/* RELIEF Studio. Layout: a top bar, one working column up to 1100px, cards only where an object needs edges.
   Instrument palette: graphite and paper, one signal red borrowed from the rig's printed shell. */
:root {
  --bg: #f5f6f7; --panel: #ffffff; --ink: #16191d; --ink2: #4a515c; --muted: #7d8591; --rule: #dde1e6;
  --accent: #b4302b; --accent-ink: #8f221e; --ok: #1f7a4a; --warn: #9a6a00; --bad: #b4302b; --focus: #2a78d6;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #121417; --panel: #1b1e23; --ink: #eceef1; --ink2: #b9bfc8; --muted: #828a96; --rule: #2c3138;
  --accent: #e0574f; --accent-ink: #f08a84; --ok: #48b07a; --warn: #e0b64a; --bad: #e0574f; --focus: #6aa8ef; color-scheme: dark } }
:root[data-theme="dark"] {
  --bg: #121417; --panel: #1b1e23; --ink: #eceef1; --ink2: #b9bfc8; --muted: #828a96; --rule: #2c3138;
  --accent: #e0574f; --accent-ink: #f08a84; --ok: #48b07a; --warn: #e0b64a; --bad: #e0574f; --focus: #6aa8ef; color-scheme: dark }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--sans); }
a { color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 13px; }

.bar { display: flex; align-items: center; gap: 24px; padding: 10px 20px; background: var(--panel);
       border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 2; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: .08em; color: var(--ink);
         text-decoration: none; }
.brand .sub { font-weight: 400; letter-spacing: 0; color: var(--muted); }
.mark { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--accent);
        box-shadow: inset 0 0 0 3px var(--panel), inset 0 0 0 6px var(--accent); }
nav { display: flex; gap: 4px; }
nav a { padding: 6px 12px; border-radius: 6px; color: var(--ink2); text-decoration: none; }
nav a[aria-current="page"] { background: var(--bg); color: var(--ink); font-weight: 500; }
.right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
select, input, button { font: inherit; }
select, input { background: var(--panel); color: var(--ink); border: 1px solid var(--rule); border-radius: 6px; padding: 6px 10px; }
button { background: var(--ink); color: var(--panel); border: 0; border-radius: 6px; padding: 7px 14px; cursor: pointer; }
button.ghost { background: transparent; color: var(--ink2); border: 1px solid var(--rule); }
button:disabled { opacity: .45; cursor: not-allowed; }

main { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }
h1 { font-size: 26px; font-weight: 600; margin: 0 0 4px; text-wrap: balance; }
h2 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }
.lede { color: var(--ink2); margin: 0 0 22px; max-width: 68ch; }
.panel { background: var(--panel); border: 1px solid var(--rule); border-radius: 8px; padding: 18px; }
.empty { text-align: center; padding: 48px 20px; color: var(--ink2); }
.empty strong { display: block; color: var(--ink); font-size: 17px; margin-bottom: 6px; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--rule); }
th { font-weight: 500; color: var(--muted); font-size: 12px; letter-spacing: .05em; text-transform: uppercase; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.row label { display: grid; gap: 4px; font-size: 13px; color: var(--ink2); }
.pill { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 10px; border: 1px solid var(--rule); color: var(--ink2); }
.pill.owner { border-color: var(--accent); color: var(--accent-ink); }
.notice { border-left: 3px solid var(--warn); padding: 8px 12px; background: var(--panel); margin: 12px 0; border-radius: 0 6px 6px 0; }
.error { border-left-color: var(--bad); }
.signin { display: grid; place-items: center; min-height: 60vh; gap: 16px; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }
@media (max-width: 640px) { .bar { gap: 10px; } nav { order: 3; width: 100%; } }

/* M2: scanners, coins, capture */
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--rule); margin-right: 6px; vertical-align: 1px; }
.dot.on { background: var(--ok); }
.faces { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.face h3 { margin: 0 0 10px; font-size: 16px; }
.rail { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 10px; }
.rail li { font-size: 12px; padding: 3px 8px; border-radius: 10px; border: 1px solid var(--rule); color: var(--muted); }
.rail li.done { color: var(--ok); border-color: var(--ok); }
.rail li.now { color: var(--ink); border-color: var(--ink); font-weight: 500; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 8px 0; }
.facts div { min-width: 0; }
.facts dt { font-size: 12px; color: var(--muted); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.fcimg img { width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--rule); margin: 6px 0; }
.small { font-size: 13px; color: var(--ink2); }

/* M3: AI readings (views/readings.js) */
.readings { margin-top: 16px; }
.readings h2 { margin-top: 0; }
.reading { border-top: 1px solid var(--rule); padding: 12px 0; }
.reading h4 { font-size: 13px; font-weight: 600; margin: 10px 0 4px; color: var(--ink2); }
.reading details { margin: 8px 0; }
.rlist { margin: 0; padding-left: 18px; }
.rlist li { margin: 2px 0; }
.pill.ai { border-color: var(--warn); color: var(--warn); }
.pill.status-accepted { border-color: var(--ok); color: var(--ok); }
.pill.status-rejected { border-color: var(--bad); color: var(--bad); }
.pill.conf-high { border-color: var(--ok); }
.pill.conf-low { border-style: dashed; }

/* the view takes focus after navigation (screen readers); no ring around the whole page */
#view:focus { outline: none; }