/* ──────────────────────────────────────────────────────────────────
 * Calendar Agent — page-local design tokens.
 *
 * Scoped under .cal-* so nothing here leaks into the rest of
 * workbench. Inherits CSS variables from app.css (--bg, --fg,
 * --border, --accent, --radius, --chip-bg).
 *
 * Layout inspiration: macOS Calendar Event Inspector + Google
 * Calendar event editor. Single editable surface (no preview/edit
 * toggle), label-on-left rows, color dot anchored to the title and
 * the calendar dropdown.
 * ────────────────────────────────────────────────────────────── */

/* ── Page header ───────────────────────────────────────────────── */
.cal-page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.cal-page-header .cal-page-sub {
  font-size: 12px;
  color: var(--fg-muted);
  margin: 4px 0 0;
}
.cal-page-header .cal-page-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.cal-model-picker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-muted);
  font-size: 11px;
  white-space: nowrap;
}
.cal-model-picker .cal-select {
  width: auto;
  min-width: 96px;
  padding: 5px 26px 5px 8px;
  font-size: 12px;
}

/* ── Cards ─────────────────────────────────────────────────────── */
.cal-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.cal-card + .cal-card { margin-top: 16px; }

/* ── Compose (State A) ─────────────────────────────────────────── */
.cal-compose {
  max-width: 720px;
  margin: 0 auto;
}
.cal-compose-head {
  margin: 0 0 14px;
}
.cal-compose-head h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.cal-compose-head .cal-sub {
  font-size: 13px;
  color: var(--fg-muted);
  margin: 0;
}

.cal-preset-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 14px 0 12px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.cal-preset-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-weak);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 4px;
}
.cal-preset-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--fg);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
}
.cal-preset-chip:hover {
  border-color: var(--accent);
  background: var(--bg-soft);
}
/* Auto-commit: keep the chip neutral so the preset bar reads as one
   visual group; the ⚡ icon alone signals "one-click". The earlier
   amber-tinted chip was too loud next to plain ones. */
.cal-preset-chip.auto .bolt { color: var(--accent); font-weight: 700; }
.cal-preset-chip .bolt { font-size: 10px; }
.cal-preset-empty {
  font-size: 12px;
  color: var(--fg-muted);
}

.cal-paste {
  display: block;
  width: 100%;
  min-height: 160px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  resize: vertical;
  box-sizing: border-box;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.cal-paste:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.cal-compose-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}
.cal-compose-foot .spacer { flex: 1; }
.cal-kbd {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--fg-muted);
}
.cal-kbd kbd {
  display: inline-block;
  padding: 1px 5px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-size: 10px;
  font-family: ui-monospace, Menlo, monospace;
  color: var(--fg-muted);
}

/* ── Workspace (State B) — two-column draft + terminal ───────── */
.cal-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 16px;
  align-items: flex-start;
}
@media (max-width: 1100px) {
  .cal-workspace { grid-template-columns: 1fr; }
}

/* ── Event card — title row ────────────────────────────────────── */
.cal-event-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 0 0 16px;
  margin: 0 0 16px;
  border-bottom: 1px solid var(--border);
}
.cal-event-title-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.cal-color-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--fg-muted);
  flex-shrink: 0;
}
.cal-color-dot.lg { width: 12px; height: 12px; }
.cal-event-title {
  flex: 1;
  min-width: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: none;
  background: transparent;
  color: var(--fg);
  padding: 4px 6px;
  margin: -4px -6px;
  border-radius: 6px;
  font-family: inherit;
}
.cal-event-title::placeholder { color: var(--fg-weak); font-weight: 500; }
.cal-event-title:hover { background: var(--bg-soft); }
.cal-event-title:focus {
  outline: none;
  background: var(--bg-soft);
  box-shadow: 0 0 0 1px var(--border) inset;
}
.cal-event-head-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}

/* ── Event card — body rows ────────────────────────────────────── */
.cal-event-body {
  display: grid;
  gap: 14px;
}
.cal-event-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  align-items: start;
}
.cal-event-label {
  font-size: 12px;
  color: var(--fg-muted);
  padding-top: 9px;
  font-weight: 500;
}
.cal-event-row .cal-input,
.cal-event-row .cal-select,
.cal-event-row .cal-textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
  background: var(--bg);
  color: var(--fg);
  box-sizing: border-box;
  transition: border-color 0.12s, background 0.12s;
}
.cal-event-row .cal-input:hover,
.cal-event-row .cal-select:hover,
.cal-event-row .cal-textarea:hover {
  border-color: var(--border);
}
.cal-event-row .cal-input:focus,
.cal-event-row .cal-select:focus,
.cal-event-row .cal-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg);
}
.cal-event-row .cal-textarea {
  resize: vertical;
  min-height: 60px;
  line-height: 1.5;
}
.cal-input.mono, .cal-textarea.mono {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
}

