/* Shared chrome for the Mee-Search prototypes.
   Tokens and type inherited from Penang Pulse styles.css / guides/article.css.
   Anything below the "viz-only" marker is new and specific to these views. */

:root {
  --bg: #fafaf8;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --line: #e6e6e2;
  --accent: #0f6e6e;
  --accent-soft: rgba(15, 110, 110, 0.12);

  /* viz-only */
  --surface: #ffffff;
  --line-soft: #f0f0ec;
  --ink-faint: rgba(28, 28, 26, 0.06);
  --stage-bg: #fdfdfb;
  --hi: #b8352f; /* dish red, used for emphasis */
  --warn: #a8632a;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
}

a {
  color: inherit;
}

/* ---------------------------------------------------------------- topbar */

.viz-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

.viz-topbar .back {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.viz-topbar .brand-mini {
  font-family: Fraunces, Georgia, serif;
  font-weight: 560;
  font-size: 0.95rem;
  color: var(--muted);
  text-decoration: none;
}

/* ------------------------------------------------------------- page head */

.viz-head {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 16px 12px;
}

.viz-kicker {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.viz-head h1 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 650;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 6px 0 0;
  font-optical-sizing: auto;
}

.viz-dek {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 46rem;
}

/* --------------------------------------------------------------- controls */

.viz-controls {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 16px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.view-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.view-switch button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease;
}

.view-switch button[aria-pressed="true"] {
  background: var(--accent);
  color: #fff;
}

.view-switch button:focus-visible,
.ctl-btn:focus-visible,
.viz-select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ctl-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ctl-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.ctl-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.ctl-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ctl-btn:disabled {
  opacity: 0.4;
  cursor: default;
  border-color: var(--line);
  color: var(--muted);
}

.ctl-btn[data-on="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.viz-select {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%236b6b66'/></svg>")
    no-repeat right 12px center;
  border-radius: 999px;
  padding: 7px 32px 7px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

input[type="range"] {
  accent-color: var(--accent);
  width: 150px;
  cursor: pointer;
}

/* ----------------------------------------------------------------- stage */

.viz-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 16px 40px;
}

.viz-stage {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--stage-bg);
  overflow: hidden;
  min-height: 520px;
}

.viz-stage svg {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.viz-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* keeps the aspect sane on desktop, tall enough on mobile */
.viz-stage {
  height: min(70vh, 660px);
}

@media (max-width: 700px) {
  .viz-stage {
    height: 68vh;
    min-height: 420px;
  }
}

/* ----------------------------------------------------------------- panel */

.viz-panel {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 300px;
  max-width: calc(100% - 24px);
  /* Use the height that is actually available. Views with a centred subject and
     a dead top-right corner (see 04-bowl-orbit) override this to the full stage. */
  max-height: min(86%, calc(100% - 24px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.viz-panel .p-body {
  /* flex: 1 + min-height: 0 is what actually makes this scroll. Without them the
     body sizes to its content and spills out of the panel, taking the fade
     overlay's reference point with it. */
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  /* the extra bottom padding matches the height of .p-fade: at full scroll the
     last line clears the band instead of sitting under it */
  padding: 14px 14px 46px;
  scrollbar-width: thin;
}

/* Fades in only while there is more text below, so a long dossier never looks
   like it simply stops mid-sentence. */
.viz-panel .p-fade {
  position: absolute;
  /* inset 0, NOT 1px. An absolutely-positioned child is already laid out inside
     the border box, so insetting to "clear the border" instead leaves a 1px strip
     of live, unfaded text visible below the gradient. */
  left: 0;
  right: 0;
  bottom: 0;
  height: 46px;
  border-radius: 0 0 13px 13px;
  /* Alpha has to climb FAST and finish at 1. A gentle ramp to 0.97 leaves a
     readable line of text sitting under the "more" cue, which reads as a
     rendering bug rather than as a fade. Only the top few pixels of a glyph
     should ever show, and faintly. */
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.72) 22%,
    rgba(255, 255, 255, 0.94) 38%,
    #fff 50%,
    #fff 100%
  );
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.viz-panel[data-more="true"] .p-fade {
  opacity: 1;
}

