/* Layout and finish for the Mantine UI. Every colour, size and font here comes from the tokens in chartbot/ui_theme.py, which the
   page injects as --cb-* custom properties. Do not write a colour in this file. */

@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--cb-font);
  font-size: var(--cb-fs-body);
  line-height: var(--cb-lh-body);
  color: var(--cb-ink);
  background: var(--cb-cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* A quiet warm wash behind the page, fixed so it does not scroll with the content */
.cb-page {
  min-height: 100vh;
  background:
    radial-gradient(1100px 520px at 8% -8%, var(--cb-sage-wash), transparent 70%),
    radial-gradient(900px 480px at 104% 0%, var(--cb-clay-wash), transparent 70%),
    var(--cb-cream);
}

.cb-skip {
  position: absolute;
  left: var(--cb-space-sm);
  top: -48px;
  z-index: 1000;
  padding: 8px 14px;
  border-radius: var(--cb-radius-md);
  background: var(--cb-primary);
  color: var(--cb-white);
  font-weight: 600;
  text-decoration: none;
}
.cb-skip:focus { top: var(--cb-space-sm); }

:focus-visible {
  outline: 2px solid var(--cb-primary);
  outline-offset: 2px;
}

.cb-sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.cb-link { color: var(--cb-primary); text-underline-offset: 2px; }
.cb-link:hover { color: var(--cb-primary-hover); }

/* ---------------------------------------------------------------- header */
.cb-title {
  margin: 0;
  font-size: var(--cb-fs-page-title);
  font-weight: var(--cb-fw-page-title);
  letter-spacing: var(--cb-ls-page-title);
  line-height: var(--cb-lh-page-title);
  color: var(--cb-ink);
}
.cb-tagline {
  font-size: var(--cb-fs-caption);
  color: var(--cb-muted);
}
.cb-section-title {
  margin: 0;
  font-size: var(--cb-fs-section-title);
  font-weight: var(--cb-fw-section-title);
  letter-spacing: var(--cb-ls-section-title);
  line-height: var(--cb-lh-section-title);
}
.cb-caption {
  font-size: var(--cb-fs-caption);
  line-height: var(--cb-lh-caption);
  color: var(--cb-muted);
}

.cb-avatar {
  background: var(--cb-primary);
  border: 1px solid var(--cb-sand);
  flex: none;
}
.cb-avatar.mantine-Avatar-root { border-radius: 50%; }
.cb-avatar img { object-fit: contain; padding: 3px; border-radius: 50%; }

.cb-page-switch label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------- prompt card */
.cb-card {
  background: var(--cb-parchment);
  border: 1px solid var(--cb-sand);
  box-shadow: var(--cb-shadow-sm);
}

.cb-prompt-card {
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}
.cb-prompt-card:focus-within { box-shadow: var(--cb-shadow-md); outline: 2px solid var(--cb-primary); outline-offset: 2px; }

.cb-prompt-field { position: relative; }
.cb-prompt-textarea {
  padding: 8px 4px !important;
  font-size: var(--cb-fs-body);
  line-height: var(--cb-lh-body);
  color: var(--cb-ink);
  min-height: 84px;
}
.cb-prompt-textarea::placeholder { color: var(--cb-muted); opacity: 1; }
.cb-prompt-textarea:disabled { background: transparent; opacity: 1; cursor: not-allowed; }

.cb-toolbar {
  border-top: 1px solid var(--cb-hairline);
  padding-top: var(--cb-space-sm);
  margin-top: var(--cb-space-xs);
}

.cb-hint { font-size: var(--cb-fs-caption); color: var(--cb-muted); }

/* One coherent status zone: upload progress, run stage, errors */
.cb-status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--cb-space-xs);
  min-height: 24px;
  max-width: 100%;
  font-size: var(--cb-fs-label);
  font-weight: var(--cb-fw-label);
  color: var(--cb-ink);
}
.cb-status-line { display: flex; align-items: center; gap: 8px; min-width: 0; }
.cb-status-line.is-hidden { display: none; }
.cb-status-line.is-error { color: var(--cb-error-text); }
.cb-status-line.is-ready { color: var(--cb-muted); font-weight: 400; }
.cb-status-line svg { flex: none; }

