/* ============================================================================
   Contour · Calendar view
   Every rule is scoped under .view-calendar. Colour, size, radius and motion
   come from css/tokens.css — there is no literal colour in this file.
   ========================================================================== */

.view-calendar {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  min-width: 0;
  background: var(--canvas);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: var(--lh-base);

  --cal-cols: 7;
  --cal-chip-h: 24px;          /* >= the 24px WCAG 2.2 AA target size */
  --cal-gutter-w: 56px;
  --cal-hour-h: 44px;
  --cal-tray-w: 264px;
}

.view-calendar .cal-spacer { flex: 1 1 auto; }
.view-calendar .cal-ico { flex: 0 0 auto; }
.view-calendar .cal-ico.sm { width: 12px; height: 12px; }
.view-calendar .truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }

/* --------------------------------------------------------------- toolbar --- */

.view-calendar .cal-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;            /* narrow viewports wrap the controls instead of clipping them */
  gap: var(--sp-1) var(--sp-2);
  flex: 0 0 auto;
  padding: var(--sp-2) var(--sp-3);
  border-bottom: var(--border);
  background: var(--surface);
}

.view-calendar .cal-nav { display: inline-flex; gap: 2px; }

.view-calendar .cal-title {
  margin: 0;
  font-size: var(--fs-md);
  line-height: var(--lh-md);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}

.view-calendar .cal-by {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  max-width: 200px;
  padding: 0 var(--sp-2);
  height: var(--control-h-sm);
  border-radius: var(--radius-pill);
  background: var(--sunken);
  color: var(--text-2);
  font-size: var(--fs-sm);
}

/* ------------------------------------------------------------------ body --- */

.view-calendar .cal-body {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
  min-width: 0;
}

.view-calendar .cal-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.view-calendar .cal-scroll { overflow: auto; overscroll-behavior: contain; }

/* ------------------------------------------------------------ month grid --- */

.view-calendar .cal-month {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.view-calendar .cal-weekdays {
  display: grid;
  grid-template-columns: repeat(var(--cal-cols), minmax(0, 1fr));
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--surface);
  border-bottom: var(--border-soft);
}

.view-calendar .cal-weekday {
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--fs-xs);
  line-height: var(--lh-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-3);
  text-align: right;
}

.view-calendar .cal-grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(var(--cal-cols), minmax(0, 1fr));
  grid-auto-rows: minmax(96px, 1fr);
  min-height: 0;
  background: var(--line-2);
  gap: var(--border-w);
  border-bottom: var(--border-w) solid var(--line-2);
}

.view-calendar .cal-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  min-height: 0;
  padding: 2px var(--sp-1) var(--sp-1);
  background: var(--surface);
  overflow: hidden;
}

.view-calendar .cal-cell.is-other { background: var(--canvas); }
.view-calendar .cal-cell.is-weekend { background: var(--sunken); }
.view-calendar .cal-cell.is-other.is-weekend { background: var(--sunken); }
.view-calendar .cal-cell.is-today { box-shadow: inset 0 2px 0 0 var(--accent); }

.view-calendar .cal-cell-head {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 0 0 auto;
  min-height: 24px;
}

.view-calendar .cal-daynum {
  margin-left: auto;
  font-size: var(--fs-sm);
  line-height: var(--lh-sm);
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.view-calendar .cal-cell.is-other .cal-daynum { color: var(--text-2); }

.view-calendar .cal-cell.is-today .cal-daynum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 18px;
  padding: 0 var(--sp-1);
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: var(--fw-semibold);
}

.view-calendar .cal-add {
  order: -1;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
}

.view-calendar .cal-cell:hover .cal-add,
.view-calendar .cal-add:focus-visible { opacity: 1; }
.view-calendar .cal-add:hover { background: var(--hover); color: var(--text); }
.view-calendar .cal-add svg { width: 12px; height: 12px; }

.view-calendar .cal-chips {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
}

.view-calendar .cal-more {
  flex: 0 0 auto;
  align-self: flex-start;
  height: 20px;
  padding: 0 var(--sp-1);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  cursor: pointer;
}
.view-calendar .cal-more:hover { background: var(--hover); color: var(--text); }

/* ------------------------------------------------------------------ chip --- */

.view-calendar .cal-chip {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  width: 100%;
  min-width: 0;
  min-height: var(--cal-chip-h);
  padding: 0 var(--sp-1);
  border: var(--border-w) solid transparent;
  border-left: 3px solid var(--c, var(--accent));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--c, var(--accent)) var(--tint-chip), var(--surface));
  color: var(--text);
  font: inherit;
  font-size: var(--fs-sm);
  line-height: var(--lh-sm);
  text-align: left;
  cursor: pointer;
  touch-action: none;
}

.view-calendar .cal-chip:hover {
  background: color-mix(in srgb, var(--c, var(--accent)) var(--tint-strong), var(--surface));
}

.view-calendar .cal-chip:focus-visible,
.view-calendar .cal-tray-chip:focus-visible,
.view-calendar .cal-more:focus-visible,
.view-calendar .cal-add:focus-visible {
  outline: var(--focus-ring-w) solid var(--focus-ring);
  outline-offset: 1px;
}

.view-calendar .cal-chip.is-cont { border-left-color: transparent; border-top-left-radius: 0; border-bottom-left-radius: 0; }
.view-calendar .cal-chip.is-more { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.view-calendar .cal-chip.is-locked { cursor: default; opacity: .85; }
.view-calendar .cal-chip.is-source { opacity: .35; }

.view-calendar .cal-chip-time {
  flex: 0 0 auto;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-xs);
}

.view-calendar .cal-chip-label { min-width: 0; }

.view-calendar .cal-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--c, var(--accent));
}

.view-calendar .cal-chip.is-timed {
  position: absolute;
  left: 2px;
  right: 2px;
  width: auto;
  align-items: flex-start;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

/* ------------------------------------------------------------- restricted --- */

.view-calendar .cal-restricted {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 0 var(--sp-1);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  background: repeating-linear-gradient(
    135deg,
    var(--sunken) 0 4px,
    transparent 4px 8px
  );
  color: var(--text-3);
  font-size: var(--fs-xs);
  line-height: var(--lh-xs);
  font-style: italic;
}

/* -------------------------------------------------------------- time grid --- */

.view-calendar .cal-time {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--surface);
}

.view-calendar .cal-time-head {
  display: grid;
  grid-template-columns: var(--cal-gutter-w) repeat(var(--cal-cols), minmax(0, 1fr));
  flex: 0 0 auto;
  border-bottom: var(--border-soft);
}

.view-calendar .cal-gutter-head {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: var(--sp-1);
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.view-calendar .cal-time-col-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: var(--sp-1) 0;
  border-left: var(--border-soft);
}

.view-calendar .cal-time-col-head .cal-dow {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-3);
}

.view-calendar .cal-time-col-head .cal-daynum {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--text);
}

.view-calendar .cal-time-col-head.is-today .cal-daynum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: var(--fw-semibold);
}

.view-calendar .cal-allday {
  display: grid;
  grid-template-columns: var(--cal-gutter-w) repeat(var(--cal-cols), minmax(0, 1fr));
  flex: 0 0 auto;
  max-height: 96px;
  overflow-y: auto;
  border-bottom: var(--border);
  background: var(--canvas);
}

.view-calendar .cal-allday-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 26px;
  min-width: 0;
  padding: 2px;
  border-left: var(--border-soft);
}

.view-calendar .cal-time-scroll { flex: 1 1 auto; min-height: 0; }

.view-calendar .cal-time-canvas {
  display: grid;
  grid-template-columns: var(--cal-gutter-w) repeat(var(--cal-cols), minmax(0, 1fr));
  height: calc(24 * var(--cal-hour-h));
}

.view-calendar .cal-hours { display: flex; flex-direction: column; }

.view-calendar .cal-hour-label {
  position: relative;
  height: var(--cal-hour-h);
  padding-right: var(--sp-2);
  text-align: right;
  font-size: var(--fs-xs);
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.view-calendar .cal-hour-label span { position: relative; top: -6px; }
.view-calendar .cal-hour-label:first-child span { visibility: hidden; }

.view-calendar .cal-time-col {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-left: var(--border-soft);
}

.view-calendar .cal-time-col.is-today { background: var(--accent-soft); }

.view-calendar .cal-hour {
  height: var(--cal-hour-h);
  border-bottom: var(--border-w) solid var(--line-2);
}

.view-calendar .cal-hour.is-off { background: color-mix(in srgb, var(--sunken) 60%, transparent); }

.view-calendar .cal-now {
  position: absolute;
  left: 0;
  right: 0;
  height: 0;
  border-top: 2px solid var(--danger);
  pointer-events: none;
  z-index: 2;
}

.view-calendar .cal-now::before {
  content: '';
  position: absolute;
  left: 0;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--danger);
}

/* --------------------------------------------------------------- dropping --- */

