/* Traction Radar — "chart room": a hydrographic survey chart for demand.
   Cobalt ink on cool chart paper; the radar/compass rose is the one bold element. */
:root {
  --paper: #f3f5f7;
  --paper-2: #e7ebf1;
  --sheet: #fbfcfd;
  --ink: #0e1f4d;
  --cobalt: #1b3fa8;
  --cobalt-soft: #c9d4ef;
  --muted: #5b6a8a;
  --rule: #c3cbdb;
  --hair: #dde3ee;
  --hot: #d7263d;
  --mark: #ffe45c;
  --warn: #a15c00;
  --ok: #1c7a52;
  --wide: "Archivo", system-ui, sans-serif;
  --text: "Archivo", system-ui, sans-serif;
  --quote: "Newsreader", Georgia, serif;
  --r: 4px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f2350; --paper-2: #14295c; --sheet: #132a5e; --ink: #e8eefc; --cobalt: #9db6f2;
    --cobalt-soft: #2a4482; --muted: #9fb0d6; --rule: #36508f; --hair: #233d78; --hot: #ff5d70;
    --mark: #ffe45c; --warn: #f0b552; --ok: #6fd3a3; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f2350; --paper-2: #14295c; --sheet: #132a5e; --ink: #e8eefc; --cobalt: #9db6f2;
  --cobalt-soft: #2a4482; --muted: #9fb0d6; --rule: #36508f; --hair: #233d78; --hot: #ff5d70;
  --mark: #ffe45c; --warn: #f0b552; --ok: #6fd3a3; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); }
body {
  font: 400 15px/1.55 var(--text);
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
  /* faint chart graticule */
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 120px 120px;
  background-position: -1px -1px;
}
a { color: var(--cobalt); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--hot); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--wide); margin: 0; line-height: 1.1; letter-spacing: -0.005em; }
h1 { font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 800; font-variation-settings: "wdth" 125; }
h2 { font-size: 1.15rem; font-weight: 700; font-variation-settings: "wdth" 118; }
h3 { font-size: 1rem; font-weight: 700; font-variation-settings: "wdth" 105; }
p { margin: 0; }

/* ------------------------------------------------------------ shell */
.shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }
.rail {
  border-right: 1.5px solid var(--ink); padding: 22px 16px; display: flex; flex-direction: column; gap: 18px;
  position: sticky; top: 0; height: 100vh; overflow: auto; background: var(--paper); min-width: 0;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 800 1.02rem var(--wide); font-variation-settings: "wdth" 125; }
.brand svg { width: 30px; height: 30px; color: var(--ink); flex: none; }
#productList { display: flex; flex-direction: column; border-top: 1px solid var(--rule); }
#productList a { display: block; padding: 10px 4px; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); font-weight: 600; }
#productList a small { display: block; color: var(--muted); font-size: 0.78rem; font-weight: 400; }
#productList a[aria-current="page"] { color: var(--cobalt); }
#productList a[aria-current="page"]::before { content: "◆ "; color: var(--hot); font-size: 0.7em; vertical-align: 0.15em; }
#productList a:hover { color: var(--cobalt); }
.rail-foot { margin-top: auto; display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; }
main { padding: 34px clamp(16px, 4vw, 60px) 90px; max-width: 1220px; width: 100%; min-width: 0; }
main:focus { outline: none; }

/* ------------------------------------------------------------ controls */
.btn {
  font: 600 0.9rem var(--text); border: 1.5px solid var(--ink); background: transparent; color: var(--ink);
  padding: 7px 13px; border-radius: var(--r); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { background: var(--paper-2); }
.btn.primary { background: var(--cobalt); border-color: var(--cobalt); color: #fff; }
.btn.primary:hover { background: var(--ink); border-color: var(--ink); }
:root[data-theme="dark"] .btn.primary { color: var(--paper); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn.primary { color: var(--paper); } }
.btn.quiet { border-color: transparent; color: var(--cobalt); padding-inline: 4px; }
.btn.wide { width: 100%; justify-content: center; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; background: transparent; }
:root .btn.primary[disabled], :root:not([data-theme="light"]) .btn.primary[disabled] { color: var(--cobalt); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.hint { color: var(--muted); font-size: 0.88rem; }

dialog { border: 1.5px solid var(--ink); border-radius: var(--r); background: var(--sheet); color: var(--ink); width: min(560px, calc(100vw - 32px)); padding: 26px; box-shadow: 8px 8px 0 var(--cobalt-soft); }
dialog::backdrop { background: rgb(14 31 77 / 0.4); }
dialog form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.88rem; }
input, textarea { font: 400 1rem var(--text); color: var(--ink); background: var(--sheet); border: 1px solid var(--rule); border-bottom: 1.5px solid var(--ink); border-radius: var(--r) var(--r) 0 0; padding: 9px 11px; }
textarea { resize: vertical; }

#toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(16px); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: var(--r); opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; z-index: 10; max-width: calc(100vw - 32px); }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ------------------------------------------------------------ header + cartouche */
.head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 340px); gap: 28px; align-items: start; }
.head .lede { color: var(--muted); max-width: 58ch; margin-top: 10px; font-size: 1.02rem; }
.head .url { font-size: 0.88rem; display: inline-block; margin-top: 8px; }
.actions { margin-top: 22px; }
.cartouche { border: 1.5px solid var(--ink); background: var(--sheet); font-size: 0.84rem; margin: 0; }
.cartouche dd { overflow-wrap: anywhere; }
.cartouche > div { display: grid; grid-template-columns: 92px 1fr; border-bottom: 1px solid var(--rule); }
.cartouche > div:last-child { border-bottom: 0; }
.cartouche dt { padding: 6px 10px; color: var(--muted); border-right: 1px solid var(--rule); }
.cartouche dd { margin: 0; padding: 6px 10px; font-weight: 600; }
.cartouche dd.flag { color: var(--warn); }

/* course line */
.course { list-style: none; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.course::before { content: ""; position: absolute; left: 7px; right: 7px; top: 7px; border-top: 1.5px dashed var(--rule); }
.course li { position: relative; padding-top: 24px; font-size: 0.84rem; color: var(--muted); padding-right: 10px; }
.course li::before { content: ""; position: absolute; left: 0; top: 0; width: 15px; height: 15px; border-radius: 50%; border: 1.5px solid var(--rule); background: var(--paper); }
.course li.done { color: var(--ink); }
.course li.done::before { background: var(--cobalt); border-color: var(--cobalt); }
.course li.done::after { content: ""; position: absolute; left: 7px; right: -7px; top: 7px; border-top: 1.5px solid var(--cobalt); z-index: -1; }
.course li.active { color: var(--ink); font-weight: 600; }
.course li.active::before { border-color: var(--hot); border-width: 2px; box-shadow: 0 0 0 4px color-mix(in srgb, var(--hot) 18%, transparent); animation: ping 1.6s infinite ease-out; }
@keyframes ping { 70% { box-shadow: 0 0 0 9px transparent; } }

.tabs { display: flex; gap: 22px; margin: 34px 0 26px; border-bottom: 1.5px solid var(--ink); overflow-x: auto; }
.tabs a { padding: 8px 0; color: var(--muted); text-decoration: none; font-weight: 600; border-bottom: 3px solid transparent; margin-bottom: -1.5px; white-space: nowrap; }
.tabs a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--hot); }
.tabs a .count { font-weight: 400; color: var(--muted); margin-left: 5px; font-variant-numeric: tabular-nums; }

.section { margin-bottom: 44px; }
.section > h2 { margin-bottom: 6px; }
.section > .hint { margin-bottom: 16px; max-width: 72ch; }

/* ------------------------------------------------------------ product facts */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); border-top: 1.5px solid var(--ink); }
.facts > div { padding: 12px 18px 14px 0; border-bottom: 1px solid var(--rule); }
.facts dt { color: var(--muted); font-size: 0.82rem; }
.facts dd { margin: 3px 0 0; }
.phrases { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.phrase { font: italic 400 1.02rem/1.4 var(--quote); }
.phrase::before { content: "“"; color: var(--muted); }
.phrase::after { content: "”"; color: var(--muted); }
.phrase + .phrase { padding-left: 10px; border-left: 1px solid var(--rule); }
mark { background: linear-gradient(transparent 12%, var(--mark) 12%, var(--mark) 88%, transparent 88%); color: #0e1f4d; padding: 0 2px; }

.policy { border: 1.5px solid var(--warn); padding: 14px 16px; margin: 22px 0 6px; background: color-mix(in srgb, var(--warn) 7%, var(--sheet)); }
.policy h3 { color: var(--warn); margin-bottom: 4px; }

