.side-events-ui {
  color-scheme: light;
  --ink: var(--brand-charcoal);
  --muted: var(--muted-on-light);
  --line: var(--line-on-light);
  --accent: var(--brand-blue);
  --surface: var(--brand-white);
  --blue: var(--brand-blue);
  font-size: var(--font-body);
  line-height: var(--leading-body);
  color: var(--ink);
}
.side-events-ui * { box-sizing: border-box; }
.side-events-ui button, .side-events-ui input, .side-events-ui textarea, .side-events-ui select { font: inherit; }
.side-events-ui button, .side-events-ui a { -webkit-tap-highlight-color: transparent; }
.side-events-ui button { cursor: pointer; }
.side-events-ui button:disabled { cursor: wait; opacity: .55; }
.side-events-ui button, .side-events-ui input, .side-events-ui select, .side-events-ui textarea { border-radius: var(--radius); }
.side-events-ui a { color: var(--accent); }
.side-events-ui h1, .side-events-ui h2, .side-events-ui h3, .side-events-ui p { margin: 0; }
.side-events-ui .intro { --accent: var(--accent-on-dark); display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-24); margin-bottom: var(--space-24); color: var(--brand-white); }
.side-events-ui .intro-text { --accent: var(--brand-blue); grid-column: 1 / -1; padding: var(--card-padding); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); font-size: var(--font-body); color: var(--muted); }
.side-events-ui .intro-text p + p { margin-top: var(--space-16); }
.side-events-ui .intro-text strong { color: var(--ink); }
.side-events-ui .button { gap: var(--space-8); border: 1px solid transparent; font-weight: var(--weight-heading); font-size: var(--font-small); white-space: nowrap; }
.side-events-ui .button-add { color: var(--brand-white); background: var(--blue); }
.side-events-ui .button-add span { font-size: var(--font-heading); line-height: 1; font-weight: var(--weight-body); }
.side-events-ui .button-add:hover { background: var(--brand-navy); }
.side-events-ui .button-primary { background: var(--blue); color: var(--brand-white); }
.side-events-ui .button-primary:hover { background: var(--brand-navy); }
.side-events-ui .button-secondary { background: var(--surface); color: var(--blue); border-color: var(--blue); }
.side-events-ui .button-secondary:hover { background: var(--surface-alt); }
.side-events-ui .button-danger { color: #fff; background: #b83436; }
.side-events-ui .community-note { display: flex; align-items: center; gap: var(--space-8); color: var(--muted); font-size: var(--font-small); margin: var(--space-24) 0 0; }
.side-events-ui .community-note svg { flex-shrink: 0; }
.side-events-ui .demo-note { padding: var(--space-16); border: 1px solid #ead6a5; background: #fff4d9; color: #755320; border-radius: var(--radius); font-size: var(--font-body); margin: 0 0 var(--space-16); }
.side-events-ui .connection-error { display: flex; align-items: center; gap: var(--space-16); justify-content: space-between; padding: var(--space-16); background: #fff0f0; color: #9e252a; border-radius: var(--radius); margin-bottom: var(--space-16); }
.side-events-ui .calendar-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: clip; scroll-margin-top: 144px; }
.side-events-ui .calendar-toolbar { padding: var(--space-16) var(--space-24); display: flex; align-items: center; justify-content: space-between; gap: var(--space-16); border-bottom: 1px solid var(--line); }
.side-events-ui .calendar-caption { display: flex; gap: var(--space-16); align-items: center; }
.side-events-ui .calendar-caption strong { font-size: var(--font-body); font-weight: var(--weight-heading); }
.side-events-ui .calendar-symbol { font-size: var(--font-heading); line-height: 1; color: var(--muted); }
.side-events-ui .event-count { background: var(--surface-alt); color: var(--muted); border-radius: var(--radius); padding: 3px var(--space-8); font-size: var(--font-small); }
.side-events-ui .sync-status { font-size: var(--font-small); color: var(--muted); }
.side-events-ui .table-legend { display: flex; flex-wrap: wrap; gap: var(--space-8) var(--space-24); list-style: none; margin: 0; padding: var(--space-8) var(--space-24); border-bottom: 1px solid var(--line); font-size: var(--font-small); color: var(--muted); }
.side-events-ui .table-legend li { display: flex; align-items: center; gap: var(--space-8); }
.side-events-ui .table-legend li::before { content: ""; width: 10px; height: 10px; border-radius: var(--radius); background: var(--event-accent); }
.side-events-ui .calendar-head, .side-events-ui .calendar-grid { display: grid; grid-template-columns: 66px repeat(2, minmax(0, 1fr)); }
