/* ============================================================================
   JELLY LAB — showcase environment (NOT shipped to BIAB; this is the studio)
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

/* the [hidden] attr must win over .control{display:flex} etc. (it's what hides
   the gradient's 2nd-color panel until the Gradient toggle is on) */
[hidden] { display: none !important; }

:root {
  /* dark "studio" by default — the popsicle's moody backdrop */
  --bg-0: #15101f;
  --bg-1: #1d1530;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-line: rgba(255, 255, 255, 0.09);
  --ink: #ece7f6;
  --ink-dim: #a99fc4;
  --ink-faint: #6f6690;
  --accent: #c77dff;
  --grain: 0.04;
  color-scheme: dark;
}

[data-theme="light"] {
  /* the frosted blue BIAB sidebar environment */
  --bg-0: #dbe6f0;
  --bg-1: #c9dcec;
  --panel: rgba(255, 255, 255, 0.55);
  --panel-line: rgba(40, 60, 90, 0.10);
  --ink: #2a3550;
  --ink-dim: #5b6a86;
  --ink-faint: #8a97b0;
  --accent: #5b7cf0;
  --grain: 0.025;
  color-scheme: light;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 12% -10%, color-mix(in oklab, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(100% 70% at 100% 0%, color-mix(in oklab, #ff7ad9 16%, transparent), transparent 55%),
    radial-gradient(120% 90% at 50% 120%, color-mix(in oklab, #5bb8ff 14%, transparent), transparent 60%),
    linear-gradient(165deg, var(--bg-1), var(--bg-0));
  background-attachment: fixed;
  transition: color 0.5s ease, background 0.6s ease;
  -webkit-font-smoothing: antialiased;
}

/* subtle film grain so the gradients never band */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- layout ---- */
.wrap {
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(24px, 5vw, 64px) clamp(20px, 4vw, 48px) 96px;
}

/* ---- masthead ---- */
.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: clamp(32px, 6vw, 64px);
}

.brand { display: flex; align-items: center; gap: 18px; }

.brand-mark {
  --c: #d65bff;
  --jelly-size: 58px;
  flex: none;
}

.title {
  font-family: "Bricolage Grotesque", serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 0;
  background: linear-gradient(92deg, var(--ink), color-mix(in oklab, var(--accent) 60%, var(--ink)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.title em {
  font-style: italic;
  background: linear-gradient(92deg, #ff7ad9, #c77dff 55%, #5bb8ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.kicker {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 6px;
}
.lede {
  margin: 14px 0 0;
  max-width: 46ch;
  color: var(--ink-dim);
  font-size: 1.02rem;
  line-height: 1.55;
}

/* ---- theme toggle ---- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.theme-toggle button {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-dim);
  background: transparent;
  border: 0;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.theme-toggle button[aria-pressed="true"] {
  color: var(--ink);
  background: color-mix(in oklab, var(--accent) 26%, transparent);
}

/* ---- section scaffolding ---- */
.section { margin-top: clamp(48px, 8vw, 88px); }
.section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
}
.section-head h2 {
  font-family: "Bricolage Grotesque", serif;
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin: 0;
}
.section-head .num {
  font-family: "Bricolage Grotesque", serif;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
}
.section-head p {
  margin: 0;
  margin-left: auto;
  color: var(--ink-faint);
  font-size: 0.9rem;
  max-width: 34ch;
  text-align: right;
}
/* On narrow screens the baseline row crams the heading (wrapping it) and jams the
   right-aligned blurb beside it — stack it and left-align instead. */
@media (max-width: 720px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .section-head p {
    margin-left: 0;
    max-width: none;
    text-align: left;
  }
}

/* ---- panel surface ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 26px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.6);
}

/* ============================================================================
   1. IN-CONTEXT SIDEBAR  (faithful BIAB nav, jelly-fied)
   ========================================================================== */
.demo-grid {
  display: grid;
  /* minmax(0, 1fr) — not bare 1fr — so the track can shrink below its content's
     min-content width instead of forcing the page wider. */
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 28px;
}
@media (max-width: 760px) { .demo-grid { grid-template-columns: minmax(0, 1fr); } }

.sidebar {
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 18px 14px 8px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 12px;
  border-radius: 16px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s;
}
.nav-item:hover { background: color-mix(in oklab, var(--ink) 6%, transparent); }
.nav-item.is-current {
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  border-color: color-mix(in oklab, var(--accent) 22%, transparent);
}
.nav-item .label {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink-dim);
}
.nav-item.is-current .label { color: var(--ink); }
.nav-item .jelly { --jelly-size: 46px; flex: none; }

/* the right pane of the demo: caption + notes */
.demo-note {
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}
.demo-note h3 {
  font-family: "Bricolage Grotesque", serif;
  font-size: 1.3rem;
  margin: 0;
}
.demo-note p { margin: 0; color: var(--ink-dim); line-height: 1.6; }
.demo-note .pill {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 26%, transparent);
  padding: 5px 12px;
  border-radius: 999px;
}