.cb-progress {
  position: absolute !important;
  left: 0; right: 0; bottom: 0;
  height: 3px !important;
  border-radius: 0 !important;
  background: transparent !important;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.cb-progress.is-visible { opacity: 1; }
.cb-progress .mantine-Progress-section { transition: width 0.12s linear; }
.cb-progress.is-reading .mantine-Progress-section { background-color: var(--cb-accent); }

.cb-filepill {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  max-width: 100%;
  padding: 2px 2px 2px 10px;
  border: 1px solid var(--cb-control-border);
  border-radius: 999px;
  background: var(--cb-white);
  font-size: var(--cb-fs-label);
}
.cb-filepill.is-hidden, .is-hidden { display: none; }
.cb-filepill__name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  max-width: 260px;
  padding: 4px 6px 4px 0;
  border: 0;
  background: transparent;
  color: var(--cb-ink);
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}
.cb-filepill__name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-filepill__name:hover { color: var(--cb-primary); }

.cb-page:has(.cb-prompt-card.is-running) .cb-avatar { animation: cb-pulse 1.6s ease-out infinite; }
@keyframes cb-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--cb-primary) 45%, transparent); }
  80%, 100% { box-shadow: 0 0 0 10px transparent; }
}

/* ---------------------------------------------------------------- empty state */
.cb-empty { text-align: center; padding: var(--cb-space-xl) var(--cb-space-md); color: var(--cb-muted); }
.cb-empty.is-hidden { display: none; }

/* ---------------------------------------------------------------- results */
.cb-result-stack { display: flex; flex-direction: column; gap: var(--cb-space-md); }
.cb-editor { width: 100%; }

.cb-chart-card { overflow: hidden; }
.cb-chart-card .js-plotly-plot { border-radius: var(--cb-radius-md); overflow: hidden; }
.cb-chart-card .modebar-btn path { fill: var(--cb-muted); }
.cb-chart-card .modebar-btn:hover path, .cb-chart-card .modebar-btn.active path { fill: var(--cb-primary); }
.cb-chart-card .modebar-group { background: transparent !important; }
.cb-summary { text-align: right; font-size: var(--cb-fs-caption); color: var(--cb-muted); margin-top: 6px; min-height: 1em; }

.cb-skeleton { margin-top: var(--cb-space-sm); }
.cb-skeleton.is-hidden { display: none; }

/* Messages from the app: semantic colours from the tokens, not Mantine's stock palettes */
.cb-alert.mantine-Alert-root {
  --a: var(--cb-info);
  --t: var(--cb-info-text);
  background-color: color-mix(in srgb, var(--a) 8%, var(--cb-parchment));
  border: 1px solid var(--a);
  color: var(--cb-ink);
}
.cb-alert--success.mantine-Alert-root { --a: var(--cb-success); --t: var(--cb-success-text); }
.cb-alert--warning.mantine-Alert-root { --a: var(--cb-warning); --t: var(--cb-warning-text); }
.cb-alert--error.mantine-Alert-root { --a: var(--cb-error); --t: var(--cb-error-text); }
.cb-alert .mantine-Alert-icon { color: var(--a); }
.cb-alert .mantine-Alert-title { color: var(--t); font-weight: 600; }
.cb-alert .mantine-Alert-message { color: var(--cb-ink); }

/* ---------------------------------------------------------------- editor */
.cb-editor .mantine-Fieldset-root { border-color: var(--cb-sand); background: transparent; }
.cb-editor .mantine-Fieldset-legend { font-weight: 600; font-size: var(--cb-fs-label); color: var(--cb-secondary); }
.cb-editor-footer { position: sticky; bottom: 0; background: var(--cb-parchment); padding-top: var(--cb-space-xs); }
.cb-json textarea {
  font-family: var(--cb-font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  tab-size: 2;
}
.cb-colour-row { align-items: flex-start; }
.cb-colour-add { align-self: flex-start; }