.side-events-ui .calendar-head { position: sticky; top: 120px; z-index: 3; background: var(--surface); border-bottom: 1px solid var(--line); }
.side-events-ui .timezone-label { align-self: center; text-align: center; color: var(--muted); font-size: var(--font-small); }
.side-events-ui .day-heading { display: flex; align-items: center; gap: var(--space-16); border-left: 1px solid var(--line); margin: 0; padding: var(--space-16) var(--space-24); color: var(--ink); }
.side-events-ui .date-number { font-size: var(--font-heading); font-weight: var(--weight-heading); color: var(--blue); background: var(--surface-alt); display: grid; place-items: center; width: 48px; height: 48px; border-radius: var(--radius); }
.side-events-ui .day-heading h3 { color: var(--ink); font-size: var(--font-body); font-weight: var(--weight-heading); line-height: var(--leading-body); }
.side-events-ui .day-heading p { color: var(--muted); font-size: var(--font-small); }
.side-events-ui .day-count { margin-left: auto; color: var(--muted); font-size: var(--font-small); }
.side-events-ui .calendar-grid { min-height: 200px; padding-block: var(--space-16); }
.side-events-ui .time-axis, .side-events-ui .day-column { position: relative; min-width: 0; height: var(--grid-height, 200px); }
.side-events-ui .time-label { position: absolute; top: var(--top); right: 12px; transform: translateY(-50%); color: var(--muted); font-size: var(--font-small); font-variant-numeric: tabular-nums; }
.side-events-ui .day-column { --event-space: 100%; border-left: 1px solid var(--line); background-image: linear-gradient(to bottom, var(--line) 1px, transparent 1px), linear-gradient(to bottom, var(--surface-alt) 1px, transparent 1px); background-size: 100% 78px, 100% 39px; }
.side-events-ui .time-selection { position: absolute; left: 4px; right: 4px; z-index: 2; pointer-events: none; border: 2px solid var(--blue); border-radius: var(--radius); background: #dcefffdd; color: #004b7c; padding-inline: var(--space-8); font-size: var(--font-small); font-weight: var(--weight-heading); line-height: 1.2; font-variant-numeric: tabular-nums; }
.selecting-time, .selecting-time * { cursor: crosshair !important; user-select: none; -webkit-user-select: none; }
.side-events-ui .event {
  --event-gap: 5px;
  position: absolute; top: var(--top); height: var(--height);
  left: calc(var(--column) * var(--event-space) / var(--columns) + var(--event-gap));
  width: calc(var(--event-space) / var(--columns) - 2 * var(--event-gap));
  text-align: left; display: flex; flex-direction: column; container-type: size;
  padding: 8px 10px; overflow: hidden;
  border: 1px solid var(--event-border); border-left: 3px solid var(--event-accent); border-radius: var(--radius);
  color: var(--event-ink); background: var(--event-bg); box-shadow: 0 2px 3px #10204005;
}
.side-events-ui .event:hover, .side-events-ui .event:focus-visible { filter: brightness(.97); box-shadow: 0 3px 12px #1020401a; z-index: 2; }
.side-events-ui .event-time { display: block; flex-shrink: 0; font-size: var(--font-small); line-height: 16px; margin-bottom: 2px; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-events-ui .event-title { display: -webkit-box; flex-shrink: 0; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: var(--font-body); line-height: 1.35; font-weight: var(--weight-heading); overflow-wrap: anywhere; }
.side-events-ui .event-audience { display: -webkit-box; flex-shrink: 0; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 2px; font-size: var(--font-small); line-height: 1.35; opacity: .85; }
.side-events-ui .event.short { padding: 2px 7px; }
.side-events-ui .event.short .event-time { display: none; }
.side-events-ui .event.short .event-title { font-size: var(--font-small); -webkit-line-clamp: 1; }
.side-events-ui .event.tiny { border-width: 0 0 0 3px; padding: 0; min-height: 3px; }
.side-events-ui .event.tiny .event-title { display: none; }
.side-events-ui .tone-1 { --event-bg: #eaf4fe; --event-border: #c5dff6; --event-accent: #2783c8; --event-ink: #174975; }
.side-events-ui .tone-2 { --event-bg: #e9f5f2; --event-border: #c0e1d9; --event-accent: #32816d; --event-ink: #205f50; }
.side-events-ui .tone-3 { --event-bg: #f0edfc; --event-border: #d9d0f5; --event-accent: #8067bf; --event-ink: #5d478c; }
.side-events-ui .tone-unassigned { --event-bg: #f0f3f6; --event-border: #d4dce4; --event-accent: #718096; --event-ink: #475569; }
.side-events-ui .unavailable { position: absolute; left: 0; right: 0; top: var(--top); height: var(--height); background: #f0f2f680; pointer-events: none; }
