/* nirs4all-benchmarks — the Arena. Styled to the nirs4all.org ecosystem identity
   (paper + teal, IBM Plex Sans / Inter / JetBrains Mono, glass nav, aurora glows).
   No build step. All class names used by the SPA views are preserved. */

:root {
  /* ecosystem palette (lifted from nirs4all.org) */
  --teal:    #0d9488;
  --teal-d:  #0f766e;
  --teal-l:  #2dd4bf;
  --cyan:    #06b6d4;
  --cyan-d:  #0891b2;
  --indigo:  #4f46e5;
  --green:   #10b981;
  --amber:   #d97706;
  --benchmarks: #00704a;   /* the benchmarks brand mark green */
  --accent:  #e9362d;

  --paper:   #faf7f0;
  --paper-2: #f3efe5;
  --bg:      #ffffff;
  --bg-alt:  #f5f7fa;
  --bg-grid: #f7f5ef;
  --bg-code: #0b1220;
  --surface: #ffffff;
  --surface-2: #fbfaf6;
  --border:  #e2e8f0;
  --border-warm: #e8e2d3;
  --text:    #0f172a;
  --text-2:  #475569;
  --text-3:  #64748b;

  --tier-public:     #10b981;
  --tier-restricted: #d97706;
  --tier-private:    #ef4444;
  --tier-anonymized: #4f46e5;
  --good: #10b981;
  --bad:  #ef4444;

  --shadow:    0 4px 16px -4px rgba(17,24,39,.08), 0 2px 4px -2px rgba(17,24,39,.04);
  --shadow-lg: 0 20px 40px -12px rgba(17,24,39,.10);
  --shadow-warm: 0 18px 38px -14px rgba(120,85,30,.16), 0 3px 8px -4px rgba(120,85,30,.10);

  --font:    'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --display: 'IBM Plex Sans', 'Inter', system-ui, sans-serif;
  --mono:    'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 60px;
  --side-w: 244px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* warm paper backdrop with faint grid ruling (nirs4all.org .section-paper) */
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(20,50,48,.030) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,50,48,.030) 1px, transparent 1px);
  background-size: 34px 34px;
}
a { color: var(--teal); text-decoration: none; transition: color .2s; }
a:hover { color: var(--teal-d); }
code, .mono { font-family: var(--mono); font-size: .82em; }
::selection { background: rgba(13,148,136,.18); }

/* ── top nav (glassmorphic) ──────────────────────────────────── */
.nav {
  height: var(--nav-h);
  display: flex; align-items: center; gap: 18px;
  padding: 0 22px;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.nav .logo { display: flex; align-items: center; gap: 11px; font-family: var(--display); font-weight: 600; font-size: 1.06rem; color: var(--text); }
.nav .logo .mark-img { height: 30px; width: auto; display: block; }
.nav .logo small { color: var(--text-3); font-family: var(--mono); font-size: .66rem; font-weight: 500; letter-spacing: .04em; }
.nav .spacer { flex: 1; }
.nav .pill { font-family: var(--mono); font-size: .72rem; color: var(--text-2); background: var(--paper-2); padding: 5px 12px; border-radius: 20px; border: 1px solid var(--border-warm); }
.nav-eco { display: flex; gap: 2px; }
.nav-eco a { padding: 6px 11px; border-radius: 8px; color: var(--text-3); font-size: .82rem; font-weight: 500; transition: all .2s; }
.nav-eco a:hover { color: var(--teal-d); background: rgba(13,148,136,.07); }
@media (max-width: 860px) { .nav-eco { display: none; } }

/* ── shared lens / context bar ───────────────────────────────── */
.context {
  position: sticky; top: var(--nav-h); z-index: 40;
  background: rgba(243,239,229,.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-warm);
}
.ctx-inner { max-width: 1560px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 10px 30px; }
.ctx-lens { font-family: var(--mono); font-size: .64rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-d); }
.ctx-field { display: flex; align-items: center; gap: 7px; }
.ctx-field label { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); font-weight: 700; font-family: var(--mono); }
.ctx-field select { min-width: 120px; padding: 6px 9px; }
.ctx-hint { margin-left: auto; color: var(--text-3); font-size: .76rem; font-style: italic; }
@media (max-width: 980px) { .ctx-hint { display: none; } .context { top: 0; } }

