static/style.css

/* Hugging Face Harbor Visualiser — Hugging Face themed dark/light. */
:root {
  --bg: #ffffff; --panel: #f9fafb; --panel-2: #f1f3f5;
  --border: #e5e7eb; --border-strong: #d4d7dd;
  --text: #1b1b1f; --muted: #5b6270; --faint: #99a0ad;
  --accent: #e88b00; --accent-soft: rgba(255,157,0,.12);
  --hf-yellow: #ffd21e; --hf-orange: #ff9d00;
  --ok: #16a34a; --warn: #d97706; --err: #dc2626;
  --hover: #f1f3f5;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 10px; --nav-h: 56px; --maxw: 1500px;
}
:root[data-theme="dark"] {
  --bg: #0b0d12; --panel: #11141b; --panel-2: #1a1e27;
  --border: #232834; --border-strong: #323847;
  --text: #f3f4f6; --muted: #9aa1ad; --faint: #646b78;
  --accent: #ffae45; --accent-soft: rgba(255,174,69,.13);
  --hf-yellow: #ffd21e; --hf-orange: #ff9d00;
  --ok: #4ade80; --warn: #fbbf24; --err: #f87171;
  --hover: #181c24;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; max-width: 100%; }

/* minimal scrollbars everywhere */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--faint); background-clip: padding-box; }
::-webkit-scrollbar-corner { background: transparent; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--mono); font-size: 14px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
code, pre { font-family: var(--mono); }
::selection { background: var(--accent-soft); }

/* ── nav ───────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h); display: flex; align-items: center; gap: 22px;
  padding: 0 22px; background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav .brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 15px; letter-spacing: -.2px; }
.nav .brand:hover { color: var(--text); }
.nav .brand .logo { font-size: 20px; line-height: 1; filter: saturate(1.15); }
.nav .brand .tag { font-size: 9px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase;
  color: #1b1b1f; background: var(--hf-yellow); padding: 2px 6px; border-radius: 5px; }
.nav .links { display: flex; gap: 18px; }
.nav .links a { color: var(--muted); font-size: 13px; }
.nav .links a:hover, .nav .links a.active { color: var(--text); }
.nav .spacer { flex: 1; }
.theme-toggle { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.theme-toggle button {
  background: transparent; border: 0; color: var(--faint);
  padding: 6px 9px; display: grid; place-items: center; line-height: 0;
}
.theme-toggle button:hover { color: var(--text); background: var(--hover); }
.theme-toggle button.active { color: var(--text); background: var(--panel-2); }
.theme-toggle svg { width: 15px; height: 15px; }

/* ── layout ────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.page { padding: 34px 0 80px; }
h1 { font-size: 30px; font-weight: 700; letter-spacing: -.5px; margin: 0 0 18px; }
h2 { font-size: 18px; font-weight: 600; margin: 0 0 12px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }

/* hero */
.hero { text-align: center; padding: 60px 0 30px; }
.hero .mark { font-size: 56px; line-height: 1; margin-bottom: 10px; }
.hero h1 { font-size: 46px; margin: 0 0 14px; letter-spacing: -1.4px; }
.hero h1 .hf { background: linear-gradient(90deg, var(--hf-orange), var(--hf-yellow));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { color: var(--muted); font-size: 14.5px; margin: 0 auto; max-width: 640px; line-height: 1.6; }

/* example bubbles / quick-pick chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 9px; padding: 9px 14px 9px 11px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); font-size: 13px;
  cursor: pointer; transition: border-color .12s, background .12s, transform .08s; }
.chip:hover { border-color: var(--hf-orange); background: var(--hover); }
.chip:active { transform: translateY(1px); }
.chip .src { font-size: 9px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase;
  padding: 2px 6px; border-radius: 5px; flex: none; }
.chip .src.hf { background: color-mix(in srgb, var(--hf-yellow) 22%, var(--panel-2)); color: var(--hf-orange); }
.chip .src.gh { background: var(--panel-2); color: var(--muted); }
.chip .src.harbor { background: var(--accent-soft); color: var(--accent); }

