/* ── canon-charts.css — the Charts page (charts.html, feature_chart_builder) ──
   Layout and the builder's fields. The chart itself is css/nd-chart.css. The
   fields match .bk-modal's (canon-chrome.css) so a select here looks like a
   select anywhere else in Books. Canon tokens only. */

@layer components {
  :root.canon-v5 #chRoot [hidden] { display: none; }

  /* ── Rows of things: templates, saved charts ───────────────────────────── */
  :root.canon-v5 .ch-row-h { display: flex; align-items: center; gap: var(--sp-3); margin: var(--sp-2) var(--sp-0) var(--sp-3); }
  :root.canon-v5 .ch-row-h::after { content: ""; flex: 1; height: 1px; background: var(--c-border); }
  :root.canon-v5 #chSavedWrap .ch-row-h { margin-top: var(--sp-8); }

  :root.canon-v5 .ch-tpls { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-5); }
  :root.canon-v5 .ch-tpl {
    display: inline-flex; align-items: center; gap: var(--sp-2);
    height: 32px; padding: var(--sp-0) var(--sp-3);
    border: 1px solid var(--c-border); border-radius: 999px; background: var(--c-card);
    color: var(--c-text-2); font: inherit; font-size: 12px; font-weight: 500; cursor: pointer;
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  :root.canon-v5 .ch-tpl i { font-size: 15px; color: var(--c-accent); }
  :root.canon-v5 .ch-tpl:hover { border-color: var(--c-border-2); color: var(--c-text); background: var(--c-card-2); }
  :root.canon-v5 .ch-tpl:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

  /* ── Builder + chart ───────────────────────────────────────────────────── */
  :root.canon-v5 .ch-layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: var(--sp-4); align-items: start; }
  @media (max-width: 900px) {
    :root.canon-v5 .ch-layout { grid-template-columns: minmax(0, 1fr); }
  }

  :root.canon-v5 .ch-build { padding: var(--sp-4) var(--sp-4) var(--sp-5); gap: var(--sp-4); }
  :root.canon-v5 .ch-f { display: flex; flex-direction: column; gap: var(--sp-1_5); min-width: 0; }
  :root.canon-v5 .ch-lbl {
    font-size: 10px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--c-cap);
  }
  :root.canon-v5 .ch-hint { font-weight: 400; letter-spacing: .04em; text-transform: none; }
  :root.canon-v5 .ch-build select,
  :root.canon-v5 .ch-build input[type="date"] {
    display: block; width: 100%; min-width: 0; box-sizing: border-box;
    height: 34px; padding: var(--sp-0) var(--sp-2_5);
    background: var(--c-sunken); border: 1px solid var(--c-border); border-radius: 6px;
    color: var(--c-text); font-family: inherit; font-size: 13px;
    transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
  }
  :root.canon-v5 .ch-build select:hover,
  :root.canon-v5 .ch-build input[type="date"]:hover { border-color: var(--c-border-2); }
  :root.canon-v5 .ch-build select:focus,
  :root.canon-v5 .ch-build input[type="date"]:focus {
    background: var(--c-card); border-color: var(--c-accent-edge); box-shadow: 0 0 0 3px var(--c-accent-soft); outline: none;
  }
  :root.canon-v5 .ch-build select:disabled { opacity: .55; cursor: not-allowed; }
  :root.canon-v5 .ch-custom { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
  :root.canon-v5 .ch-dates { margin: var(--sp-0); font-size: 11.5px; color: var(--c-cap); }
  :root.canon-v5 #chAddFilter { align-self: flex-start; }

  /* A filter: which group, which values, remove. */
  :root.canon-v5 .ch-filter { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: var(--sp-1_5); margin-bottom: var(--sp-1_5); }
  :root.canon-v5 .ch-rm { width: 34px; height: 34px; justify-content: center; padding: var(--sp-0); }
  :root.canon-v5 .ch-pick { position: relative; min-width: 0; }
  :root.canon-v5 .ch-pick summary {
    list-style: none; height: 34px; display: flex; align-items: center; padding: var(--sp-0) var(--sp-2_5);
    background: var(--c-sunken); border: 1px solid var(--c-border); border-radius: 6px;
    font-size: 13px; color: var(--c-text); cursor: pointer; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  }
  :root.canon-v5 .ch-pick summary::-webkit-details-marker { display: none; }
  :root.canon-v5 .ch-pick[open] summary { border-color: var(--c-accent-edge); background: var(--c-card); }
  :root.canon-v5 .ch-pick-list {
    position: absolute; z-index: 20; top: calc(100% + var(--sp-1)); left: var(--sp-0); min-width: 220px; max-height: 280px; overflow: auto;
    padding: var(--sp-1_5); background: var(--c-card); border: 1px solid var(--c-border); border-radius: 8px;
    box-shadow: var(--float); font-size: 12.5px; color: var(--c-text-2);
  }
  :root.canon-v5 .ch-pick-list label {
    display: flex; align-items: center; gap: var(--sp-2); padding: var(--sp-1_5) var(--sp-2); border-radius: 4px; cursor: pointer; color: var(--c-text);
  }
  :root.canon-v5 .ch-pick-list label:hover { background: var(--c-sunken); }
  :root.canon-v5 .ch-pick-list input { accent-color: var(--c-accent); }
  :root.canon-v5 .ch-pick-more { margin: var(--sp-1) var(--sp-2) var(--sp-0); font-size: 11px; color: var(--c-cap); }

  /* ── The chart card ────────────────────────────────────────────────────── */
  :root.canon-v5 .ch-view { padding: var(--sp-5); min-height: 420px; }
  :root.canon-v5 .ch-view-h { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); }
  :root.canon-v5 .ch-view-h h2 { margin: var(--sp-0); font-size: 15px; font-weight: 600; letter-spacing: -.005em; }
  :root.canon-v5 .ch-view-h h2::first-letter { text-transform: uppercase; }
  :root.canon-v5 .ch-view-h p { margin: var(--sp-1) var(--sp-0) var(--sp-0); font-size: 12px; color: var(--c-cap); }
  :root.canon-v5 .ch-types { flex-wrap: wrap; }
  :root.canon-v5 .ch-types button { display: inline-flex; align-items: center; gap: var(--sp-1); }
  :root.canon-v5 .ch-types i { font-size: 14px; }
  /* Refetch keeps the frame: the last chart stays, dimmed, until the new one
     lands. No skeleton, no layout jump. */
  :root.canon-v5 .ch-plot { transition: opacity .15s ease; }
  :root.canon-v5 .ch-plot.is-loading { opacity: .45; }
  :root.canon-v5 .ch-basis { margin: var(--sp-4) var(--sp-0) var(--sp-0); padding-top: var(--sp-3); border-top: 1px solid var(--c-border); font-size: 11.5px; line-height: 1.55; color: var(--c-cap); }
  :root.canon-v5 .ch-err { border-style: solid; color: var(--c-text-2); }

  /* ── Saved charts ──────────────────────────────────────────────────────── */
  :root.canon-v5 .ch-saved { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--sp-2); }
  :root.canon-v5 .ch-saved-i {
    display: flex; align-items: center; gap: var(--sp-1_5); padding: var(--sp-1_5) var(--sp-2) var(--sp-1_5) var(--sp-1_5);
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: 8px;
  }
  :root.canon-v5 .ch-saved-i.is-on { border-color: var(--c-accent-edge); box-shadow: 0 0 0 3px var(--c-accent-soft); }
  :root.canon-v5 .ch-saved-open {
    flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: var(--sp-0_5);
    padding: var(--sp-1_5) var(--sp-2); border: 0; border-radius: 6px; background: none; color: var(--c-text);
    font: inherit; text-align: left; cursor: pointer;
  }
  :root.canon-v5 .ch-saved-open:hover:not(:disabled) { background: var(--c-sunken); }
  :root.canon-v5 .ch-saved-open:disabled { cursor: default; opacity: .6; }
  :root.canon-v5 .ch-saved-open b { font-size: 13px; font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  :root.canon-v5 .ch-saved-open span { font-size: 11.5px; color: var(--c-cap); }
  :root.canon-v5 .ch-none { margin: var(--sp-0); font-size: 12.5px; color: var(--c-cap); }

  /* ── Notes and the upsell ──────────────────────────────────────────────── */
  :root.canon-v5 .ch-note {
    display: flex; align-items: flex-start; gap: var(--sp-2); margin-bottom: var(--sp-4); padding: var(--sp-2_5) var(--sp-3);
    border: 1px solid var(--c-border); border-radius: 8px; background: var(--c-sunken); color: var(--c-text-2); font-size: 13px;
  }
  :root.canon-v5 .ch-note i { color: var(--c-accent); }
  :root.canon-v5 .ch-upsell { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--sp-6); padding: var(--sp-6); align-items: center; }
  @media (max-width: 900px) {
    :root.canon-v5 .ch-upsell { grid-template-columns: minmax(0, 1fr); }
  }
  :root.canon-v5 .ch-upsell h2 { margin: var(--sp-2) var(--sp-0) var(--sp-2); font-size: 22px; font-weight: 600; letter-spacing: -.02em; }
  :root.canon-v5 .ch-upsell p { margin: var(--sp-0) var(--sp-0) var(--sp-5); color: var(--c-text-2); font-size: 13.5px; line-height: 1.6; }
  :root.canon-v5 .ch-upsell-demo { position: relative; padding: var(--sp-4); border: 1px solid var(--c-border); border-radius: 8px; background: var(--c-card); }
  :root.canon-v5 .ch-demo-tag {
    position: absolute; top: var(--sp-2); right: var(--sp-2); z-index: 1;
    padding: var(--sp-0_5) var(--sp-2); border-radius: 999px; background: var(--c-sunken);
    font-size: 10.5px; font-weight: 600; letter-spacing: .04em; color: var(--c-cap);
  }
}