/* ------------------------------------------------------------ radar chart (the signature) */
.radar-wrap { display: grid; grid-template-columns: minmax(280px, 480px) minmax(0, 1fr); gap: 34px; align-items: start; }
.radar { position: relative; aspect-ratio: 1; width: 100%; }
.radar svg.rose { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; color: var(--ink); }
.sounding {
  position: absolute; transform: translate(-50%, -50%); border: 0; background: transparent; padding: 2px 3px; cursor: pointer;
  font: 600 0.78rem var(--text); font-variant-numeric: tabular-nums; color: var(--cobalt); line-height: 1; border-radius: 2px;
}
.sounding.hot { color: var(--hot); font-weight: 800; }
.sounding.hot::before { content: ""; position: absolute; left: 50%; top: 50%; width: 22px; height: 22px; transform: translate(-50%, -50%); border: 1.5px solid var(--hot); border-radius: 50%; }
.sounding:hover, .sounding[aria-pressed="true"] { background: var(--ink); color: var(--paper); z-index: 2; }
.sounding[aria-pressed="true"].hot::before { border-color: var(--ink); }
.radar.reveal .sounding { animation: surface .45s both cubic-bezier(.2,.8,.3,1.2); }
@keyframes surface { from { opacity: 0; transform: translate(-50%, -50%) scale(.3); } }
@media (prefers-reduced-motion: reduce) { .radar.reveal .sounding, .course li.active::before { animation: none; } }

.legend { list-style: none; padding: 0; margin: 0 0 18px; border-top: 1.5px solid var(--ink); }
.legend li { display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid var(--rule); }
.legend .sector { font: 800 0.95rem var(--wide); font-variation-settings: "wdth" 125; color: var(--cobalt); }
.legend .n { color: var(--muted); font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.key { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.8rem; color: var(--muted); margin-bottom: 12px; }
.key b { color: var(--hot); }

.quote { border-left: 3px solid var(--ink); padding: 4px 0 4px 16px; }
.quote blockquote { margin: 0 0 10px; font: italic 400 1.18rem/1.45 var(--quote); }
.quote footer { color: var(--muted); font-size: 0.84rem; display: flex; gap: 12px; flex-wrap: wrap; align-items: baseline; }
.intent { font: 800 0.95rem var(--wide); font-variant-numeric: tabular-nums; color: var(--cobalt); }
.intent.hot { color: var(--hot); }

.clusters { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px 40px; }
.cluster { border-top: 1.5px solid var(--ink); padding-top: 12px; }
.cluster h3 { display: flex; justify-content: space-between; gap: 12px; }
.cluster p { color: var(--muted); margin: 4px 0 10px; }
.cluster ul { margin: 0; padding: 0; list-style: none; }
.cluster li { margin-bottom: 6px; font: italic 400 1rem/1.4 var(--quote); }

.list-plain { list-style: none; padding: 0; margin: 0; border-top: 1.5px solid var(--ink); }
.list-plain > li { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.signal-row { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 14px; }
.signal-row p.q { font: italic 400 1.04rem/1.5 var(--quote); }
.signal-row .meta { color: var(--muted); font-size: 0.82rem; margin-top: 5px; }

/* ------------------------------------------------------------ experiments: log sheets */
.exp { position: relative; background: var(--sheet); border: 1.5px solid var(--ink); padding: 22px 24px 24px; margin-bottom: 26px; }
.exp-tab { position: absolute; top: -1.5px; left: 22px; transform: translateY(-100%); background: var(--ink); color: var(--paper); font: 700 0.78rem var(--wide); font-variation-settings: "wdth" 120; padding: 4px 10px 3px; border-radius: var(--r) var(--r) 0 0; }
.exp-head { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.exp-head .channel { color: var(--muted); font-size: 0.86rem; margin-bottom: 4px; }
.stamp { font: 800 0.74rem var(--wide); font-variation-settings: "wdth" 115; padding: 5px 9px; border: 2px solid currentColor; border-radius: 3px; transform: rotate(-3deg); align-self: flex-start; white-space: nowrap; color: var(--muted); }
.stamp.running { color: var(--ok); }
.stamp.blocked_policy { color: var(--warn); }
.stamp.decided { color: var(--cobalt); }
.exp .angle { font: italic 400 1.2rem/1.4 var(--quote); margin: 12px 0 6px; max-width: 64ch; }
.exp .why { color: var(--muted); font-size: 0.9rem; max-width: 74ch; }
.log { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 20px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.log div { padding: 10px 12px 10px 0; }
.log div + div { padding-left: 12px; border-left: 1px solid var(--rule); }
.log b { display: block; font: 800 1.7rem/1.1 var(--wide); font-variant-numeric: tabular-nums; }
.log span { color: var(--muted); font-size: 0.8rem; }
.verdict { border-left: 4px solid var(--cobalt); padding: 10px 14px; margin: 14px 0; background: var(--paper-2); }
.verdict.ready_for_ads { border-color: var(--hot); }
.verdict.kill { border-color: var(--muted); }
.verdict strong { font-family: var(--wide); }
.draft { border-top: 1px dashed var(--rule); padding-top: 14px; margin-top: 14px; }
.draft textarea { width: 100%; min-height: 72px; font: italic 400 1rem/1.5 var(--quote); background: var(--paper); }
.draft .target { font-size: 0.82rem; color: var(--muted); margin-bottom: 8px; word-break: break-all; }
.draft .row { margin-top: 10px; }
.draft[data-status="posted"] textarea { border-bottom-color: var(--ok); }
.creative { margin-top: 16px; display: grid; grid-template-columns: 150px 1fr; gap: 14px; align-items: start; }
.creative img { width: 150px; height: 150px; object-fit: cover; border: 1.5px solid var(--ink); }
details.more summary { cursor: pointer; color: var(--cobalt); font-weight: 600; margin-top: 14px; }