.view-calendar.is-dragging { cursor: grabbing; }
.view-calendar.is-dragging .cal-chip,
.view-calendar.is-dragging .cal-tray-chip { pointer-events: none; }

.view-calendar [data-drop-day].is-drop {
  outline: var(--focus-ring-w) solid var(--accent);
  outline-offset: -2px;
  background: var(--selected);
}

.view-calendar .cal-ghost {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  max-width: 240px;
  padding: var(--sp-1) var(--sp-2);
  border-left: 3px solid var(--c, var(--accent));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--c, var(--accent)) var(--tint-chip), var(--raised));
  box-shadow: var(--shadow-md);
  font-size: var(--fs-sm);
  white-space: nowrap;
  pointer-events: none;
}

.view-calendar .cal-ghost::after {
  content: attr(data-day);
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------------ tray --- */

.view-calendar .cal-tray {
  flex: 0 0 var(--cal-tray-w);
  width: var(--cal-tray-w);
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-left: var(--border);
  background: var(--surface);
}

.view-calendar .cal-tray.is-closed { display: none; }

.view-calendar .cal-tray-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 0 0 auto;
  padding: var(--sp-2) var(--sp-2) var(--sp-2) var(--sp-3);
  border-bottom: var(--border-soft);
}

.view-calendar .cal-tray-head .caps {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: var(--fw-semibold);
}

.view-calendar .cal-tray-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-2);
  overflow-y: auto;
}

.view-calendar .cal-tray-note {
  flex: 0 0 auto;
  margin: var(--sp-1) 0 0;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-xs);
  line-height: var(--lh-xs);
  color: var(--text-2);
}

.view-calendar .cal-tray-empty {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-4) var(--sp-2);
  text-align: center;
}

.view-calendar .cal-tray-title { margin: 0; font-weight: var(--fw-medium); }
.view-calendar .cal-tray-empty .panel-hint { margin: 0; }

.view-calendar .cal-tray-chip {
  display: flex;
  flex: 0 0 auto;             /* a scrolling flex column must not squash its rows */
  align-items: center;
  gap: var(--sp-1);
  width: 100%;
  min-height: 28px;
  padding: 0 var(--sp-2) 0 var(--sp-1);
  border: var(--border-soft);
  border-left: 3px solid var(--c, var(--line));
  border-radius: var(--radius-sm);
  background: var(--canvas);
  color: var(--text);
  font: inherit;
  font-size: var(--fs-sm);
  text-align: left;
  cursor: grab;
  touch-action: none;
}

.view-calendar .cal-tray-chip:hover { background: var(--hover); }
.view-calendar .cal-tray-chip.is-locked { cursor: default; color: var(--text-2); }
.view-calendar .cal-tray-chip .grip { color: var(--text-3); }
.view-calendar .cal-tray-when {
  margin-left: auto;
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: var(--fs-xs);
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------- day popup --- */

.view-calendar .cal-pop {
  position: absolute;
  z-index: var(--z-popover);
  width: 260px;
  max-height: 320px;
  display: flex;
  flex-direction: column;
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--raised);
  box-shadow: var(--shadow-md);
}

.view-calendar .cal-pop-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-2) var(--sp-2) var(--sp-3);
  border-bottom: var(--border-soft);
}

.view-calendar .cal-pop-title { font-size: var(--fs-sm); font-weight: var(--fw-semibold); }

.view-calendar .cal-pop-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--sp-2);
  overflow-y: auto;
}

/* ---------------------------------------------------------------- footer --- */

.view-calendar .cal-foot {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 0 0 auto;
  padding: var(--sp-1) var(--sp-3);
  border-top: var(--border);
  background: var(--surface);
}

.view-calendar .cal-foot-text { font-size: var(--fs-xs); color: var(--text-2); }

/* ----------------------------------------------------------------- flash --- */

.view-calendar .cal-flash {
  position: absolute;
  left: 50%;
  bottom: var(--sp-6);
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  max-width: min(420px, 80%);
  padding: var(--sp-2) var(--sp-3);
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--raised);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-sm);
}

.view-calendar .cal-flash[hidden] { display: none; }
.view-calendar .cal-flash.bad { border-color: var(--danger-line); background: var(--danger-soft); color: var(--danger); }
.view-calendar .cal-flash.ok { border-color: var(--success-line); background: var(--success-soft); color: var(--success); }

/* ----------------------------------------------------------- draft panel --- */

/* Opened when the store refuses a creation and names what is missing. It sits inside the
   view, over the day the operator pointed at, so the context of the click is never lost. */

