/* Bloom's page: the app's own room. Two lights -- the Darkroom (near-black,
   the lily's violet as a safelight) and Sunlight (a warm wall, the sun's gold)
   -- switched by the button at the top, remembered. 3 px corners, hairline
   rules, quiet mono labels, light that comes from the photographs. */

:root {
  --petal: #6668D1;      /* the lily's outer petal */
  --throat: #882A82;     /* its throat */
  --filament: #ECE8F4;
  --sans: "Segoe UI Light", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: "Cascadia Mono", Consolas, "SF Mono", ui-monospace, monospace;
}
html[data-light="darkroom"] {
  --bg: #060609; --surface: #0D0C12; --wall: #030305;
  --ink: #F2F0F5; --body: rgba(242, 240, 245, .70); --quiet: rgba(242, 240, 245, .40);
  --rule: rgba(255, 255, 255, .14); --accent: var(--petal); --glow: var(--petal);
  --burn-base: #141019; --burn-peak: var(--petal); --burn-core: var(--filament);
  --button-ink: #F2F0F5;
  color-scheme: dark;
}
html[data-light="sunlight"] {
  --bg: #ECE7DD; --surface: #FBF9F4; --wall: #E6E0D4;
  --ink: #231E19; --body: rgba(35, 30, 25, .72); --quiet: rgba(35, 30, 25, .45);
  --rule: rgba(42, 33, 24, .16); --accent: #B07818; --glow: #F0B03C;
  --burn-base: #6E4A12; --burn-peak: #E09A2A; --burn-core: #FFF4DC;
  --button-ink: #231E19;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 300;
  transition: background .5s ease, color .5s ease;
  -webkit-font-smoothing: antialiased;
}
/* The room's grain, under everything, never on a photograph. */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1; opacity: .05;
  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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: inherit; }
h2 { font-weight: 300; font-size: clamp(26px, 3.2vw, 36px); margin: 0 0 14px; letter-spacing: .2px; }
.body { color: var(--body); line-height: 1.7; font-size: 16px; max-width: 62ch; margin: 0 0 14px; }
.fine { color: var(--quiet); font-family: var(--mono); font-size: 12px; line-height: 1.7; max-width: 70ch; }
.fine a { color: var(--accent); }
code { font-family: var(--mono); font-size: 12px; }

/* ----------------------------------------------------------------- bar -- */
.bar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  height: 54px; padding: 0 clamp(18px, 4vw, 40px);
  background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
}
.mark { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.mark-icon { width: 18px; height: 18px; border-radius: 3px; background: url("/img/bloom-180.png") center / cover; }
.mark-word { font-family: var(--mono); font-size: 11px; letter-spacing: 3.2px; color: var(--body); }
.bar-right { display: flex; align-items: center; gap: 18px; }
.light {
  display: flex; align-items: center; gap: 8px; background: none; border: 0; cursor: pointer; padding: 6px 4px;
  font-family: var(--mono); font-size: 11px; color: var(--quiet);
}
.light:hover, .light:focus-visible { color: var(--accent); }
html[data-light="darkroom"] .light-moon, html[data-light="sunlight"] .light-sun { display: none; }
.light-sun, .light-moon { font-size: 15px; }
.bar-download { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; text-decoration: none; color: var(--body); }
.bar-download:hover { color: var(--accent); }

/* ----------------------------------------------------------------- hero -- */
main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px); }
.hero { min-height: calc(100vh - 54px); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 0 70px; }
.hero-flower { position: relative; width: min(340px, 70vw); aspect-ratio: 1; margin-bottom: 18px; }
.hero-flower img { position: relative; width: 100%; height: 100%; border-radius: 3px; display: block;
  -webkit-mask: radial-gradient(circle at 50% 50%, #000 52%, transparent 71%); mask: radial-gradient(circle at 50% 50%, #000 52%, transparent 71%); }
/* The lily breathes: a slow ultraviolet halo. */
.hero-halo { position: absolute; inset: 8%; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--petal) 55%, transparent) 0%, color-mix(in srgb, var(--throat) 30%, transparent) 40%, transparent 70%);
  filter: blur(28px); animation: breathe 6s ease-in-out infinite; }
html[data-light="sunlight"] .hero-halo { opacity: .45; }
@keyframes breathe { 0%, 100% { transform: scale(.92); opacity: .7; } 50% { transform: scale(1.08); opacity: 1; } }
.hero-name { font-weight: 200; font-size: clamp(64px, 11vw, 132px); letter-spacing: clamp(10px, 2vw, 26px); margin: 0 0 6px; padding-left: clamp(10px, 2vw, 26px); }
.hero-line { font-family: var(--mono); font-size: 13px; letter-spacing: 2.6px; color: var(--quiet); margin: 0 0 26px; }
.hero-lede { color: var(--body); font-size: 18px; line-height: 1.7; max-width: 52ch; margin: 0 0 34px; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; justify-content: center; }
.hero-meta { font-family: var(--mono); font-size: 11px; color: var(--quiet); letter-spacing: 1px; }

/* The one glowing thing: a hairline box that takes the room's light. */
.glow-button {
  display: inline-block; padding: 13px 24px; border-radius: 3px; text-decoration: none;
  font-family: var(--mono); font-size: 12px; letter-spacing: 1.4px; color: var(--button-ink);
  border: 1px solid color-mix(in srgb, var(--glow) 70%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--glow) 32%, transparent), inset 0 0 12px color-mix(in srgb, var(--glow) 12%, transparent);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.glow-button:hover, .glow-button:focus-visible {
  border-color: var(--glow);
  box-shadow: 0 0 28px color-mix(in srgb, var(--glow) 55%, transparent), inset 0 0 16px color-mix(in srgb, var(--glow) 18%, transparent);
}

/* ------------------------------------------------------ section heads -- */
section { padding: 70px 0; }
.section-head { display: flex; align-items: center; gap: 10px; margin: 0 0 34px; font-family: var(--mono); font-size: 10px; letter-spacing: 2.2px; }
.section-head .num { color: var(--accent); letter-spacing: 1px; }
.section-head .name { color: var(--quiet); }
.section-head .rule { flex: 1; height: .5px; background: var(--rule); }
.caption { color: var(--quiet); font-size: 14px; line-height: 1.7; max-width: 62ch; margin-top: 18px; }

/* ----------------------------------------------------------------- wall -- */
.wall { columns: 3 220px; column-gap: 4px; }
.wall figure { margin: 0 0 4px; break-inside: avoid; border-radius: 2px; overflow: hidden; transition: box-shadow .22s ease, outline-color .22s ease; outline: 1px solid transparent; }
.wall img { display: block; width: 100%; height: auto; }
.wall figure:hover { box-shadow: 0 0 22px color-mix(in srgb, var(--photo-glow, transparent) 42%, transparent); outline-color: color-mix(in srgb, var(--photo-glow, transparent) 90%, transparent); }

/* -------------------------------------------------------------- develop -- */
.develop-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 54px); align-items: start; }
.print { position: relative; border-radius: 3px; overflow: hidden; cursor: pointer; user-select: none; -webkit-user-select: none; touch-action: manipulation;
  box-shadow: 0 0 60px color-mix(in srgb, var(--glow) 18%, transparent); }
.print img { display: block; width: 100%; height: auto; filter: url(#look); pointer-events: none; }
.print.original img { filter: none; }
.vignette { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 50% 50%, transparent 45%, rgba(0, 0, 0, var(--v, 0)) 100%); }
.print.original .vignette { opacity: 0; }
.original-word { position: absolute; top: 14px; left: 0; right: 0; text-align: center; font-family: var(--mono); font-size: 11px; color: #C9CDD6; letter-spacing: .6px; opacity: 0; transition: opacity .2s ease; text-shadow: 0 1px 6px rgba(0, 0, 0, .6); }
.print.original .original-word { opacity: 1; }
.looks { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 22px 0 18px; }
.look { background: none; border: 0; padding: 4px 0 6px; cursor: pointer; font-family: var(--mono); font-size: 11px; color: var(--quiet); position: relative; }
.look:hover { color: var(--body); }
.look.chosen { color: var(--ink); }
.look::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 1.5px; background: var(--accent); transform: translateX(-50%); transition: width .18s ease; }
.look.chosen::after { width: 14px; }
.sliders { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 26px; margin-bottom: 18px; }
.slider { display: grid; grid-template-columns: 70px 1fr 34px; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; color: var(--body); }
.slider output { text-align: right; color: var(--quiet); font-size: 10px; }

/* Lumen's slider: the burn rises out of near-black up to the thumb; past
   it, the track is void. The thumb is the colour of its value, never
   outlined; touched, it glows. */
.slider input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; background: transparent; cursor: pointer; --fill: 50%; --from: 50%; }
.slider input[type=range]::-webkit-slider-runnable-track { height: 2px; border-radius: 1px;
  background: linear-gradient(to right, var(--track-void, rgba(0,0,0,.6)) var(--lo), var(--burn-base) var(--lo), var(--burn-peak) calc(var(--lo) + (var(--hi) - var(--lo)) * .6), var(--burn-core) var(--hi), var(--track-void, rgba(0,0,0,.6)) var(--hi)); }
.slider input[type=range]::-moz-range-track { height: 2px; border-radius: 1px;
  background: linear-gradient(to right, var(--track-void, rgba(0,0,0,.6)) var(--lo), var(--burn-base) var(--lo), var(--burn-peak) calc(var(--lo) + (var(--hi) - var(--lo)) * .6), var(--burn-core) var(--hi), var(--track-void, rgba(0,0,0,.6)) var(--hi)); }
html[data-light="sunlight"] .slider input[type=range] { --track-void: rgba(35, 30, 25, .14); }
.slider input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 11px; height: 11px; border-radius: 50%; border: 0; margin-top: -4.5px; background: var(--thumb, var(--burn-peak)); transition: box-shadow .15s ease; }
.slider input[type=range]::-moz-range-thumb { width: 11px; height: 11px; border-radius: 50%; border: 0; background: var(--thumb, var(--burn-peak)); }
.slider input[type=range]:hover::-webkit-slider-thumb, .slider input[type=range]:active::-webkit-slider-thumb { box-shadow: 0 0 10px var(--thumb, var(--burn-peak)); }
.slider input[type=range]:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