.side-events-ui .empty-day { position: absolute; top: 130px; left: 12px; right: 12px; text-align: center; color: var(--muted); padding: var(--space-24) var(--space-8); background: var(--surface); }
.side-events-ui .empty-day p { margin-bottom: var(--space-16); }
.side-events-ui .text-button { border: 0; background: transparent; padding: var(--space-8) 0; color: var(--blue); text-align: left; min-height: var(--control-height); font-size: var(--font-small); font-weight: var(--weight-heading); text-decoration: underline; text-underline-offset: .2em; }
.side-events-ui .calendar-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-16); padding: var(--space-16) var(--space-24); border-top: 1px solid var(--line); color: var(--muted); font-size: var(--font-small); }
.side-events-ui .page-note { flex-basis: 100%; text-align: left; font-size: var(--font-body); }
.side-events-ui .organizer-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-16); margin: 0 0 var(--space-16); padding: var(--space-16); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-alt); color: var(--ink); font-size: var(--font-body); }
.side-events-ui .drag-hint { display: none; }
@media (hover: hover) and (pointer: fine) {
  /* Keep a continuous empty strip for dragging, even beside overlapping events. */
  .side-events-ui .day-column { --event-space: calc(100% - clamp(48px, 18%, 80px)); cursor: crosshair; }
  .side-events-ui .drag-hint { display: inline; }
}
.side-events-ui .mobile-days { display: none; }
.side-events-ui dialog { width: min(600px, calc(100% - 2 * var(--gutter))); max-height: calc(100dvh - 2 * var(--gutter)); margin: auto; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 25px 100px #071c4266; padding: var(--card-padding); color: var(--ink); background: var(--surface); overscroll-behavior: contain; }
.side-events-ui dialog::backdrop { background: #081a36a8; backdrop-filter: blur(3px); }
.side-events-ui .dialog-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-16); margin-bottom: var(--space-8); }
.side-events-ui .dialog-eyebrow { color: var(--muted); font-size: var(--font-small); letter-spacing: .03em; }
.side-events-ui .icon-button { font-size: var(--font-heading); font-weight: var(--weight-body); width: var(--control-height); height: var(--control-height); display: grid; place-items: center; background: var(--surface-alt); border: 0; color: var(--muted); line-height: 1; flex-shrink: 0; }
.side-events-ui dialog h2 { overflow-wrap: anywhere; }
.side-events-ui .editor-intro { color: var(--muted); font-size: var(--font-body); margin: var(--space-16) 0 var(--space-24); }
.side-events-ui fieldset { margin: var(--space-16) 0 0; padding: 0; border: 0; min-width: 0; }
.side-events-ui label { display: block; font-size: var(--font-body); font-weight: var(--weight-heading); margin: var(--space-16) 0 var(--space-8); }
.side-events-ui input, .side-events-ui textarea, .side-events-ui select { width: 100%; min-width: 0; padding: var(--space-8) var(--space-16); min-height: var(--control-height); border: 1px solid var(--line); background: var(--surface); color: var(--ink); font-size: var(--font-body); }
.side-events-ui input, .side-events-ui select { height: var(--control-height); }
.side-events-ui textarea { display: block; resize: vertical; }
.side-events-ui input::placeholder, .side-events-ui textarea::placeholder { color: var(--muted); }
.side-events-ui .time-fields { display: grid; grid-template-columns: 1.65fr 1fr 1fr; gap: var(--space-16); margin-top: var(--space-16); }
.side-events-ui .time-fields label, .side-events-ui fieldset > label:first-child { margin-top: 0; }
.side-events-ui .field-hint, .side-events-ui .shared-note { font-size: var(--font-small); color: var(--muted); margin-top: var(--space-8); }
.side-events-ui .shared-note { margin-top: var(--space-24); padding-top: var(--space-16); border-top: 1px solid var(--line); }
.side-events-ui .overlap-note { margin-top: var(--space-8); padding: var(--space-16); border-radius: var(--radius); color: #7b591d; background: #fff5dc; font-size: var(--font-body); }
.side-events-ui .editor-actions { display: flex; justify-content: space-between; gap: var(--space-16); align-items: center; margin-top: var(--space-16); }
.side-events-ui .dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-8); margin-left: auto; }
.side-events-ui .delete-button { color: #a93742; }
.side-events-ui .form-error { margin: var(--space-16) 0 0; padding: var(--space-16); border-radius: var(--radius); background: #fff0f1; color: #a52d3b; }
.side-events-ui .confirmation { display: flex; flex-wrap: wrap; gap: var(--space-16); padding: var(--space-16); margin-top: var(--space-16); border: 1px solid #e5d1ba; border-radius: var(--radius); background: #fff9ed; }