/* ── layout ──────────────────────────────────────────────────── */
.shell { display: grid; grid-template-columns: var(--side-w) 1fr; min-height: calc(100vh - var(--nav-h)); }
.side {
  border-right: 1px solid var(--border); padding: 18px 12px;
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(6px); position: sticky; top: var(--nav-h); height: calc(100vh - var(--nav-h)); overflow-y: auto;
  align-self: start;
}
.side .group { font-size: .64rem; text-transform: uppercase; letter-spacing: .14em; color: var(--text-3); margin: 18px 12px 7px; font-weight: 700; font-family: var(--mono); }
.side a.item {
  display: flex; align-items: center; gap: 11px; padding: 8px 13px; border-radius: var(--radius-sm);
  color: var(--text-2); font-weight: 500; font-size: .88rem; cursor: pointer; transition: all .16s; position: relative;
}
.side a.item:hover { background: rgba(13,148,136,.06); color: var(--text); }
.side a.item.active { background: linear-gradient(90deg, rgba(13,148,136,.14), rgba(13,148,136,.04)); color: var(--teal-d); font-weight: 600; }
.side a.item.active::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 3px; background: var(--teal); }
.side a.item .ic { width: 18px; text-align: center; opacity: .85; }

.main { padding: 26px 30px 64px; max-width: 1560px; position: relative; }
/* soft aurora glow behind the content top */
.main::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 360px; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 50% 70% at 12% 0%, rgba(13,148,136,.10), transparent 70%),
    radial-gradient(ellipse 45% 60% at 88% 5%, rgba(6,182,212,.09), transparent 72%);
}
.main > * { position: relative; z-index: 1; }

.page-head { margin-bottom: 22px; }
.page-head .eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .66rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--teal-d); margin-bottom: 10px; font-weight: 600;
}
.page-head .eyebrow::before { content: ''; width: 26px; height: 1px; background: currentColor; }
.page-head h1 {
  font-family: var(--display); font-size: 1.7rem; margin: 0 0 6px; font-weight: 600; letter-spacing: -.01em;
}
.page-head p { color: var(--text-2); margin: 0; max-width: 760px; font-size: .95rem; }
.gradient-text {
  background: linear-gradient(120deg, var(--teal-d) 0%, var(--cyan) 55%, var(--green) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ── controls ────────────────────────────────────────────────── */
.controls { display: flex; flex-wrap: wrap; gap: 13px; align-items: end; margin-bottom: 20px; }
.control { display: flex; flex-direction: column; gap: 5px; }
.control label { font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); font-weight: 700; font-family: var(--mono); }
select, input[type="text"], input[type="search"], textarea {
  font-family: var(--font); font-size: .86rem; padding: 8px 11px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text); min-width: 140px; transition: all .18s;
}
select:focus, input:focus, textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,148,136,.14); }
.toggle { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--text-2); cursor: pointer; user-select: none; padding-bottom: 8px; }
.toggle input { accent-color: var(--teal); width: 15px; height: 15px; }
.btn { font-family: var(--font); font-weight: 600; font-size: .85rem; padding: 9px 17px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; transition: all .18s; }
.btn:hover { border-color: var(--teal); color: var(--teal-d); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.primary { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn.primary:hover { background: var(--teal-d); color: #fff; box-shadow: 0 12px 26px -10px rgba(13,148,136,.5); }

/* ── cards / grid ────────────────────────────────────────────── */
.grid { display: grid; gap: 18px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1180px) { .cols-3, .cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 980px) { .shell { grid-template-columns: 1fr; } .side { display: none; } .cols-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: var(--shadow-lg); }
.card h3 { font-family: var(--display); font-size: 1.04rem; margin: 0 0 13px; font-weight: 600; }
.card .sub { color: var(--text-3); font-size: .8rem; margin: -9px 0 13px; }

.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px;
  box-shadow: var(--shadow); position: relative; overflow: hidden; transition: transform .2s, box-shadow .2s;
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-warm); }
.stat::after { content: ''; position: absolute; right: -20px; top: -20px; width: 70px; height: 70px; border-radius: 50%; background: radial-gradient(circle, rgba(13,148,136,.10), transparent 70%); }
.stat .k { font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); font-weight: 700; font-family: var(--mono); }
.stat .v { font-family: var(--display); font-size: 2rem; font-weight: 600; margin-top: 5px; line-height: 1; letter-spacing: -.02em; }
.stat .v small { font-size: .9rem; color: var(--text-3); font-weight: 500; }

/* ── finding cards (overview meta-analysis dashboard) ────────── */
.finding {
  display: flex; gap: 14px; align-items: flex-start; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.finding:hover { transform: translateY(-2px); box-shadow: var(--shadow-warm); border-color: var(--border-2); }
.finding-icon {
  font-size: 1.35rem; line-height: 1; width: 42px; height: 42px; flex: 0 0 42px; border-radius: 11px;
  display: grid; place-items: center; background: linear-gradient(135deg, rgba(13,148,136,.14), rgba(6,182,212,.10));
}
.finding-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); font-weight: 700; font-family: var(--mono); }
.finding-value { font-family: var(--display); font-size: 1.5rem; font-weight: 600; line-height: 1.15; margin: 2px 0; letter-spacing: -.01em; }
.finding-detail { color: var(--text-2); font-size: .82rem; }

/* ── tables ──────────────────────────────────────────────────── */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
table.tbl { width: 100%; border-collapse: collapse; font-size: .85rem; }
table.tbl th { text-align: left; padding: 11px 15px; background: var(--surface-2); border-bottom: 1px solid var(--border); font-weight: 700; color: var(--text-2); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; font-family: var(--mono); position: sticky; top: 0; cursor: pointer; white-space: nowrap; }
table.tbl th:hover { color: var(--teal-d); }
table.tbl td { padding: 10px 15px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.tbl tr:last-child td { border-bottom: none; }
table.tbl tbody tr { transition: background .12s; }
table.tbl tbody tr:hover { background: rgba(13,148,136,.04); }
table.tbl tr.clickable { cursor: pointer; }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.rank { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 7px; background: var(--paper-2); font-family: var(--mono); font-size: .74rem; font-weight: 700; color: var(--text-2); }
.rank.top { background: linear-gradient(135deg, var(--teal), var(--cyan)); color: #fff; }

/* ── badges / chips ──────────────────────────────────────────── */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .72rem; font-weight: 600; }
.badge.green { background: rgba(16,185,129,.14); color: #047857; }
.badge.red   { background: rgba(239,68,68,.14); color: #b91c1c; }
.badge.amber { background: rgba(217,119,6,.14); color: #b45309; }
.badge.gray  { background: var(--paper-2); color: var(--text-3); }
.badge.role  { background: rgba(79,70,229,.12); color: var(--indigo); }
.chip { display: inline-block; padding: 3px 10px; border-radius: 7px; background: var(--paper-2); border: 1px solid var(--border-warm); font-family: var(--mono); font-size: .74rem; color: var(--text-2); }
.hash { font-family: var(--mono); font-size: .76rem; color: var(--text-3); }

/* ── plot containers ─────────────────────────────────────────── */
.plot { width: 100%; min-height: 380px; }
.plot.tall { min-height: 520px; }
.plot.xtall { min-height: 640px; }

/* ── misc ────────────────────────────────────────────────────── */
.muted { color: var(--text-3); }
.empty { padding: 52px; text-align: center; color: var(--text-3); font-size: .9rem; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--teal); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { display: flex; align-items: center; gap: 11px; color: var(--text-3); padding: 36px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 7px 20px; font-size: .85rem; }
.kv dt { color: var(--text-3); font-weight: 500; }
.kv dd { margin: 0; font-family: var(--mono); font-size: .8rem; word-break: break-all; color: var(--text-2); }
.banner { padding: 11px 15px; border-radius: var(--radius-sm); font-size: .84rem; margin-bottom: 16px; border: 1px solid var(--border); }
.banner.warn { background: rgba(217,119,6,.09); border-color: rgba(217,119,6,.3); color: #b45309; }
.banner.info { background: rgba(13,148,136,.07); border-color: rgba(13,148,136,.24); color: var(--teal-d); }
.pulse-dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; display: inline-block; box-shadow: 0 0 0 3px rgba(16,185,129,.18); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 3px rgba(16,185,129,.18); } 50% { box-shadow: 0 0 0 6px rgba(16,185,129,.05); } }

