/* Data visualisation layer: one hue, quiet surfaces, photo-led rows.
   Shared by Top Foods, food detail pages, and the weekly guide. */

:root {
  --viz-fill: var(--accent);
  --viz-fill-strong: var(--accent-2);
  --viz-track: #e9e5da;
  --viz-hover: #f7f5ef;
  --viz-peach: #f6e6d6;
  --viz-peach-ink: #7a4a22;
  --viz-sticky-top: 72px;
}

/* Page rhythm */
.viz-page .content-card {
  padding: clamp(20px, 3.4vw, 36px);
  border-radius: 20px;
}

.viz-page .content-title {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.viz-page .content-summary {
  font-size: 0.95rem;
  line-height: 1.6;
}

.viz-section-title {
  margin: 0;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

:where(.viz-note, .viz-summary, .viz-chips) {
  margin: 0;
}

.viz-note {
  max-width: 72ch;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.viz-note a,
.viz-summary a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(38, 48, 56, 0.3);
  text-underline-offset: 3px;
}

.viz-note a:hover,
.viz-summary a:hover {
  color: var(--accent-2);
  text-decoration-color: currentColor;
}

/* One-line chart summary with an info popover */
.viz-summary {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.viz-summary strong {
  color: var(--ink);
  font-weight: 600;
}

.viz-summary .caution {
  margin-left: 6px;
  vertical-align: -5px;
}

/* Disclosure for long caveats */
.viz-more {
  margin-top: 14px;
}

.viz-more > summary {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(38, 48, 56, 0.3);
  text-underline-offset: 4px;
}

.viz-more > summary::-webkit-details-marker {
  display: none;
}

.viz-more > summary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.viz-more[open] > summary::after {
  margin-top: 3px;
  transform: rotate(-135deg);
}

.viz-more > summary:hover {
  text-decoration-color: currentColor;
}

.viz-more > :not(summary) {
  margin-top: 12px;
}

/* Nutrient chips */
.viz-chips {
  position: relative;
  padding: 2px;
  display: flex;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  border: 0;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.viz-chips::-webkit-scrollbar {
  display: none;
}

.viz-chip,
.viz-segment {
  position: relative;
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.viz-chip input,
.viz-segment input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.viz-chip span {
  min-height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink);
  background: var(--card);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease;
}

.viz-chip input:hover + span {
  border-color: var(--ink);
}

.viz-chip input:checked + span {
  border-color: var(--accent-2);
  color: #fffefb;
  background: var(--accent-2);
}

.viz-chip input:focus-visible + span,
.viz-segment input:focus-visible + span {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

/* Two-option segmented control */
.viz-segmented {
  margin: 0;
  padding: 4px;
  display: inline-grid;
  grid-auto-columns: 1fr;
  grid-auto-flow: column;
  flex: 0 0 auto;
  border: 0;
  border-radius: 999px;
  background: var(--viz-track);
}

.viz-segment span {
  min-height: 34px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 150ms ease, color 150ms ease, box-shadow 150ms ease;
}

.viz-segment input:checked + span {
  color: var(--ink);
  background: var(--card);
  box-shadow: 0 1px 2px rgba(38, 48, 56, 0.08), 0 3px 10px rgba(38, 48, 56, 0.06);
  font-weight: 600;
}

.viz-controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Sticky toolbar */
.viz-toolbar {
  position: sticky;
  top: var(--viz-sticky-top);
  z-index: 8;
  margin: 0 -8px;
  padding: 12px 8px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(243, 240, 232, 0.94);
  backdrop-filter: blur(12px);
}

.viz-toolbar .viz-chips {
  flex: 1 1 auto;
  mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent);
}

/* Bars */
.viz-bar {
  position: relative;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--viz-track);
}

.viz-bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--pct, 0%);
  border-radius: inherit;
  background: var(--viz-fill);
  transform-origin: left center;
}

.viz-bar.is-full .viz-bar-fill {
  background: var(--viz-fill-strong);
}

.viz-value {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.viz-check {
  margin-right: 3px;
  color: var(--accent-2);
  font-size: 0.8em;
}

@media (prefers-reduced-motion: no-preference) {
  .viz-bar-fill {
    animation: viz-grow 520ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }

  .viz-fade {
    animation: viz-fade 360ms ease-out both;
  }
}

@keyframes viz-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@keyframes viz-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Food rows: thumbnail, name, value, bar */
.viz-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.viz-row {
  position: relative;
  padding: 10px 12px;
  display: grid;
  grid-template-areas:
    "thumb copy value"
    "thumb bar bar";
  grid-template-columns: 68px minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 16px;
  row-gap: 8px;
  border-radius: 12px;
  transition: background 150ms ease;
}

.viz-row:hover,
.viz-row:focus-within {
  background: var(--viz-hover);
}

.viz-row:has(.viz-name a:focus-visible) {
  outline: 2px solid var(--accent-2);
  outline-offset: -2px;
}

.viz-row .viz-thumb { grid-area: thumb; }
.viz-row .viz-copy { grid-area: copy; }
.viz-row .viz-value { grid-area: value; }
.viz-row .viz-bar { grid-area: bar; }

.viz-thumb {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 12px;
  color: var(--accent-2);
  background: var(--viz-track);
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.5rem;
  line-height: 1;
  object-fit: cover;
}

.viz-copy {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.viz-name {
  min-width: 0;
  margin: 0;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.viz-name a {
  color: inherit;
  text-decoration: none;
}

.viz-name a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 12px;
}

.viz-name a:focus-visible {
  outline: none;
}

.viz-detail {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viz-copy .caution {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
}

/* Hover/focus tooltip with the absolute amount */
.viz-tip {
  position: absolute;
  right: 12px;
  bottom: calc(100% - 4px);
  z-index: 3;
  padding: 6px 10px;
  border-radius: 8px;
  color: #fffefb;
  background: var(--ink);
  font-size: 0.76rem;
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 140ms ease, transform 140ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .viz-row:hover .viz-tip {
    opacity: 1;
    transform: translateY(0);
  }
}

.viz-row:focus-within .viz-tip {
  opacity: 1;
  transform: translateY(0);
}

/* Group cards */
.viz-card {
  min-width: 0;
  padding: 20px 10px 10px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
  scroll-margin-top: calc(var(--viz-sticky-top) + 84px);
}

.viz-card-title {
  margin: 0 12px 8px;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.1;
}

/* Popovers: safety pill and info button share caution.js positioning */
.caution {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.caution-trigger {
  width: 22px;
  height: 22px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--viz-peach-ink);
  background: var(--viz-peach);
  font: 700 0.72rem/1 "Geist", "Segoe UI", sans-serif;
  cursor: pointer;
  transition: background 150ms ease;
}

.caution-trigger:hover,
.caution-trigger[aria-expanded="true"] {
  background: #efd6bf;
}

.caution-trigger:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.caution.is-info .caution-trigger {
  border: 1px solid var(--border-strong);
  color: var(--muted);
  background: transparent;
  font: italic 400 0.95rem/1 "Instrument Serif", Georgia, serif;
}

.caution.is-info .caution-trigger:hover,
.caution.is-info .caution-trigger[aria-expanded="true"] {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--card);
}

.caution-popover {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  width: min(320px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--ink);
  background: var(--card);
  box-shadow: 0 12px 32px rgba(38, 48, 56, 0.14);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.caution-popover::before {
  content: "";
  position: absolute;
  top: -6px;
  left: calc(var(--arrow-left, 24px) - 6px);
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  background: var(--card);
  transform: rotate(45deg);
}

.caution-popover[data-placement="above"]::before {
  top: auto;
  bottom: -6px;
  border: 0;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.caution-popover[data-open="1"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Pill link lists */
.viz-pill-links {
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.viz-pill-links a {
  min-height: 38px;
  padding: 8px 14px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink);
  background: var(--card);
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color 150ms ease;
}

.viz-pill-links a:hover,
.viz-pill-links a:focus-visible {
  border-color: var(--ink);
}

/* Divided link list for longer labels */
.viz-link-list {
  margin: 14px 0 0;
  padding: 0;
  columns: 2;
  column-gap: 40px;
  list-style: none;
}

.viz-link-list li {
  break-inside: avoid;
  border-bottom: 1px solid var(--border);
}

.viz-link-list a {
  padding: 13px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.4;
  text-decoration: none;
}

.viz-link-list a::after {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-top: 1.5px solid var(--muted);
  border-right: 1.5px solid var(--muted);
  transform: rotate(45deg);
}

.viz-link-list a:hover,
.viz-link-list a:focus-visible {
  color: var(--accent-2);
}

/* Quiet tables */
.viz-page .table-shell {
  border-radius: 14px;
}

.viz-page .data-table thead th {
  background: transparent;
  font-size: 0.7rem;
  font-weight: 600;
}

.viz-page .data-table th,
.viz-page .data-table td {
  padding: 12px 16px;
  font-size: 0.9rem;
}

.viz-page .data-table tbody th {
  font-weight: 500;
}

.viz-page .data-table .is-num {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

@media (max-width: 720px) {
  :root {
    --viz-sticky-top: 87px;
  }

  .viz-link-list {
    columns: 1;
  }

  .viz-toolbar {
    margin: 0 -16px;
    padding: 10px 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .viz-toolbar .viz-segmented {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .viz-row {
    padding: 10px 8px;
    grid-template-columns: 56px minmax(0, 1fr) auto;
    column-gap: 12px;
  }

  .viz-thumb {
    width: 56px;
    height: 56px;
  }

  .viz-card {
    padding: 16px 6px 6px;
  }
}