/* -------------------------------------------------------------- devices -- */
.devices-grid, .record-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 54px); align-items: center; }
.record-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.pulse { display: flex; align-items: center; gap: 0; font-family: var(--mono); font-size: 11px; color: var(--body); }
.node { flex-shrink: 0; width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--rule); background: var(--surface); }
.wire { position: relative; flex: 1; height: 1px; background: repeating-linear-gradient(to right, var(--rule) 0 6px, transparent 6px 10px); }
.spark { position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%); width: 6px; height: 6px; border-radius: 50%; background: var(--glow); box-shadow: 0 0 10px var(--glow); animation: travel 2.6s ease-in-out infinite; }
@keyframes travel { 0% { left: 0; opacity: 0; } 15%, 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }

/* --------------------------------------------------------------- record -- */
.sheet { font-family: var(--mono); font-size: 11.5px; background: var(--surface); border-radius: 3px; padding: 6px 22px 18px; border: .5px solid var(--rule); }
.sheet-head { display: flex; gap: 10px; margin: 18px 0 6px; font-size: 9.5px; letter-spacing: 2.2px; color: var(--quiet); }
.sheet-head span { color: var(--accent); letter-spacing: 1px; }
.row { display: flex; justify-content: space-between; margin: 0; padding: 5px 0; border-bottom: .5px solid var(--rule); color: var(--ink); }
.row span:first-child { color: var(--quiet); }
.none { color: var(--quiet); margin: 4px 0; }

/* --------------------------------------------------------------- pocket -- */
.pocket h2, .pocket .body { max-width: 62ch; }

/* ------------------------------------------------------------- download -- */
.download { text-align: center; display: flex; flex-direction: column; align-items: center; padding-top: clamp(98px, 9vw, 118px); padding-bottom: 90px; }
.download-flower { border-radius: 3px; margin-bottom: 18px; -webkit-mask: radial-gradient(circle, #000 55%, transparent 72%); mask: radial-gradient(circle, #000 55%, transparent 72%); }
.download .body { margin: 0 auto 26px; }
.download .fine { margin: 24px auto 0; }

/* ----------------------------------------------------------------- foot -- */
.foot { max-width: 1120px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px) 60px; border-top: 1px solid var(--rule); }
.foot p { margin: 0; }
.foot-version { font-family: var(--mono); font-size: 9px; letter-spacing: 1.15px; color: var(--quiet); margin-top: 18px !important; }
.foot-lotus { font-family: var(--mono); font-size: 10px; letter-spacing: 2.4px; color: var(--body); margin-top: 18px !important; }
.foot-line { font-size: 12px; color: var(--quiet); margin-top: 6px !important; }
.foot-support { display: inline-block; margin-top: 10px; font-family: var(--mono); font-size: 9px; letter-spacing: 1px; text-decoration: none; color: var(--ink);
  text-shadow: 0 0 9px color-mix(in srgb, var(--glow) 80%, transparent), 0 0 18px color-mix(in srgb, var(--glow) 40%, transparent); }
html[data-light="sunlight"] .foot-support { text-shadow: 0 0 14px rgba(240, 176, 60, .45); }
.foot-credit { font-family: var(--mono); font-size: 10px; color: var(--quiet); margin-top: 22px !important; }

/* The Lotus stamp: a stamp, not a badge. */
.lotus-mark { position: fixed; right: 14px; bottom: 12px; z-index: 8; display: grid; place-items: center; padding: 4px; border-radius: 8px; opacity: .34; transition: opacity .22s ease, transform .22s ease; }
.lotus-mark img { display: block; }
.lotus-mark:hover, .lotus-mark:focus-visible { opacity: 1; transform: translateY(-1px); }

/* ---------------------------------------------------------------- phone -- */
@media (max-width: 760px) {
  .develop-grid, .devices-grid, .record-grid { grid-template-columns: 1fr; }
  .sliders { grid-template-columns: 1fr; }
  .wall { columns: 2 140px; }
  .light-word { display: none; }
  .hero-lede { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-halo, .spark { animation: none; }
  html { scroll-behavior: auto; }
}

/* The lily keeps its own light in either room, with no paper mat. */
html[data-light="sunlight"] .hero-flower { width: min(300px, 64vw); }

/* Credits for the freely licensed photographs on the wall. */
.credits { color: var(--quiet); font-family: var(--mono); font-size: 10.5px; line-height: 1.8; max-width: 90ch; margin-top: 10px; }
.credits a { color: var(--body); text-decoration: none; border-bottom: .5px solid var(--rule); }
.credits a:hover { color: var(--accent); }

/* The devices, drawn; a spark each way along the wire. */
.node svg { width: 30px; height: 30px; fill: none; stroke: var(--body); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.spark.back { animation-direction: reverse; animation-delay: 1.3s; }

.download-buttons { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }