/*
 * Step 3 — Map Columns. Lifted 1:1 from
 *   Prototypes/financial-statements-wizard/step2-map-columns.html
 * (inline <style> block, lines ~13–1000) for the Q-card / AI-chip /
 * column-tile / layout-card / row-pick / year-list / summary-grid /
 * q-progress pieces. Tokens come from site.css (--navy, --gold,
 * --paper, --bg-soft, --hairline, --r-1, --r-2, --r-pill, --serif,
 * --sans, --mono, --fs-body, --fs-body-sm, --lh-body, --muted,
 * --muted-2, --charcoal).
 *
 * Class names match the prototype verbatim so the Razor pages can
 * port the prototype markup directly. The drawer / row-filters /
 * arrangement-mini / scenario-picker / drawer-col-* rules from the
 * prototype are intentionally NOT ported here — they belong to the
 * deferred sticky-spreadsheet-pane work (Phase B/C follow-up).
 */

:root {
  --mc-gold-bg:   rgba(232, 180, 58, 0.10);
  --mc-gold-bg-2: rgba(232, 180, 58, 0.18);
  --mc-success:   #2e8b57;
}

/* ── File-summary strip — clickable wrapper around the workbook info ─ */
.file-strip {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 18px 22px;
  background: var(--bg-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-1);
  text-align: left;
  cursor: default;
  transition: border-color 160ms, background 160ms, box-shadow 160ms;
}
.file-strip.is-static { cursor: default; }
.file-icon {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--navy);
}
.file-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.file-name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--fs-body);
  color: var(--navy);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.file-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.file-strip-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 0 4px 16px;
  border-left: 1px solid var(--hairline);
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  font-style: italic;
}

/* ── Question card ─────────────────────────────────────────────────── */
.q-card {
  display: flex; flex-direction: column;
  gap: 32px;
  padding: 40px 44px 36px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-2);
}
.q-head { display: flex; flex-direction: column; gap: 14px; max-width: 64ch; }
.q-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  color: var(--muted-2);
  text-transform: uppercase;
}
.q-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.25;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.q-helper {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body);
  max-width: 60ch;
}
.q-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ── AI suggestion chip ────────────────────────────────────────────── */
.ai-chip {
  display: inline-flex; align-items: center; gap: 10px;
  align-self: flex-start;
  padding: 8px 14px 8px 12px;
  background: var(--mc-gold-bg);
  border: 1px solid rgba(232, 180, 58, 0.45);
  border-radius: var(--r-pill);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.4;
  color: var(--navy);
}
.ai-chip-icon {
  flex: 0 0 18px;
  width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.ai-chip-icon svg { width: 18px; height: 18px; }
.ai-chip-action {
  margin-left: 4px;
  padding: 0 4px 0 12px;
  border-left: 1px solid rgba(26, 58, 107, 0.18);
  color: var(--navy);
  font-weight: 600;
  cursor: pointer;
  background: transparent;
}
.ai-chip-action:hover { text-decoration: underline; }

/* ── Column-tile picker (Q3 / Q4, also reused on Q1b sheet picker) ── */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}
.col-tile {
  position: relative;
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px 18px 14px;
  min-height: 110px;
  background: var(--paper);
  border: 1.5px solid var(--hairline);
  border-radius: var(--r-1);
  cursor: pointer;
  transition: border-color 140ms, background 140ms, box-shadow 140ms;
  text-align: left;
  width: 100%;
  font-family: var(--sans);
  color: inherit;
}
.col-tile:hover {
  border-color: var(--muted-2);
  background: var(--bg-soft);
}
.col-tile.is-selected {
  border-color: var(--navy);
  background: var(--mc-gold-bg);
  box-shadow: 0 0 0 1px var(--navy) inset;
}
.col-tile-letter {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
}
.col-tile-preview {
  display: flex; flex-direction: column; gap: 4px;
}
.col-tile-cell {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.col-tile-cell.is-empty { color: var(--muted-2); font-style: italic; }
.ai-badge {
  position: absolute;
  top: 10px; right: 10px;
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px 3px 7px;
  background: var(--paper);
  border: 1px solid var(--gold);
  border-radius: var(--r-pill);
  font-size: 9px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ai-badge svg {
  width: 11px; height: 11px;
  color: var(--gold);
  flex: 0 0 11px;
}