/* Time row — two date/time inputs + all-day toggle */
.cal-time-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.cal-time-grid .sub {
  display: grid;
  gap: 3px;
}
.cal-time-grid .sub-label {
  font-size: 10px;
  color: var(--fg-weak);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-left: 4px;
}
.cal-allday-toggle {
  grid-column: 1 / -1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 2px 4px;
  user-select: none;
}
.cal-allday-toggle input { margin: 0; }

/* Calendar picker — color dot + select */
.cal-calendar-pick {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
}
.cal-calendar-pick .cal-select { flex: 1; }

/* Reminder picker — number input + helper text on the same row */
.cal-reminder-pick {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
}
.cal-reminder-pick .cal-input { width: 88px; }

/* ── Callouts — questions banner ───────────────────────────────── */
.cal-callout {
  display: block;
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
}
.cal-callout.ask {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}
.cal-callout-head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cal-callout ul {
  margin: 0;
  padding-left: 18px;
}
.cal-callout li + li { margin-top: 4px; }
.cal-callout-reply {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}
.cal-callout-reply input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  font: inherit;
  font-size: 13px;
  background: var(--bg);
  color: var(--fg);
}
.cal-callout-reply input:focus { outline: none; border-color: var(--accent); }

/* ── Disclosures — advanced (RRULE) + source ───────────────────── */
.cal-advanced, .cal-source-disclose {
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  margin-top: 4px;
}
.cal-advanced summary, .cal-source-disclose summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--fg-muted);
  padding: 2px 0;
  list-style: none;
  user-select: none;
  font-weight: 500;
}
.cal-advanced summary::-webkit-details-marker,
.cal-source-disclose summary::-webkit-details-marker { display: none; }
.cal-advanced summary::before,
.cal-source-disclose summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.12s;
  color: var(--fg-weak);
}
.cal-advanced[open] summary::before,
.cal-source-disclose[open] summary::before { content: "▾ "; }
.cal-advanced > div, .cal-source-disclose > div { margin-top: 10px; }
.cal-source-disclose .cal-source-body {
  font-size: 12px;
  color: var(--fg-muted);
  background: var(--bg-soft);
  padding: 10px 12px;
  border-radius: 6px;
  white-space: pre-wrap;
  max-height: 220px;
  overflow-y: auto;
}

/* ── Footer actions ────────────────────────────────────────────── */
.cal-event-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.cal-event-foot .spacer { flex: 1; }
.cal-event-foot .msg { font-size: 12px; color: var(--fg-muted); }
.cal-event-foot .msg.err { color: var(--danger); }
.cal-event-foot .msg.ok { color: #15803d; }

/* ── Terminal pane ─────────────────────────────────────────────── */
.cal-terminal {
  position: sticky;
  top: 16px;
  padding: 0;
  overflow: hidden;
}
.cal-terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.cal-terminal-head h2 {
  font-size: 13px;
  font-weight: 600;
  margin: 0;
}
.cal-terminal-head .muted { margin: 2px 0 0; font-size: 11px; color: var(--fg-muted); }
.cal-terminal-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.cal-terminal-body {
  height: 560px;
  background: #0d1117;
  position: relative;
}
.cal-terminal-empty {
  padding: 24px 20px;
  color: #8b949e;
  font-size: 12px;
  line-height: 1.6;
}
.cal-terminal-empty .accent { color: #d2a8ff; }
.cal-terminal-empty kbd {
  display: inline-block;
  padding: 1px 6px;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 3px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
}
.cal-terminal iframe {
  width: 100%; height: 100%; border: none; display: block;
}

/* ── Status chips (extends .chip) ──────────────────────────────── */
.chip.cal-status-draft     { background: #fef3c7; color: #92400e; }
.chip.cal-status-committed { background: #dcfce7; color: #15803d; }
.chip.cal-status-aborted   { background: #f3f4f6; color: #6b7280; }
.cal-event-head .chip {
  font-size: 10px;
  padding: 2px 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  align-self: center;
}

/* ── Small button overrides ────────────────────────────────────── */
.cal-event-head-actions .btn-ghost,
.cal-terminal-actions .btn-ghost {
  font-size: 11px;
  padding: 4px 10px;
}

/* ── Dark mode polish ──────────────────────────────────────────── */
/* ── Embed mode — page is iframed inside a workbench widget modal ─ */
body.cal-embed .page-header { display: none; }
body.cal-embed main.page { padding: 12px; }
body.cal-embed .cal-workspace { gap: 12px; }
body.cal-embed .cal-card { border-radius: 8px; padding: 16px 18px; }
body.cal-embed .cal-terminal-body { height: calc(100vh - 220px); min-height: 380px; }
body.cal-embed .cal-compose { max-width: none; }

@media (prefers-color-scheme: dark) {
  .cal-card { box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4); }
  .cal-callout.ask { background: #0c1e3a; border-color: #1e3a8a; color: #bfdbfe; }
  .cal-callout-reply input { border-color: #1e3a8a; }
  .cal-terminal-head { background: #161b22; }
  .cal-source-disclose .cal-source-body { background: #161b22; }
  .cal-paste:focus { box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.18); }
}