.viz-panel[data-more="true"] .p-fade::after {
  content: "more ↓";
  position: absolute;
  right: 12px;
  bottom: 9px;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.viz-panel[data-open="true"] {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* A dossier that lives in its own column rather than over the view. Nothing to
   fade in, nothing to close, and it never covers the thing it describes. */
.viz-panel--fixed {
  /* relative, NOT static: .p-fade is absolutely positioned and needs this element
     as its containing block. With static it anchored to the page and the "more"
     cue drifted into the middle of the text. */
  position: relative;
  /* MUST reset the floating mode's offsets. .viz-panel sets top/right: 12px for
     position: absolute; under position: relative those become RELATIVE nudges,
     pushing the panel 12px down and 12px left of its grid cell — which is exactly
     how the circle's frame and the dossier's frame ended up misaligned. */
  inset: auto;
  width: auto;
  max-width: none;
  max-height: none;
  /* height comes from the flex parent, not from here */
  height: auto;
  opacity: 1;
  transform: none;
  pointer-events: auto;
  background: var(--surface);
  backdrop-filter: none;
  border-radius: 14px;
}

.viz-panel--fixed .p-close {
  display: none;
}

.viz-panel .p-type {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.viz-panel h3 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 650;
  font-size: 1.1rem;
  line-height: 1.2;
  margin: 4px 0 0;
}

.viz-panel .p-alt {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.viz-panel p {
  margin: 9px 0 0;
}

.viz-panel .p-blurb {
  color: var(--text);
  font-size: 0.88rem;
}

.viz-panel .p-note {
  color: var(--muted);
  font-size: 0.84rem;
  padding-top: 9px;
  margin-top: 9px;
  border-top: 1px solid var(--line);
}

.viz-panel .p-close {
  float: right;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0 0 8px;
}

.viz-panel dl {
  margin: 9px 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 10px;
  font-size: 0.84rem;
}

.viz-panel dt {
  color: var(--muted);
  white-space: nowrap;
}

.viz-panel dd {
  margin: 0;
}

.p-links {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}

.p-links li {
  padding: 5px 0;
  border-top: 1px solid var(--line-soft);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.p-links .l-type {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  flex: 0 0 auto;
}

.p-links button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  text-align: left;
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
}

.p-links button:hover {
  text-decoration: underline;
}

/* ------------------------------------------------------------- badges */

.conf {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.conf-high {
  color: var(--accent);
}
.conf-medium {
  color: var(--warn);
}
.conf-low {
  color: #9a5b4e;
}
.conf-disputed {
  color: var(--hi);
  background: rgba(184, 53, 47, 0.08);
}

.flagpill {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--hi);
  background: rgba(184, 53, 47, 0.08);
  border-radius: 999px;
  padding: 2px 8px;
  margin: 6px 4px 0 0;
}

/* ------------------------------------------------------------- tooltip */

.viz-tip {
  position: fixed;
  z-index: 60;
  pointer-events: none;
  background: var(--text);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 7px;
  max-width: 260px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.14s ease, transform 0.14s ease;
}

.viz-tip[data-open="true"] {
  opacity: 1;
  transform: none;
}

.viz-tip .t-type {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.62;
}

/* -------------------------------------------------------------- legend */

.viz-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 12px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.viz-legend button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: inherit;
  font: inherit;
  transition: opacity 0.18s ease;
}

.viz-legend button[data-off="true"] {
  opacity: 0.32;
}

.viz-legend .swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex: 0 0 auto;
}

.viz-legend .swatch-line {
  width: 18px;
  height: 0;
  border-top-width: 2px;
  border-top-style: solid;
  border-radius: 0;
}

/* ----------------------------------------------------------- footnote */

.viz-foot {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px 48px;
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 46rem;
}

.viz-foot h2 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 560;
  font-size: 1rem;
  color: var(--text);
  margin: 22px 0 6px;
}