/* ── Layout-choice cards (Q1 arrangement + Q5 amount layout) ───────── */
.layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.layout-card {
  display: flex; flex-direction: column;
  padding: 24px;
  background: var(--paper);
  border: 1.5px solid var(--hairline);
  border-radius: var(--r-1);
  cursor: pointer;
  transition: border-color 140ms, background 140ms;
  position: relative;
  text-align: left;
  font-family: var(--sans);
  color: inherit;
}
.layout-card:hover { border-color: var(--muted-2); background: var(--bg-soft); }
.layout-card.is-selected {
  border-color: var(--navy);
  background: var(--mc-gold-bg);
  box-shadow: 0 0 0 1px var(--navy) inset;
}
.layout-card-title {
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.layout-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  margin: 0 0 20px;
  flex: 1;
}
.layout-mini {
  display: grid;
  grid-template-columns: 84px 1fr;
  column-gap: 8px;
  row-gap: 6px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
}
.layout-mini.is-drcr { grid-template-columns: 84px 1fr 1fr; }
.layout-mini .lm-head {
  color: var(--muted-2);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.layout-mini .lm-name { color: var(--charcoal); }
.layout-mini .lm-amt  { color: var(--navy); text-align: right; }
.layout-mini .lm-amt.is-neg { color: #b1383d; }
.layout-mini .lm-empty { color: var(--muted-2); text-align: right; }
.arr-tabs {
  grid-column: 1 / -1;
  display: flex; gap: 4px;
  margin-bottom: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--hairline);
}
.arr-tab {
  padding: 3px 9px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 4px 4px 0 0;
  font-family: var(--sans);
  font-size: 10px;
  color: var(--muted);
}
.arr-tab.is-active {
  background: var(--mc-gold-bg);
  color: var(--navy);
  font-weight: 600;
  border-color: var(--gold);
}

/* ── Q2 numeric input + inline row preview ─────────────────────────── */
.row-pick {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 24px 28px;
  background: var(--bg-soft);
  border-radius: var(--r-1);
}
.row-pick input {
  width: 96px; padding: 12px 14px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  text-align: center;
}
.row-pick input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.row-pick-preview {
  display: flex; flex-direction: column; gap: 8px;
  min-width: 0;
}
.row-pick-preview-label {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted-2);
}
.row-pick-preview-lines {
  display: flex; flex-direction: column; gap: 4px;
}
.row-pick-preview-line {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--charcoal);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.row-pick-preview-line.is-skipped {
  color: var(--muted-2);
  text-decoration: line-through;
}

/* ── Q6 year-row editor ────────────────────────────────────────────── */
.year-list {
  display: flex; flex-direction: column;
  gap: 12px;
}
.year-row {
  display: grid;
  grid-template-columns: 120px 1fr 36px;
  gap: 20px;
  align-items: end;
  padding: 16px 20px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-1);
}
.year-row.is-drcr        { grid-template-columns: 120px 1fr 1fr 36px; }
.year-row.is-multi-sheet { grid-template-columns: 120px 1fr 1fr 36px; }
.year-row.is-multi-sheet.is-drcr { grid-template-columns: 120px 1.1fr 1fr 1fr 36px; }
.year-field {
  display: flex; flex-direction: column; gap: 6px;
  min-width: 0;
}
.year-field-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
}
.year-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  background: var(--paper);
  text-align: center;
}
.year-col-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  background: var(--paper);
  color: var(--charcoal);
}
.year-remove {
  width: 36px; height: 38px;
  border-radius: 6px;
  color: var(--muted);
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.year-remove:hover { background: var(--bg-soft); color: #b1383d; }
.add-year-btn {
  display: inline-flex; align-items: center; gap: 8px;
  align-self: flex-start;
  padding: 10px 16px;
  margin-top: 4px;
  border: 1px dashed var(--hairline);
  border-radius: var(--r-1);
  color: var(--muted);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  font-family: var(--sans);
}
.add-year-btn:hover { border-color: var(--gold); color: var(--navy); background: var(--bg-soft); }