/* ------------------------------------------------------------ trace + bank */
.trace { font-size: 0.88rem; }
.trace li { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 12px; padding: 8px 0; }
.trace .kind { color: var(--muted); font-weight: 600; }
.trace .kind.tool { color: var(--hot); }
.trace .kind.model { color: var(--cobalt); }
.job { margin-bottom: 30px; }
.job h3 { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; }
.job h3 small { color: var(--muted); font-weight: 400; font-family: var(--text); font-size: 0.84rem; }
.bars { display: flex; flex-direction: column; gap: 10px; border-top: 1.5px solid var(--ink); padding-top: 12px; }
.bar { display: grid; grid-template-columns: 190px minmax(0, 1fr) 110px; gap: 12px; align-items: center; font-size: 0.9rem; }
.bar .track { height: 10px; border-bottom: 1px solid var(--rule); position: relative; }
.bar .fill { height: 100%; background: var(--cobalt); }
.bar .num { color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 44px 0; max-width: 56ch; }
.empty h1 { margin-bottom: 14px; }
.empty p { color: var(--muted); margin-bottom: 20px; font-size: 1.04rem; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; background: var(--sheet); border: 1px solid var(--rule); padding: 12px 14px; white-space: pre-wrap; word-break: break-all; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 900px) {
  .radar-wrap { grid-template-columns: 1fr; }
  .head { grid-template-columns: 1fr; }
  .cartouche { min-width: 0; }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; border-right: 0; border-bottom: 1.5px solid var(--ink); }
  .rail-foot { flex-direction: row; gap: 16px; }
  .course { grid-template-columns: 1fr; gap: 10px; }
  .course::before { left: 7px; right: auto; top: 8px; bottom: 8px; border-top: 0; border-left: 1.5px dashed var(--rule); }
  .course li { padding: 0 0 0 26px; }
  .course li.done::after { display: none; }
  .log { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .log div:nth-child(3) { border-left: 0; padding-left: 0; }
  .bar { grid-template-columns: 110px minmax(0, 1fr) 80px; }
  .creative { grid-template-columns: 1fr; }
  .exp { padding: 20px 16px; }
}

/* ------------------------------------------------------------ sign-in + demo */
body.signin .shell { grid-template-columns: 1fr; }
body.signin .rail { display: none; }
body.signin main { max-width: none; padding: 0; }
.signin-page { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, 440px); gap: clamp(32px, 6vw, 96px); align-items: center; padding: 48px clamp(16px, 6vw, 96px); max-width: 1320px; margin: 0 auto; }
.signin-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; }
.signin-copy h1 { font-size: clamp(2.2rem, 4.6vw, 3.9rem); max-width: 16ch; }
.signin-copy .lede { color: var(--muted); font-size: 1.1rem; max-width: 52ch; }
.brand.big { font-size: 1.15rem; }
.brand.big svg { width: 40px; height: 40px; }
.signin-card { background: var(--sheet); border: 1.5px solid var(--ink); box-shadow: 8px 8px 0 var(--cobalt-soft); padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.signin-card details.more summary { margin-top: 0; font-size: 0.9rem; }
.demo #newProductBtn, .demo .actions, .demo [data-run], .demo [data-act], .demo [data-start], .demo form.metrics, .demo .policy label { display: none !important; }
.demo-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; border: 1.5px solid var(--ink); background: var(--mark); color: #0e1f4d; padding: 10px 14px; margin-bottom: 28px; font-size: 0.92rem; }
.demo-bar .btn { border-color: #0e1f4d; color: #0e1f4d; padding: 5px 11px; }
@media (max-width: 860px) { .signin-page { grid-template-columns: 1fr; padding-top: 36px; } }