.view-calendar .cal-draft-scrim {
  position: absolute;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--scrim);
}

.view-calendar .cal-draft {
  position: absolute;
  z-index: calc(var(--z-modal) + 1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  width: min(360px, calc(100% - var(--sp-8)));
  max-height: calc(100% - var(--sp-8));
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--raised);
  box-shadow: var(--shadow-lg);
}

.view-calendar .cal-draft-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border-bottom: var(--border-soft);
}

.view-calendar .cal-draft-titles { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1 1 auto; }
.view-calendar .cal-draft-title { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
.view-calendar .cal-draft-when { font-size: var(--fs-sm); color: var(--text-2); }

/* The form owns the scrolling field list AND the footer, so the submit button is inside
   the form it submits. It therefore has to carry the column layout the panel used to. */
.view-calendar .cal-draft-form {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
}

.view-calendar .cal-draft-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-3);
  overflow-y: auto;
  min-height: 0;
}

.view-calendar .cal-draft-field { display: flex; flex-direction: column; gap: var(--sp-1); min-width: 0; }
.view-calendar .cal-draft-field .label { display: flex; align-items: baseline; gap: var(--sp-2); }
.view-calendar .cal-draft-field .panel-hint { margin: 0; }

.view-calendar .cal-draft-req {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-3);
}

.view-calendar .cal-draft-msg { margin: 0; font-size: var(--fs-sm); color: var(--text-2); }
.view-calendar .cal-draft-msg.is-bad { color: var(--danger); }

.view-calendar .cal-draft-row { display: flex; align-items: center; gap: var(--sp-2); }
.view-calendar .cal-draft-row .input { flex: 1 1 auto; min-width: 0; }
.view-calendar .cal-draft-row .panel-hint { margin: 0; flex: 0 0 auto; }

.view-calendar .cal-draft-check { display: flex; align-items: center; gap: var(--sp-2); cursor: pointer; }
.view-calendar .cal-draft-multi { height: auto; padding: var(--sp-1); }

/* Attachments. The input is hidden from sight but NOT from the accessibility tree or the
   file picker — the styled label is its trigger. */
.view-calendar .cal-draft-files { display: flex; flex-direction: column; align-items: flex-start; gap: var(--sp-2); }

.view-calendar .cal-draft-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.view-calendar .cal-draft-file-input:focus-visible + .cal-draft-filelist { outline: none; }
.view-calendar .cal-draft-files label.btn:focus-within { outline: var(--focus-ring-w) solid var(--focus-ring); outline-offset: 1px; }

.view-calendar .cal-draft-filelist { display: flex; flex-direction: column; gap: var(--sp-1); width: 100%; }

.view-calendar .cal-draft-file {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  min-width: 0;
  padding: 2px var(--sp-1);
  border: var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--sunken);
  font-size: var(--fs-sm);
}

.view-calendar .cal-draft-file .truncate { flex: 1 1 auto; }

.view-calendar .cal-draft-file-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--text-2);
  cursor: pointer;
}

.view-calendar .cal-draft-file-x:hover { background: var(--hover); color: var(--text); }
.view-calendar .cal-draft-file-x:focus-visible { outline: var(--focus-ring-w) solid var(--focus-ring); outline-offset: 1px; }

.view-calendar .cal-draft-foot {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  padding: var(--sp-2) var(--sp-3);
  border-top: var(--border-soft);
  background: var(--surface);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.view-calendar .cal-draft-error {
  margin: 0;
  flex: 1 1 100%;
  font-size: var(--fs-sm);
  color: var(--danger);
}

.view-calendar .cal-draft-error[hidden] { display: none; }

.view-calendar .cal-by.is-locked { color: var(--text-2); }

/* --------------------------------------------------------- config panel --- */

/* The config panel is the one thing that renders OUTSIDE .view-calendar: the shell mounts
   configPanel() into its own Configure rail. The cal- prefix keeps it collision-free. */
.cal-cfg { display: flex; flex-direction: column; gap: var(--sp-3); }
.cal-cfg-field { display: flex; flex-direction: column; gap: var(--sp-1); min-width: 0; }
.cal-cfg-field .panel-hint { margin: 0; }
.cal-cfg-row { display: flex; align-items: center; gap: var(--sp-2); }
.cal-cfg-row .select { flex: 1 1 auto; min-width: 0; }

.cal-cfg-check {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-base);
  cursor: pointer;
}

/* ------------------------------------------------------------- narrow --- */