.dag-svg { width: 100%; height: auto; background: var(--surface-2); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.dag-node rect { stroke-width: 1.5; }
.dag-node text { font-family: var(--mono); font-size: 11px; }
.toolbar-right { margin-left: auto; display: flex; gap: 8px; }

/* staggered fade-in on view load */
.main > .page-head { animation: rise .5s cubic-bezier(.2,.7,.2,1) both; }
.main > .controls { animation: rise .5s .05s cubic-bezier(.2,.7,.2,1) both; }
.main > .card, .main > .grid, .main > .tbl-wrap { animation: rise .55s .1s cubic-bezier(.2,.7,.2,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; } }

/* ── prototype banner ────────────────────────────────────────── */
.proto-banner { background: linear-gradient(90deg, rgba(217,119,6,.14), rgba(217,119,6,.07)); border-bottom: 1px solid color-mix(in srgb, var(--amber) 30%, transparent); }
.proto-banner-inner { max-width: 1560px; margin: 0 auto; display: flex; align-items: center; gap: 12px; padding: 8px 30px; font-size: .83rem; color: #92500a; }
.proto-banner-inner strong { font-weight: 700; }
.proto-x { margin-left: auto; background: none; border: none; cursor: pointer; color: #92500a; font-size: .9rem; padding: 2px 6px; border-radius: 6px; }
.proto-x:hover { background: rgba(217,119,6,.16); }

/* ── prototype badge + version chip ──────────────────────────── */
.proto-badge {
  font-family: var(--mono); font-size: .6rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--amber); background: color-mix(in srgb, var(--amber) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--amber) 34%, transparent); padding: 3px 9px; border-radius: 20px;
  white-space: nowrap;
}
.proto-badge.sm { font-size: .55rem; padding: 2px 7px; margin-left: 8px; vertical-align: middle; }
.ver-chip {
  font-family: var(--mono); font-size: .72rem; color: var(--text-3); background: var(--paper-2);
  border: 1px solid var(--border-warm); padding: 4px 10px; border-radius: 20px;
}
@media (max-width: 900px) { .ver-chip, .proto-badge { display: none; } }

/* ── footer ──────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border); background: rgba(255,255,255,.62);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); padding: 28px 30px;
}
.footer-inner { max-width: 1560px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 18px 40px; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-mark { height: 36px; width: auto; display: block; }
.footer-brand strong { font-family: var(--display); font-size: .98rem; }
.footer-ver { font-family: var(--mono); font-size: .78rem; color: var(--text-3); }
.footer-tag { color: var(--text-3); font-size: .82rem; margin-top: 3px; max-width: 540px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; font-size: .85rem; }
.footer-muted { color: var(--text-3); font-size: .76rem; font-family: var(--mono); }

/* ── polish refinements ──────────────────────────────────────── */
.card:hover { transform: translateY(-2px); }
.side::-webkit-scrollbar { width: 8px; }
.side::-webkit-scrollbar-thumb { background: var(--border-warm); border-radius: 8px; }
/* loading skeleton shimmer (used by views that want a placeholder) */
.skeleton { position: relative; overflow: hidden; background: var(--paper-2); border-radius: var(--radius-sm); min-height: 16px; }
.skeleton::after { content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.6), transparent); transform: translateX(-100%);
  animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { transform: translateX(100%); } }
/* keep the Plotly modebar unobtrusive */
.js-plotly-plot .modebar { opacity: 0; transition: opacity .2s; }
.plot:hover .js-plotly-plot .modebar { opacity: .5; }

/* checkbox lists (upload target datasets, parallel dims) */
.checklist { display: flex; flex-wrap: wrap; gap: 8px; max-height: 180px; overflow-y: auto; }
.checklist label { display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px; border: 1px solid var(--border); border-radius: 20px; font-size: .82rem; cursor: pointer; transition: all .15s; background: var(--surface); }
.checklist label:hover { border-color: var(--teal); }
.checklist input { accent-color: var(--teal); }