: 7px; border-radius: 50%; background: #ffca68; }
.feature-check-status[data-state="reachable"]::before { background:#63e99a; }
.feature-check-status[data-state="unavailable"]::before { background:#ff819e; }

.calendar-summary-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-bottom: 16px; }
.calendar-summary-box { padding: 13px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; background: rgba(255,255,255,.045); color: #dfe1e7; line-height: 1.55; }
.calendar-tools-search { display: grid; gap: 7px; margin-bottom: 14px; }
.calendar-tools-search label, .tool-field label { color: var(--muted); font-size: 12px; }
.tool-input, .tool-select, .tool-textarea {
  width: 100%; min-height: 42px; padding: 0 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 13px;
  background: rgba(255,255,255,.055); color: #fff; font: inherit;
}
.tool-textarea { min-height: 78px; padding-block: 10px; resize: vertical; }
.tool-select option { background:#17151e; }
.calendar-event-form, .teaching-form { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin: 16px 0; padding: 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 17px; background: rgba(255,255,255,.035); }
.tool-field { display: grid; gap: 6px; min-width: 0; }
.tool-field.span-2 { grid-column: span 2; }
.tool-field.span-4 { grid-column: 1 / -1; }
.tool-form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px; }
.calendar-event-results, .teaching-record-list { display: grid; gap: 9px; max-height: min(44vh,470px); overflow: auto; padding-right: 2px; }
.calendar-event-item, .teaching-record { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.04); }
.calendar-event-item > div:first-child, .teaching-record > div:first-child { min-width: 0; display: grid; gap: 4px; }
.calendar-event-item strong, .teaching-record strong { overflow-wrap:anywhere; }
.calendar-event-item small, .teaching-record small, .record-date { color: var(--subtle); font-size: 12px; }
.event-category { width: fit-content; padding: 3px 7px; border-radius: 999px; background: rgba(154,130,255,.12); color: #d9d1ff; font-size: 10px; }
.event-actions, .record-actions { display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; gap:6px; }
.calendar-export-actions, .teaching-toolbar { display:flex; flex-wrap:wrap; gap:8px; margin:14px 0; }
.teaching-filters { display:grid; grid-template-columns:minmax(0,1fr) minmax(160px,.32fr); gap:10px; margin-bottom:12px; }
.file-action { position:relative; overflow:hidden; }
.file-action input { position:absolute; inset:0; opacity:0; cursor:pointer; }

.pull-refresh-indicator {
  position: fixed; z-index: 1150; top: calc(10px + env(safe-area-inset-top)); left: 50%;
  display: flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 13px;
  border: 1px solid rgba(255,255,255,.13); border-radius: 999px;
  background: rgba(15,14,22,.92); color:#dfe1e7; box-shadow:0 14px 45px rgba(0,0,0,.35);
  opacity:0; pointer-events:none; transform:translate(-50%,-22px) scale(calc(.92 + var(--pull,0) * .08)); transition:opacity .16s ease,transform .16s ease;
}
.pull-refresh-indicator[data-state] { opacity:1; transform:translate(-50%,0) scale(calc(.92 + var(--pull,0) * .08)); }
.pull-refresh-indicator::before { content:"↻"; }
.pull-refresh-indicator[data-state="refreshing"]::before { animation:pullSpin .8s linear infinite; }
@keyframes pullSpin { to { transform:rotate(360deg); } }

@media (max-width: 760px) {
  .section-utility .utility-button { min-height:32px; font-size:12px; }
  .calendar-event-form, .teaching-form { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tool-field.span-4 { grid-column: 1 / -1; }
  .calendar-event-item, .teaching-record { align-items:flex-start; flex-direction:column; }
  .event-actions, .record-actions { justify-content:flex-start; }
  .teaching-filters { grid-template-columns:1fr; }
}
@media (max-width: 520px) {
  .manager-row { align-items:flex-start; flex-direction:column; }
  .manager-actions { width:100%; flex-wrap:wrap; }
  .calendar-summary-grid, .feature-extra-grid { grid-template-columns:1fr; }
  .calendar-event-form, .teaching-form { grid-template-columns:1fr; }
  .tool-field.span-2, .tool-field.span-4 { grid-column:auto; }
}