/* how-to / embed instructions */
.howto { margin: 46px 0 0; }
.howto h2 { font-size: 15px; margin: 0 0 14px; }
.howto .steps { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.howto .step { min-width: 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); padding: 16px 18px; }
.howto .step h3 { font-size: 13px; margin: 0 0 4px; font-weight: 600; }
.howto .step p { color: var(--muted); font-size: 12.5px; margin: 0 0 12px; line-height: 1.55; }
.snippet { display: flex; align-items: center; gap: 10px; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; max-width: 100%; overflow: hidden; }
.snippet code { font-size: 12px; color: var(--text); overflow-x: auto; white-space: nowrap; flex: 1; min-width: 0; }
.snippet code::-webkit-scrollbar { height: 5px; }
.snippet code::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.snippet .copy { color: var(--faint); line-height: 0; flex: none; }
.snippet .copy:hover { color: var(--accent); }
.snippet .copy svg { width: 14px; height: 14px; }
.howto .badge-preview { display: inline-flex; align-items: stretch; font-size: 11px; font-weight: 700;
  border-radius: 5px; overflow: hidden; margin-bottom: 11px; }
.howto .badge-preview .l { background: #555; color: #fff; padding: 3px 8px; }
.howto .badge-preview .r { background: var(--hf-yellow); color: #1b1b1f; padding: 3px 8px; }
@media (max-width: 700px) { .howto .steps { grid-template-columns: 1fr; } }
/* accent link + nav external link */
.hl { color: var(--accent); }
.hl:hover { text-decoration: underline; }
.nav .links a.ext { color: var(--faint); }
.nav .links a.ext:hover { color: var(--accent); }
/* footer attribution */
.footer { max-width: 620px; margin: 56px auto 0; text-align: center; color: var(--faint);
  font-size: 12px; line-height: 1.7; border-top: 1px solid var(--border); padding-top: 22px; }

/* ── table card ────────────────────────────────────── */
.card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.thead { display: flex; padding: 11px 18px; border-bottom: 1px solid var(--border);
  font-size: 11px; letter-spacing: .8px; text-transform: uppercase; color: var(--faint); }
.thead .col-tasks { margin-left: auto; }
.row {
  display: flex; align-items: center; gap: 8px; padding: 13px 18px;
  border-bottom: 1px solid var(--border); cursor: pointer; transition: background .08s;
}
.row:last-child { border-bottom: 0; }
.row:hover { background: var(--hover); }
.row .name { font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .copy { color: var(--faint); opacity: 0; transition: opacity .1s; line-height: 0; }
.row:hover .copy { opacity: 1; }
.row .copy:hover { color: var(--text); }
.row .copy svg { width: 13px; height: 13px; }
.row .tasks { margin-left: auto; color: var(--muted); font-variant-numeric: tabular-nums; font-size: 13px; padding-left: 14px; }
.row .tasks .spin { color: var(--faint); }

/* search */
.search { display: flex; align-items: center; gap: 10px; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 11px 16px; background: var(--panel); margin-bottom: 18px; }
.search:focus-within { border-color: var(--border-strong); }
.search svg { width: 16px; height: 16px; color: var(--faint); flex: none; }
.search input { flex: 1; background: transparent; border: 0; outline: 0; color: var(--text); font-family: var(--mono); font-size: 14px; }
.search input::placeholder { color: var(--faint); }
.search .kbd { color: var(--faint); font-size: 11px; border: 1px solid var(--border); border-radius: 5px; padding: 2px 6px; }
.search select { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-family: var(--mono); font-size: 12px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 7px; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  padding: 9px 16px; font-size: 13px; transition: background .1s, border-color .1s; }
.btn:hover { background: var(--hover); border-color: var(--border-strong); }
.center { text-align: center; margin-top: 26px; }

/* pills / badges */
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; padding: 2px 8px;
  border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: var(--panel-2); }
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, var(--border)); }

/* breadcrumb */
.crumb { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; margin-bottom: 16px; flex-wrap: wrap; }
.crumb a:hover { color: var(--text); }
.crumb .sep { color: var(--faint); }