.viz-foot kbd,
.viz-hint kbd {
  font-family: inherit;
  font-size: 0.82em;
  font-weight: 600;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 5px;
  background: #fff;
}

.viz-foot code {
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.85em;
}

.viz-hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* --------------------------------------------------- hover easing (svg) */

/* Hover feedback should ease in and out rather than snap. Only opacity-ish
   properties are listed — NEVER `all`, and never `transform`, because the orbit,
   force and particle loops rewrite transform every frame and a transition on it
   would fight them. Views whose highlight is driven by a d3 tween use a named
   d3 transition instead; see hotThread() in 04 and highlight() in 01. */
.viz-stage .link,
.viz-stage .ribbon,
.viz-stage .col-node rect,
.viz-stage .arc,
.viz-stage .thread-arc,
.viz-stage .sat circle,
.viz-stage .ep circle,
.viz-stage .todo circle,
.viz-stage .dish-dot circle,
.viz-stage .lane rect {
  transition: fill-opacity 0.2s ease-in-out, stroke-opacity 0.2s ease-in-out,
    opacity 0.2s ease-in-out, r 0.15s ease-out;
}

/* the tooltip should fade, but never ease its position — that lags the cursor */
.viz-tip {
  transition: opacity 0.16s ease-in-out, transform 0.16s ease-in-out;
}

@media (prefers-reduced-motion: reduce) {
  .viz-stage * {
    transition: none !important;
  }
}

/* --------------------------------------------------------- svg defaults */

.link {
  fill: none;
  stroke: var(--text);
}

.node-label {
  font-size: 10.5px;
  font-weight: 600;
  fill: var(--text);
  paint-order: stroke;
  stroke: var(--stage-bg);
  stroke-width: 3px;
  stroke-linejoin: round;
  pointer-events: none;
}

.node-label.sub {
  font-size: 9.5px;
  font-weight: 500;
  fill: var(--muted);
}

.axis text {
  font-size: 10px;
  fill: var(--muted);
}

.axis line,
.axis path {
  stroke: var(--line);
}

.stage-title {
  font-family: Fraunces, Georgia, serif;
  font-size: 13px;
  font-weight: 560;
  fill: var(--muted);
}

.empty-note {
  font-size: 12px;
  fill: var(--muted);
}

/* --------------------------------------------------------- gallery grid */

.gallery {
  max-width: 1120px;
  margin: 0 auto;
  padding: 6px 16px 56px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.g-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.g-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.g-thumb {
  height: 158px;
  background: var(--stage-bg);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.g-thumb svg {
  display: block;
  width: 100%;
  height: 100%;
}

.g-body {
  padding: 13px 14px 15px;
}

.g-num {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.g-card h2 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 650;
  font-size: 1.08rem;
  line-height: 1.2;
  margin: 5px 0 0;
}

.g-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.g-card .g-answers {
  margin: 9px 0 0;
  font-size: 0.78rem;
  color: var(--text);
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}

.g-card .g-answers strong {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 2px;
}

/* ------------------------------------------------------------- narrow */

/* Several views have long descriptive labels on their pill switches
   ("Thread → community → place → dish"). Those must be allowed to wrap on a
   phone, or the whole page gains horizontal scroll. */
@media (max-width: 760px) {
  .view-switch {
    flex-wrap: wrap;
    border-radius: 16px;
    max-width: 100%;
  }

  .view-switch button {
    white-space: normal;
    font-size: 0.8rem;
    padding: 6px 11px;
    flex: 0 1 auto;
  }

  .ctl-btn {
    font-size: 0.8rem;
    padding: 6px 11px;
  }

  .ctl-label {
    font-size: 0.66rem;
  }

  .viz-controls {
    gap: 8px 10px;
  }

  input[type="range"] {
    width: 108px;
  }

  .viz-select {
    max-width: 100%;
    font-size: 0.8rem;
  }

  .viz-head h1 {
    font-size: 1.42rem;
  }

  .viz-panel {
    width: calc(100% - 24px);
    max-height: 62%;
  }
}

/* respect the reduced-motion preference: these views are motion-heavy */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}