:root {
  --night: #1d1733;      /* page */
  --panel: #2a2247;      /* raised surfaces */
  --line: #3d3363;       /* quiet borders */
  --ink: #f1ecff;        /* text */
  --muted: #a79cc9;      /* secondary text */
  --tube: #ff5fb0;       /* the neon sign */
  --sky: #7fd3ff;        /* links, same cyan the game uses for codes */
  --danger: #ff8a7a;
  --radius-s: 8px;
  --radius-l: 22px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font: 400 1rem/1.55 "Bricolage Grotesque", system-ui, sans-serif;
  font-optical-sizing: auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { width: min(1040px, 100% - 32px); margin: 0 auto; flex: 1; }

button, input { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: var(--radius-s); }

/* ---------- top bar ---------- */
.bar {
  width: min(1040px, 100% - 32px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}
.brand {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand span { font-weight: 400; color: var(--muted); }
.who { display: flex; gap: 14px; align-items: baseline; color: var(--muted); }
.who #whoName { color: var(--ink); font-weight: 600; }

/* ---------- buttons ---------- */
.primary {
  background: var(--ink);
  color: var(--night);
  border: 0;
  border-radius: 999px;
  padding: 12px 26px;
  font-weight: 600;
  cursor: pointer;
}
.primary:disabled { opacity: .5; cursor: progress; }
.link {
  background: none;
  border: 0;
  padding: 0;
  color: var(--sky);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link.danger { color: var(--danger); }

/* ---------- sign in ---------- */
.signin { max-width: 34rem; padding: 6vh 0 10vh; }
.signin h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0 0 18px;
}
.lede { color: var(--muted); font-size: 1.15rem; margin: 0 0 34px; max-width: 30rem; }
.lede b { color: var(--ink); font-weight: 600; }

.auth { display: grid; gap: 16px; }
.auth label { display: grid; gap: 6px; color: var(--muted); font-size: .95rem; }
.auth input {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  font-size: 1.05rem;
}
.auth input:focus { border-color: var(--sky); outline: none; }
.row { display: flex; flex-wrap: wrap; gap: 18px 24px; align-items: center; margin-top: 6px; }
.status { min-height: 1.5em; color: var(--muted); margin: 4px 0 0; }
.status.error { color: var(--danger); }

/* ---------- the neon tube (the one loud thing) ---------- */
.tube {
  position: relative;
  display: grid;
  place-items: center;
  gap: 10px;
  text-align: center;
  margin: 18px 0 28px;
  padding: 64px 24px;
  border-radius: var(--radius-l);
  border: 3px solid color-mix(in srgb, var(--tube) 45%, var(--night));
  cursor: pointer;
  transition: border-color .25s, box-shadow .25s;
}
.tube input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.tube-sign {
  font-weight: 800;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  letter-spacing: -0.03em;
  color: color-mix(in srgb, var(--tube) 55%, var(--night));
  transition: color .25s, text-shadow .25s;
}
.tube-sub { color: var(--muted); max-width: 36rem; }

/* lit: hover, keyboard focus or a file being dragged over */
.tube:hover, .tube:focus-within, .tube.lit {
  border-color: var(--tube);
  box-shadow: 0 0 0 1px var(--tube), 0 0 28px -4px var(--tube), inset 0 0 26px -10px var(--tube);
}
.tube:hover .tube-sign, .tube:focus-within .tube-sign, .tube.lit .tube-sign {
  color: #ffe3f1;
  text-shadow: 0 0 6px var(--tube), 0 0 22px var(--tube), 0 0 48px color-mix(in srgb, var(--tube) 60%, transparent);
}
.tube.lit { animation: hum 1.6s ease-in-out infinite; }
@keyframes hum { 50% { box-shadow: 0 0 0 1px var(--tube), 0 0 40px 0 var(--tube), inset 0 0 30px -8px var(--tube); } }

/* ---------- upload queue ---------- */
.queue { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 8px; }
.queue:empty { display: none; }
.queue li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  border-left: 3px solid var(--sky);
  background: var(--panel);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}
.queue li.error { border-left-color: var(--danger); }
.queue li.done { border-left-color: var(--tube); }
.queue li { flex-wrap: wrap; }
.queue .file { min-width: 0; overflow-wrap: anywhere; font-weight: 600; }
.queue .state { color: var(--muted); }