.side-events-ui .confirmation p { flex-basis: 100%; }
.side-events-ui .event-when { color: var(--blue); margin: var(--space-16) 0 var(--space-24); font-size: var(--font-body); }
.side-events-ui .detail-section { margin-bottom: var(--space-24); }
.side-events-ui dialog h3 { color: var(--ink); font-size: var(--font-body); font-weight: var(--weight-heading); margin-bottom: var(--space-8); }
.side-events-ui .prose { white-space: pre-wrap; overflow-wrap: anywhere; line-height: var(--leading-body); }
.side-events-ui .audience-box { padding: var(--space-16); background: var(--surface-alt); border-radius: var(--radius); }
.side-events-ui .updated-note { font-size: var(--font-small); color: var(--muted); margin: var(--space-24) 0; }
.side-events-ui .toast { position: fixed; bottom: var(--space-24); left: 50%; transform: translateX(-50%); background: var(--surface); color: var(--ink); padding: var(--space-16) var(--space-24); border: 1px solid var(--line); box-shadow: 0 5px 30px #0003; border-radius: var(--radius); z-index: 10; max-width: calc(100% - 2 * var(--gutter)); }
/* Keep whole text lines inside time-proportional cards, including narrow overlap lanes. */
@container (height < 96px) { .side-events-ui .event-title { -webkit-line-clamp: 1; } }
@container (height < 76px) { .side-events-ui .event-audience { -webkit-line-clamp: 1; } }
@container (height < 59px) { .side-events-ui .event-audience { display: none; } }
@container (height < 39px) {
  .side-events-ui .event-time { display: none; }
  .side-events-ui .event-title { font-size: var(--font-small); -webkit-line-clamp: 1; }
}
@media (max-width: 700px) {
  .side-events-ui .intro { grid-template-columns: minmax(0, 1fr); }
  .side-events-ui .button-add { order: 1; width: 100%; }
  .side-events-ui .community-note { align-items: flex-start; margin: var(--space-16) 0 0; }
  .side-events-ui .community-note svg { margin-top: 2px; }
  .side-events-ui .calendar-toolbar { padding: var(--space-16); }
  .side-events-ui .table-legend { padding-inline: var(--space-16); }
  .side-events-ui .calendar-caption { gap: var(--space-8); }
  .side-events-ui .calendar-symbol, .side-events-ui .sync-status { display: none; }
  .side-events-ui .mobile-days { display: grid; grid-template-columns: 1fr 1fr; padding: var(--space-8); background: var(--surface-alt); gap: var(--space-8); border-bottom: 1px solid var(--line); }
  .side-events-ui .mobile-days button { border: 1px solid transparent; min-height: var(--control-height); padding: var(--space-8); background: transparent; color: var(--muted); font-size: var(--font-small); font-weight: var(--weight-heading); }
  .side-events-ui .mobile-days button strong { margin-left: var(--space-8); font-weight: inherit; }
  .side-events-ui .mobile-days button[aria-pressed="true"] { background: var(--surface); color: var(--blue); border-color: var(--line); }
  .side-events-ui .calendar-head, .side-events-ui .calendar-grid { grid-template-columns: 49px minmax(0, 1fr); }
  .side-events-ui .calendar-head .day-heading:not(.active-day), .side-events-ui .calendar-grid .day-column:not(.active-day) { display: none; }
  .side-events-ui .day-heading { padding: var(--space-16) var(--space-8); }
  .side-events-ui .date-number { width: 40px; height: 40px; font-size: var(--font-heading); }
  .side-events-ui .day-count { font-size: var(--font-small); }
  .side-events-ui .time-label { right: 7px; }
  .side-events-ui .event { --event-gap: 3px; padding: 7px; }
  .side-events-ui .event-title { font-size: var(--font-body); -webkit-line-clamp: 2; }
  .side-events-ui .event-audience { display: none; }
  @container (height < 56px) { .side-events-ui .event-title { -webkit-line-clamp: 1; } }
  .side-events-ui .calendar-bottom { display: block; padding: var(--space-16); }
  .side-events-ui .calendar-bottom p + p { margin-top: var(--space-8); }
  .side-events-ui .time-fields { grid-template-columns: 1fr 1fr; }
  .side-events-ui .time-fields > div:first-child { grid-column: 1 / -1; }
  .side-events-ui .editor-actions { flex-wrap: wrap; }
  .side-events-ui .editor-actions .dialog-actions { width: 100%; }
  .side-events-ui .dialog-actions .button { flex: 1; }
  .side-events-ui .connection-error { align-items: flex-start; flex-direction: column; gap: var(--space-8); }
}
@media (max-width: 680px) {
  .side-events-ui .calendar-head { top: 96px; }
  .side-events-ui .calendar-card { scroll-margin-top: 112px; }
}
@media (prefers-reduced-motion: no-preference) {
  .side-events-ui .button, .side-events-ui .event { transition: background-color .15s, box-shadow .15s; }
}