/*
 * Calendar view — per-view CSS layer (utility-domain-redesign FR-08 + DD-09-A).
 *
 * Replaces the 73-LOC inline <style> block from pwa/views/calendar.js. All
 * hardcoded hex colors migrated to design-system tokens. Layout grids stay
 * (calendar's day/week/month positioning is intrinsically visual; primitives
 * don't fit cleanly).
 *
 * Catalog: pwa/components/_domain-utility.stories.js → Calendar / *
 */

/* ── Toolbar ──────────────────────────────────────────────────────── */
.cal-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; flex-wrap: wrap; gap: var(--space-base);
  background: var(--color-surface);
}
/* .cal-nav → .base-row in pwa/styles/base.css. Markup composes both. */
.cal-nav-btn {
  width: 32px; height: 32px; border-radius: var(--radius-default); border: none;
  background: var(--color-surface-container); color: var(--color-on-surface);
  font-size: 16px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.cal-nav-btn:active { opacity: 0.6; }
.cal-nav-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.cal-title {
  font-size: 15px; font-weight: 600; min-width: 140px; text-align: center;
  color: var(--color-on-surface);
  font-family: var(--type-headline-family, Manrope, system-ui, sans-serif);
}
.cal-today-btn {
  padding: 5px 12px; border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
  background: none; color: var(--color-on-surface);
  font-size: 12px; font-weight: 600; cursor: pointer;
}
.cal-today-btn:active { opacity: 0.6; }
.cal-today-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* Material Symbols inline icon */
.cal-icon {
  font-family: 'Material Symbols Outlined', sans-serif;
  font-size: 14px;
  line-height: 1;
  vertical-align: middle;
  font-variation-settings: 'wght' 500;
}

/* ── Day view ─────────────────────────────────────────────────────── */
.cal-allday-banner {
  padding: 4px 16px 8px;
  display: flex; flex-wrap: wrap; gap: var(--space-xs);
}
.cal-allday-wrap, .cal-week-allday-wrap {
  display: inline-flex; cursor: pointer;
}
.cal-allday-wrap:active, .cal-week-allday-wrap:active { opacity: 0.7; }
.cal-day-scroll {
  overflow-y: auto; flex: 1; padding: 0;
  max-height: calc(100vh - 260px);
}
.cal-day-grid { position: relative; margin-left: 0; }
.cal-hour-row {
  position: relative;
  border-bottom: 1px solid var(--color-outline-variant);
}
.cal-hour-label {
  position: absolute; left: var(--space-base); top: -7px;
  font-size: 11px; color: var(--color-on-surface-variant);
  width: 40px;
  font-variant-numeric: tabular-nums;
}
.cal-hour-line {
  position: absolute; left: 50px; right: 0; top: 0;
  border-top: 1px solid var(--color-outline-variant);
}
.cal-event-block {
  position: absolute; border-radius: var(--radius-tight);
  padding: 4px 8px; cursor: pointer; overflow: hidden; z-index: 2;
  touch-action: manipulation;
}
.cal-event-block:active { opacity: 0.7; }
.cal-event-block:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.cal-ev-time {
  font-size: 11px; font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.cal-ev-title {
  font-size: 12px; font-weight: 500; color: var(--color-on-surface);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cal-ev-loc {
  font-size: 10px; color: var(--color-on-surface-variant);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cal-now-marker {
  position: absolute; left: 46px; right: 0; z-index: 5;
  display: flex; align-items: center;
}
.cal-now-dot {
  width: 8px; height: 8px; border-radius: var(--radius-full);
  background: var(--color-error); flex-shrink: 0;
}
.cal-now-line { flex: 1; height: 2px; background: var(--color-error); }

/* ── Week view ────────────────────────────────────────────────────── */
.cal-week-header {
  display: flex;
  border-bottom: 1px solid var(--color-outline-variant);
  background: var(--color-surface);
}
.cal-week-header-gutter { width: 44px; flex-shrink: 0; }
.cal-week-header-day {
  flex: 1; text-align: center; padding: 6px 0;
  font-size: 11px; color: var(--color-on-surface-variant); font-weight: 600;
  font-family: var(--type-label-family, 'Space Grotesk', system-ui, sans-serif);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cal-week-header-day.today { color: var(--color-primary); }
.cal-week-date {
  font-size: 16px; font-weight: 700; color: var(--color-on-surface);
  font-family: var(--type-headline-family, Manrope, system-ui, sans-serif);
}
.cal-week-header-day.today .cal-week-date { color: var(--color-primary); }
.cal-week-allday {
  display: flex;
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 4px 0;
}
.cal-week-allday-label {
  width: 44px; flex-shrink: 0;
  font-size: 10px; color: var(--color-on-surface-variant);
  padding: 2px 4px;
}
.cal-week-allday-grid { display: flex; flex: 1; }
.cal-week-allday-cell { flex: 1; padding: 0 2px; }

/* Native gesture suppression (Native Conflicts row #1, design DD-08):
   horizontal trackpad/edge swipe on the week scroller must NOT trigger
   browser back/forward. */
.cal-week-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-x: contain;
  touch-action: pan-y;
  flex: 1;
  max-height: calc(100vh - 300px);
}
.cal-week-body { display: flex; position: relative; }
.cal-week-gutter { width: 44px; flex-shrink: 0; }
.cal-week-hour-label {
  font-size: 10px; color: var(--color-on-surface-variant);
  padding: 0 4px; text-align: right;
  font-variant-numeric: tabular-nums;
}
.cal-week-cols {
  display: flex; flex: 1; position: relative;
  /* The columns scroll horizontally on narrow screens; suppress browser back. */
  overscroll-behavior-x: contain;
  touch-action: pan-x;
}
.cal-week-col {
  flex: 1; position: relative;
  border-left: 1px solid var(--color-outline-variant);
}
.cal-week-col.today {
  background: color-mix(in srgb, var(--color-primary) 4%, transparent);
}
.cal-week-hour-line {
  position: absolute; left: 0; right: 0;
  border-top: 1px solid var(--color-outline-variant);
}
.cal-week-ev {
  position: absolute; left: 1px; right: 1px;
  border-radius: var(--radius-sm); padding: 2px 4px;
  cursor: pointer; overflow: hidden; z-index: 2;
  touch-action: manipulation;
}
.cal-week-ev:active { opacity: 0.7; }
.cal-week-ev-title {
  font-size: 10px; font-weight: 500; color: var(--color-on-surface);
  display: block;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── Month view ───────────────────────────────────────────────────── */
.cal-month-header {
  display: grid; grid-template-columns: repeat(7, 1fr);
  border-bottom: 1px solid var(--color-outline-variant);
  background: var(--color-surface);
}
.cal-month-hd {
  text-align: center; font-size: 11px; font-weight: 600;
  color: var(--color-on-surface-variant); padding: 6px 0;
  font-family: var(--type-label-family, 'Space Grotesk', system-ui, sans-serif);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cal-month-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-month-cell {
  min-height: 70px;
  border-bottom: 1px solid var(--color-outline-variant);
  border-right: 1px solid var(--color-outline-variant);
  padding: var(--space-xs); cursor: pointer;
  touch-action: manipulation;
}
.cal-month-cell:nth-child(7n) { border-right: none; }
.cal-month-cell.today {
  background: color-mix(in srgb, var(--color-primary) 6%, transparent);
}
.cal-month-cell.other { opacity: 0.4; }
.cal-month-cell:active { background: var(--color-surface-container); }
.cal-month-day {
  font-size: 12px; font-weight: 600; margin-bottom: var(--space-hairline);
  color: var(--color-on-surface);
  font-variant-numeric: tabular-nums;
}
.cal-month-cell.today .cal-month-day { color: var(--color-primary); }
.cal-month-pill {
  font-size: 10px; padding: 1px 4px; border-radius: 3px;
  margin-bottom: 1px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cal-month-more {
  font-size: 10px; color: var(--color-on-surface-variant);
}

/* ── Readiness & planning ─────────────────────────────────────────── */
.cal-readiness {
  margin-left: var(--space-xs);
  display: inline-flex; align-items: center;
}
.cal-commitments {
  padding: 6px 12px;
  display: flex; gap: var(--space-tight); flex-wrap: wrap;
}
.cal-commit-pill {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: 4px 10px; border-radius: var(--radius-default);
  font-size: 12px; font-weight: 500;
  background: var(--color-surface-container); color: var(--color-on-surface);
  cursor: pointer;
  touch-action: manipulation;
}
.cal-commit-pill:active { opacity: 0.7; }
.cal-commit-pill:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.cal-commit-icon {
  display: inline-flex; align-items: center;
}

/* Event color tokens — semantic mapping from legacy color names */
.cal-ev-color-blue   { --cal-ev-color: var(--color-primary); }
.cal-ev-color-green  { --cal-ev-color: var(--color-success); }
.cal-ev-color-orange { --cal-ev-color: var(--color-warning); }
.cal-ev-color-muted  { --cal-ev-color: var(--color-on-surface-variant); }

/* Painting rules — read --cal-ev-color set by the modifier class above. */
.cal-event-block[class*="cal-ev-color-"] {
  background: color-mix(in srgb, var(--cal-ev-color) 12%, transparent);
  border-left: 3px solid var(--cal-ev-color);
}
.cal-event-block[class*="cal-ev-color-"] .cal-ev-time { color: var(--cal-ev-color); }
.cal-week-ev[class*="cal-ev-color-"] {
  background: color-mix(in srgb, var(--cal-ev-color) 18%, transparent);
  border-left: 2px solid var(--cal-ev-color);
}
.cal-month-pill[class*="cal-ev-color-"] {
  background: color-mix(in srgb, var(--cal-ev-color) 24%, transparent);
  color: var(--cal-ev-color);
}

/* CSS-var carve-outs for dynamic per-element positioning. Replaces inline
   style="top:Xpx;height:Ypx" attrs in calendar.js renderDay / renderWeek.
   Defaults preserve original layout when no var is set. */
.cal-hour-row              { height: var(--cal-row-h, 32px); }
.cal-week-hour-label       { height: var(--cal-row-h, 32px); }
.cal-now-marker            { top: var(--cal-pos-top, 0); }
.cal-week-hour-line        { top: var(--cal-pos-top, 0); }
.cal-event-block           { top: var(--cal-pos-top, 0); height: var(--cal-pos-h, 0); left: var(--cal-pos-left, 0); width: var(--cal-pos-w, 0); }
.cal-week-ev               { top: var(--cal-pos-top, 0); height: var(--cal-pos-h, 0); }
.cal-day-grid              { height: var(--cal-grid-h, auto); }
.cal-week-body             { height: var(--cal-grid-h, auto); }