/* ---------- shelf ---------- */
.shelf-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.shelf-head h2 { margin: 0; font-size: 1.6rem; letter-spacing: -0.02em; font-weight: 800; }
.filters { display: flex; gap: 6px; }
.filters button {
  background: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 14px;
  color: var(--muted);
  cursor: pointer;
}
.filters button[aria-selected="true"] { border-color: var(--line); color: var(--ink); background: var(--panel); }

.shelf {
  list-style: none;
  padding: 0;
  margin: 18px 0 60px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
}
.asset { display: grid; gap: 10px; align-content: start; }
.preview {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-s);
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    repeating-linear-gradient(45deg, var(--line) 0 2px, transparent 2px 10px) border-box;
  border: 1px solid transparent;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.preview img { width: 100%; height: 100%; object-fit: cover; }
.preview model-viewer { width: 100%; height: 100%; --poster-color: transparent; background: transparent; }
.preview audio { width: 92%; }
.preview video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.preview .kind { color: var(--muted); font-size: .9rem; }
.meta { display: grid; gap: 2px; }
.meta .name {
  background: none;
  border: 0;
  border-bottom: 1px dashed transparent;
  padding: 2px 0;
  font-weight: 600;
  font-size: 1.05rem;
  width: 100%;
}
.meta .name:hover, .meta .name:focus { border-bottom-color: var(--line); outline: none; }
.meta .info { color: var(--muted); font-size: .9rem; }
.asset .del { justify-self: start; font-size: .9rem; }

.empty { grid-column: 1 / -1; color: var(--muted); padding: 30px 0; }

.foot {
  width: min(1040px, 100% - 32px);
  margin: 0 auto;
  padding: 24px 0 32px;
  color: var(--muted);
  font-size: .9rem;
  border-top: 1px solid var(--line);
}

@media (prefers-reduced-motion: reduce) {
  .tube, .tube-sign { transition: none; }
  .tube.lit { animation: none; }
}

/* ---------- document pages (SDK guide, privacy, terms, conduct, report) ---------- */
.nav { display: flex; gap: 20px; }
.nav a, .foot a, .doc a { color: var(--sky); text-underline-offset: 3px; }
.doc { max-width: 46rem; padding: 4vh 0 8vh; }
.doc-hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0 0 16px;
}
.doc section { margin: 0 0 34px; }
.doc h2 { font-size: 1.4rem; letter-spacing: -0.02em; margin: 0 0 10px; }
.doc h3 { font-size: 1.08rem; margin: 18px 0 6px; }
.doc p, .doc li, .doc dd { color: var(--ink); }
.doc b { font-weight: 600; }
.muted { color: var(--muted); }
.ticks, .steps { padding-left: 1.3em; margin: 0; display: grid; gap: 8px; }
.ticks li::marker { color: var(--tube); }
.steps li::marker { color: var(--sky); font-weight: 600; }
.parts { display: grid; grid-template-columns: max-content 1fr; gap: 10px 22px; margin: 0; }
.parts dt { font-weight: 600; }
.parts dd { margin: 0; color: var(--muted); }
@media (max-width: 560px) { .parts { grid-template-columns: 1fr; } .parts dd { margin-bottom: 8px; } }
.dl { display: inline-flex; gap: 10px; align-items: baseline; text-decoration: none; }
.dl small { font-weight: 400; opacity: .7; }
.updated { color: var(--muted); font-size: .95rem; margin: -6px 0 28px; }
.callout {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--tube);
  border-radius: var(--radius-s);
  padding: 14px 18px;
  margin: 0 0 30px;
}
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 8px; }

/* report form */
.report-form { display: grid; gap: 16px; max-width: 36rem; }
.report-form label { display: grid; gap: 6px; color: var(--muted); font-size: .95rem; }
.report-form input, .report-form select, .report-form textarea {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
}
.report-form textarea { min-height: 8rem; resize: vertical; }
.report-form input:focus, .report-form select:focus, .report-form textarea:focus { border-color: var(--sky); outline: none; }