/* ── Advanced settings (Q6 collapsible) ────────────────────────────── */
.mc-advanced {
  margin-top: 12px;
  border-top: 1px dashed var(--hairline);
  padding-top: 20px;
}
.mc-advanced-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
}
.mc-advanced-toggle:hover { color: var(--navy); }
.mc-advanced-toggle .adv-chev { transition: transform 160ms; font-size: 10px; }
.mc-advanced-toggle.is-open .adv-chev { transform: rotate(180deg); }
.mc-advanced-body {
  display: none;
  flex-direction: column;
  gap: 20px;
  padding-top: 20px;
  max-width: 480px;
}
.mc-advanced-body.is-open { display: flex; }
.mc-adv-field {
  display: flex; flex-direction: column; gap: 8px;
}
.mc-adv-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--charcoal);
  letter-spacing: 0.02em;
}
.mc-adv-field input[type="text"] {
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  max-width: 320px;
  background: var(--paper);
}
.mc-adv-field .adv-hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Q7 Summary screen ─────────────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px 40px;
  padding: 32px 36px;
  background: var(--bg-soft);
  border-radius: var(--r-1);
  align-items: start;
}
.summary-key {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  padding-top: 3px;
}
.summary-val {
  font-family: var(--sans);
  font-size: var(--fs-body-sm);
  color: var(--charcoal);
  line-height: 1.6;
}
.summary-val .mono { font-family: var(--mono); color: var(--navy); }
.preview-title {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
  margin-top: 8px;
}
.preview-rows {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
}
.preview-rows th, .preview-rows td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hairline);
  text-align: left;
}
.preview-rows thead th {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 600;
  border-bottom: 1px solid var(--hairline);
}
.preview-rows td.is-amt {
  text-align: right;
  color: var(--navy);
}
.preview-rows th.is-amt {
  text-align: right;
}

/* ── Mini progress (under the question card) ───────────────────────── */
.q-progress {
  display: flex; align-items: center; justify-content: center;
  gap: 14px;
  padding: 4px 4px 0;
}
.q-progress-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.q-dots { display: inline-flex; gap: 8px; }
.q-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--hairline);
  transition: background 160ms, transform 160ms;
}
.q-dot.is-active { background: var(--navy); transform: scale(1.25); }
.q-dot.is-done   { background: var(--mc-success); }

/* ── Page-level container — sits inside WizardStepCard's inner column.
       Gives the prototype's "wizard-stage" vertical rhythm. */
.mc-stage {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Broken-rules surface for the Q7 ApplyMapping 422. Lists each CSLA rule
   (e.g. TrialBalance.TotalDebits != TotalCredits) so the operator can step
   back to Q2/Q6 with concrete context instead of a bare HTTP code. */
.mc-broken-rules {
  margin: 8px 0 0;
  padding: 14px 18px;
  background: rgba(184, 34, 53, 0.06);
  border: 1px solid rgba(184, 34, 53, 0.30);
  border-radius: var(--r-1);
  color: #6c1525;
}
.mc-broken-rules-title {
  margin: 0 0 6px;
  font-weight: 600;
  font-size: var(--fs-body-sm);
  color: #b82235;
}
.mc-broken-rules-list {
  margin: 0;
  padding-left: 20px;
  font-size: var(--fs-body-sm);
  line-height: 1.45;
}
.mc-broken-rules-list li + li { margin-top: 4px; }

/* Inline-error band reused across Q-cards on submit failure. */
.mc-error {
  margin: 0;
  padding: 12px 16px;
  background: rgba(184, 34, 53, 0.06);
  border: 1px solid rgba(184, 34, 53, 0.30);
  border-radius: var(--r-1);
  color: #b82235;
  font-size: var(--fs-body-sm);
}

/* Loading skeleton for the page-level await on /map-tb/state. */
.mc-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 48px;
  color: var(--muted);
  font-size: var(--fs-body-sm);
  font-family: var(--sans);
}
.mc-loading-spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--hairline);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: mc-spin 0.8s linear infinite;
}
@keyframes mc-spin { to { transform: rotate(360deg); } }