/* ── dataset / task viewer (split) ─────────────────── */
.viewer { display: grid; grid-template-columns: 300px 1fr; gap: 0; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; min-height: 70vh; }
.tree { border-right: 1px solid var(--border); background: var(--panel); overflow: auto; max-height: 80vh; }
.tree .thead2 { padding: 11px 16px; font-size: 11px; letter-spacing: .8px; text-transform: uppercase;
  color: var(--faint); border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--panel); }
.tnode { display: flex; align-items: center; gap: 7px; padding: 6px 14px; cursor: pointer; font-size: 13px;
  color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tnode:hover { background: var(--hover); color: var(--text); }
.tnode.active { background: var(--accent-soft); color: var(--text); }
.tnode.dir { color: var(--text); }
.tnode .ind { display: inline-block; }
.tnode svg { width: 14px; height: 14px; flex: none; color: var(--faint); }
.tnode.active svg { color: var(--accent); }

/* task master-detail: [tasks panel | file tree | content] */
.taskview { display: grid; grid-template-columns: 250px 230px 1fr; border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; height: calc(100vh - 200px); min-height: 460px;
  transition: grid-template-columns .18s ease; }
.taskview.collapsed { grid-template-columns: 0 230px 1fr; }
.taskview.collapsed .tasks-panel { opacity: 0; pointer-events: none; }
.tasks-panel { display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--border);
  background: var(--panel-2); overflow: hidden; transition: opacity .15s ease; }
.tasks-panel .tp-head { padding: 11px 14px; font-size: 11px; letter-spacing: .8px; text-transform: uppercase;
  color: var(--faint); border-bottom: 1px solid var(--border); flex: none; }
.tasks-panel .tp-search { display: flex; align-items: center; gap: 7px; padding: 8px 12px; border-bottom: 1px solid var(--border); flex: none; }
.tasks-panel .tp-search svg { width: 14px; height: 14px; color: var(--faint); flex: none; }
.tasks-panel .tp-search input { flex: 1; min-width: 0; background: transparent; border: 0; outline: 0; color: var(--text); font-family: var(--mono); font-size: 12.5px; }
.tasks-panel .tp-search input::placeholder { color: var(--faint); }
.tp-list { overflow: auto; flex: 1; }
.tp-item { padding: 8px 14px; font-size: 12.5px; color: var(--muted); cursor: pointer;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-left: 2px solid transparent; }
.tp-item:hover { background: var(--hover); color: var(--text); }
.tp-item.active { background: var(--accent-soft); color: var(--text); border-left-color: var(--hf-orange); }
.tp-list .empty { padding: 14px; font-size: 11.5px; color: var(--faint); }

/* nothing-selected state in the detail pane */
.emptysel { display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; height: 100%; min-height: 320px; padding: 40px; text-align: center; color: var(--faint); }
.emptysel .ic { color: var(--border-strong); line-height: 0; }
.emptysel .ic svg { width: 44px; height: 44px; }
.emptysel p { margin: 0; font-size: 13px; max-width: 320px; line-height: 1.6; }

.content { overflow: auto; max-height: 80vh; background: var(--bg); }
.taskview .tree, .taskview .content { max-height: none; }
.content .fhead { display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg); z-index: 2; }
.content .fhead .path { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); min-width: 0; }
.content .fhead svg { width: 15px; height: 15px; flex: none; color: var(--faint); }
.content .fhead .copy { margin-left: auto; }
.content pre { margin: 0; padding: 16px; overflow: auto; font-size: 12.5px; line-height: 1.6; }
.content pre code { background: transparent !important; padding: 0 !important; }
.content .md { padding: 18px 22px; }
.content .md h1 { font-size: 22px; } .content .md h2 { font-size: 17px; } .content .md pre { background: var(--panel-2); border-radius: 8px; }
.content .md code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }

/* overview */
.kv { width: 100%; border-collapse: collapse; }
.kv td { padding: 9px 16px; border-bottom: 1px solid var(--border); vertical-align: top; font-size: 13px; }
.kv td:first-child { color: var(--muted); width: 180px; white-space: nowrap; }
.kw { display: inline-block; font-size: 11px; padding: 2px 8px; border: 1px solid var(--border); border-radius: 999px; margin: 0 4px 4px 0; color: var(--muted); }

/* task list (within dataset) — scrolls internally, not the whole page */
.tasklist { max-height: calc(100vh - 240px); overflow-y: auto; }
.tasklist .thead { position: sticky; top: 0; background: var(--panel); z-index: 1; }
.tasklist .row .name { font-size: 13px; }
.tasklist .row .tasks { font-size: 12px; }

/* states */
.loading, .empty, .errbox { padding: 50px 20px; text-align: center; color: var(--muted); }
.errbox { color: var(--err); }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -3px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
.copied { color: var(--ok) !important; }

/* code section (publish-style) */
.codeblock { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); margin: 14px 0; overflow: hidden; }
.codeblock .chead { display: flex; padding: 9px 14px; border-bottom: 1px solid var(--border); font-size: 11px; letter-spacing: .6px; text-transform: uppercase; color: var(--faint); }
.codeblock .chead .copy { margin-left: auto; }
.codeblock pre { margin: 0; padding: 14px; font-size: 12.5px; overflow: auto; }

/* run-this-task command — styled like a terminal block */
.runbar { display: flex; align-items: center; gap: 10px; margin: 0 0 14px;
  background: #0d1117; border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 11px 14px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.02); }
:root[data-theme="light"] .runbar { background: #1b1f27; }
.runbar .lbl { display: inline-flex; align-items: center; flex: none; color: #4ade80; line-height: 0; }
.runbar .lbl svg { width: 15px; height: 15px; }
.runbar code { font-family: var(--mono); font-size: 12.5px; color: #d7dce4; white-space: nowrap;
  overflow-x: auto; flex: 1; min-width: 0; }
.runbar code::before { content: "$ "; color: #6b7280; }
.runbar code::-webkit-scrollbar { height: 5px; }
.runbar code::-webkit-scrollbar-thumb { background: #2b313b; border-radius: 3px; }
.runbar .copy { flex: none; color: #6b7280; line-height: 0; }
.runbar .copy:hover { color: var(--hf-yellow); }
.runbar .copy svg { width: 15px; height: 15px; }
.runbar.copied .copy { color: #4ade80; }

/* generic icon button (crumb toggle etc.) */
.nav-btn { display: grid; place-items: center; width: 30px; height: 30px; flex: none;
  border: 1px solid var(--border); border-radius: 7px; background: var(--panel-2); color: var(--muted); }
.nav-btn:hover:not(:disabled) { color: var(--text); border-color: var(--border-strong); }
.nav-btn:disabled { opacity: .35; cursor: default; }
.nav-btn svg { width: 15px; height: 15px; }
.nav-btn.ghost { background: transparent; }
.crumb .pos { color: var(--faint); font-size: 11px; font-variant-numeric: tabular-nums; flex: none; }

/* inline hint / note (loading warnings, tag instruction) */
.hint { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: 12.5px;
  line-height: 1.55; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 15px; }
.hint .ic { color: var(--hf-orange); flex: none; line-height: 0; margin-top: 1px; }
.hint code { background: var(--panel-2); padding: 1px 6px; border-radius: 4px; color: var(--text); font-size: 12px; }
.loading .sub { display: block; margin-top: 8px; font-size: 12px; color: var(--faint); }

/* responsive */
@media (max-width: 760px) {
  .nav { gap: 12px; padding: 0 14px; }
  .nav .brand { font-size: 13px; }
  .wrap { padding: 0 14px; }
  .hero h1 { font-size: 32px; }
  .hero .mark { font-size: 46px; }
  .viewer { grid-template-columns: 1fr; }
  .tree { max-height: 200px; border-right: 0; border-bottom: 1px solid var(--border); }
  .content { max-height: none; }
  .nav .links { gap: 12px; }
  .nav .links a:not(.ext) { display: none; }
  .crumb { gap: 6px; }
  .kv td:first-child { width: auto; }

  /* task view stacks: tasks panel (toggleable) over tree over content */
  .taskview { grid-template-columns: 1fr; height: auto; }
  .taskview.collapsed { grid-template-columns: 1fr; }
  .tasks-panel { max-height: 220px; border-right: 0; border-bottom: 1px solid var(--border); }
  .taskview.collapsed .tasks-panel { display: none; }
  .taskview .tree { max-height: 200px; border-right: 0; border-bottom: 1px solid var(--border); }
  .taskview .content { max-height: 70vh; }
}