/* ---------------------------------------------------------------- explorer, drawer, footer */
.cb-accordion { border: 1px solid var(--cb-sand); border-radius: var(--cb-radius-md); box-shadow: var(--cb-shadow-sm); background: var(--cb-parchment); overflow: hidden; }
.cb-accordion .mantine-Accordion-control:hover { background: var(--cb-sage-soft); }

.ag-theme-alpine {
  --ag-font-family: var(--cb-font);
  --ag-font-size: 13px;
  --ag-foreground-color: var(--cb-ink);
  --ag-secondary-foreground-color: var(--cb-muted);
  --ag-background-color: var(--cb-white);
  --ag-header-background-color: var(--cb-cream);
  --ag-header-foreground-color: var(--cb-ink);
  --ag-odd-row-background-color: var(--cb-parchment);
  --ag-border-color: var(--cb-sand);
  --ag-row-border-color: var(--cb-hairline);
  --ag-row-hover-color: var(--cb-sage-soft);
  --ag-selected-row-background-color: var(--cb-sage-soft);
  --ag-range-selection-background-color: var(--cb-sage-soft);
  --ag-input-border-color: var(--cb-control-border);
  --ag-input-focus-border-color: var(--cb-primary);
  --ag-checkbox-checked-color: var(--cb-primary);
  --ag-active-color: var(--cb-primary);
  --ag-control-panel-background-color: var(--cb-parchment);
  --ag-borders: solid 1px;
  --ag-border-radius: var(--cb-radius-sm);
}

.cb-footer { color: var(--cb-muted); font-size: var(--cb-fs-caption); line-height: 1.6; }
.cb-footer h3 { margin: 0 0 6px; font-size: var(--cb-fs-label); font-weight: 600; color: var(--cb-secondary); }
.cb-footer ul { margin: 0; padding-left: 18px; }
.cb-footer p { margin: 0 0 6px; }

.cb-steps { padding-left: 20px; margin: 0; font-size: var(--cb-fs-label); line-height: 1.6; color: var(--cb-ink); }
.cb-steps li { margin-bottom: 14px; }
.cb-tips { padding-left: 20px; margin: 0; font-size: var(--cb-fs-label); line-height: 1.6; color: var(--cb-muted); }

/* ---------------------------------------------------------------- gallery */
.cb-gallery-item { border-radius: var(--cb-radius-lg); height: 100%; }
.cb-gallery-card.mantine-Card-root {
  height: 100%;
  background: var(--cb-parchment);
  border: 1px solid var(--cb-sand);
  box-shadow: var(--cb-shadow-xs);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.cb-gallery-item:hover .cb-gallery-card.mantine-Card-root,
.cb-gallery-item:focus-within .cb-gallery-card.mantine-Card-root {
  box-shadow: var(--cb-shadow-lg);
  transform: translateY(-2px);
  border-color: var(--cb-sage);
}
.cb-gallery-item:focus-visible { outline: 2px solid var(--cb-primary); outline-offset: 3px; }
.cb-gallery-thumb { background: var(--cb-white); border-bottom: 1px solid var(--cb-hairline); }
.cb-gallery-thumb img { aspect-ratio: 16 / 10; object-fit: contain; }

@media (max-width: 560px) {
  .cb-title { font-size: calc(var(--cb-fs-page-title) - 4px); }
  .cb-toolbar > * { flex: 1 1 100%; }
  .cb-status { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .cb-page:has(.cb-prompt-card.is-running) .cb-avatar { animation: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--cb-primary) 45%, transparent); }
  .cb-gallery-item:hover .cb-gallery-card.mantine-Card-root, .cb-gallery-item:focus-within .cb-gallery-card.mantine-Card-root { transform: none; }
}