/* ============================================================================
   2. THE PALETTE  (every icon as a jelly chip)
   ========================================================================== */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
  gap: 14px;
}
.swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 12px 18px;
  border-radius: 22px;
  background: color-mix(in oklab, var(--ink) 3%, transparent);
  border: 1px solid var(--panel-line);
  transition: transform 0.3s cubic-bezier(0.22, 1.2, 0.36, 1), background 0.3s;
}
.swatch:hover { transform: translateY(-3px); background: color-mix(in oklab, var(--ink) 6%, transparent); }
.swatch .jelly { --jelly-size: 60px; }
.swatch .name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-dim);
  text-align: center;
}

/* 50-color spectrum */
.spectrum-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(54px, 1fr));
  gap: 16px 14px;
  justify-items: center;
}
.spectrum-cell { display: grid; place-items: center; }

/* ============================================================================
   3. LAB CONTROLS  +  live code readout
   ========================================================================== */
.lab {
  display: grid;
  /* minmax(0, 1fr) on the stage column so the live code readout (white-space: pre)
     in the controls scrolls inside its own box instead of blowing out the grid
     track — which was forcing the whole page wider than the viewport on mobile. */
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  gap: 28px;
}
@media (max-width: 860px) { .lab { grid-template-columns: minmax(0, 1fr); } }

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 48px;
  min-height: 360px;
  position: relative;
  overflow: hidden;
  min-width: 0; /* allow the grid item to shrink below its content (mobile) */
}
.stage-buttons {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* segmented preview-shape toggle */
.shape-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: color-mix(in oklab, var(--ink) 8%, transparent);
  border: 1px solid var(--panel-line);
}
.shape-toggle button {
  flex: 1;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-dim);
  background: transparent;
  border: 0;
  padding: 7px 10px;
  border-radius: 9px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.shape-toggle button[aria-pressed="true"] {
  color: var(--ink);
  background: color-mix(in oklab, var(--accent) 24%, transparent);
}
.stage .jelly { --jelly-size: var(--lab-size, 128px); }
.stage-floor {
  position: absolute;
  inset: auto 0 0 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, color-mix(in oklab, var(--ink) 8%, transparent));
}

.controls { padding: 26px 28px; display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.controls h3 {
  font-family: "Bricolage Grotesque", serif;
  margin: 0;
  font-size: 1.1rem;
}
.control { display: flex; flex-direction: column; gap: 9px; }
.control .row { display: flex; justify-content: space-between; align-items: baseline; }
.control label { font-size: 0.86rem; font-weight: 600; }
.control .val { font-family: "Geist Mono", ui-monospace, monospace; font-size: 0.78rem; color: var(--ink-faint); }
.control input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--ink) 14%, transparent);
  cursor: pointer;
}
.control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 30%, transparent);
}
.swatch-row { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch-dot {
  width: 28px; height: 28px;
  border-radius: 9px;
  border: 1px solid var(--panel-line);
  cursor: pointer;
  transition: transform 0.18s;
}
.swatch-dot:hover { transform: scale(1.12); }
.swatch-dot[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 2px; }

/* the "no accent" chip — a white swatch with a black border and a red slash,
   the universal "none" mark. Selecting it strips the hue (white glass). */
.swatch-none {
  position: relative;
  background: #fff;
  border: 1.5px solid #111;
  overflow: hidden;
}
.swatch-none::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150%;
  height: 2.5px;
  border-radius: 2px;
  background: #e5361f;                       /* red slash */
  transform: translate(-50%, -50%) rotate(45deg);
}

.toggle-row { display: flex; align-items: center; justify-content: space-between; }
.toggle-row label { font-size: 0.86rem; font-weight: 600; }
.switch { position: relative; width: 44px; height: 26px; flex: none; }
/* the checkbox sits ON TOP and receives the click; the track is decorative */
.switch input {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer;
}
.switch .track {
  position: absolute; inset: 0; border-radius: 999px; pointer-events: none;
  background: color-mix(in oklab, var(--ink) 16%, transparent);
  transition: background 0.25s;
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; transition: transform 0.25s cubic-bezier(0.22, 1.4, 0.36, 1);
}
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(18px); }

/* code readout */
.code {
  margin-top: 22px;
  padding: 20px 22px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.30);
  border: 1px solid var(--panel-line);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.74rem;
  line-height: 1.7;
  color: #d8cff0;
  overflow-x: auto;
  white-space: pre;
  min-width: 0;   /* with the parents shrinkable, overflow-x: auto now scrolls the
                     code here instead of the whole page */
  max-width: 100%;
}
[data-theme="light"] .code { background: rgba(20, 30, 55, 0.06); color: #3a3258; }
.code .tok-prop { color: #9bb8ff; }
.code .tok-val  { color: #ffb4e6; }
.code .tok-comment { color: var(--ink-faint); font-style: italic; }

.copy-btn {
  margin-top: 14px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  background: color-mix(in oklab, var(--accent) 20%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent) 32%, transparent);
  border-radius: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.copy-btn:hover { background: color-mix(in oklab, var(--accent) 30%, transparent); }
.copy-btn:active { transform: scale(0.97); }

/* ---- footer ---- */
.foot {
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--panel-line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-faint);
  font-size: 0.84rem;
}
.foot code {
  font-family: "Geist Mono", ui-monospace, monospace;
  color: var(--ink-dim);
}

/* page-load reveal */
@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal { animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }