/* Keep Apart - lab-bench paper and navy ink, amber for open rings, coral (+) and sky (-) for the two wants. */
:root { --bg: #f4f1ea; --panel: #fffdf8; --ink: #1d2633; --mute: #56657a; --line: #d9d2c3; --navy: #1f3550; --amber: #a86f00; --amber-bg: #fff3d6;
  --coral: #c24a1f; --sky: #19719f; --shut: #8a93a0; --shut-bg: #eceae4; --bad: #a3271b; --bad-bg: #fde9e6; --warn: #8a5a00; --warn-bg: #fff4dc; --ok: #1e6b3a; --ok-bg: #e5f4ea;
  --radius: 14px; color-scheme: light; }
:root[data-theme="dark"] { --bg: #0d131c; --panel: #151e2b; --ink: #e6edf6; --mute: #a3b3c6; --line: #2a3a50; --navy: #9cc1ea; --amber: #f2b544; --amber-bg: #3a2c0c;
  --coral: #ff9a70; --sky: #6fd0ff; --shut: #8d99aa; --shut-bg: #1d2735; --bad: #ff9c8f; --bad-bg: #3a1a17; --warn: #f5c76b; --warn-bg: #352a10; --ok: #8fe0ab; --ok-bg: #12301f; color-scheme: dark; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--sky); }
.hidden { display: none !important; }
.small { font-size: 0.875rem; } .muted { color: var(--mute); } .mono { font-family: ui-monospace, Menlo, monospace; }
.bar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.back { text-decoration: none; color: var(--mute); white-space: nowrap; }
.brand { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; color: var(--navy); }
.brand strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo { width: 26px; height: 26px; flex: none; }
.lg-ring { fill: none; stroke: var(--navy); stroke-width: 1.6; } .lg-a { fill: var(--coral); } .lg-b { fill: var(--sky); }
.session { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  font: inherit; font-size: 0.9rem; cursor: pointer; text-decoration: none; white-space: nowrap; }
.pill:hover:not(:disabled) { border-color: var(--navy); }
.pill.solid { background: var(--navy); color: var(--panel); border-color: var(--navy); }
.pill.solid:hover:not(:disabled) { filter: brightness(1.1); }
.pill.ghost { background: transparent; cursor: default; }
.pill.tiny { padding: 4px 10px; font-size: 0.8rem; } .pill.big { padding: 10px 22px; font-size: 1rem; font-weight: 700; }
.pill:disabled { opacity: 0.5; cursor: not-allowed; }
main { max-width: 900px; margin: 0 auto; padding: 8px 16px 40px; }
.hero { padding: 22px 0 6px; }
.kicker { margin: 0; text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 700; color: var(--amber); }
h1 { margin: 6px 0 8px; font-size: 2.2rem; line-height: 1.1; color: var(--navy); }
.h1b { display: block; font-size: 1.1rem; font-weight: 500; color: var(--ink); margin-top: 6px; }
.lede { margin: 0 0 12px; max-width: 64ch; }
.samples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { border: 1px dashed var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 0.85rem; cursor: pointer; }
.chip:hover { border-color: var(--amber); } .chip.on { border-style: solid; border-color: var(--amber); background: var(--amber-bg); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; }
.ph { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; font-size: 1.1rem; color: var(--navy); flex-wrap: wrap; }
.step-no { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: var(--panel); font-size: 0.85rem; }
.free { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; padding: 2px 8px; border-radius: 999px; background: var(--ok-bg); color: var(--ok); }
.note { color: var(--warn); background: var(--warn-bg); padding: 6px 10px; border-radius: 8px; }
.wants { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.nf { display: flex; flex-direction: column; gap: 4px; margin: 8px 0; }
.nf-l { font-weight: 600; }
.inp { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); font: inherit; }
.inp:focus { outline: 2px solid var(--amber); outline-offset: 1px; }
.wa .inp { border-left: 4px solid var(--coral); } .wb .inp { border-left: 4px solid var(--sky); }
.sign-a { color: var(--coral); } .sign-b { color: var(--sky); }
.qlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.qrow { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); border-left: 5px solid var(--amber); }
.qrow.is-shut { border-left-color: var(--shut); background: var(--shut-bg); }
.qtext { display: flex; flex-direction: column; } .qname { color: var(--navy); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; }
.qclue { grid-column: 1 / -1; margin: 0; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.segb { border: 0; background: transparent; color: var(--ink); padding: 6px 12px; font: inherit; font-size: 0.85rem; cursor: pointer; white-space: nowrap; }
.segb + .segb { border-left: 1px solid var(--line); }
.segb.on { background: var(--navy); color: var(--panel); font-weight: 700; }
.trapwrap svg { display: block; width: 100%; height: auto; border-radius: 12px; }
.ruleline { color: var(--navy); font-weight: 600; }
.cardrow, .exports, .runrow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 10px; }
.gate { margin: 10px 0 0; color: var(--warn); }
.steps { list-style: none; padding: 0; margin: 6px 0; } .step { padding: 2px 0; color: var(--mute); } .step.done { color: var(--ok); } .step.active { color: var(--ink); font-weight: 700; }
.step-ic { display: inline-block; width: 1.2em; font-family: ui-monospace, Menlo, monospace; }
.raw { white-space: pre-wrap; word-break: break-word; font-size: 0.8rem; max-height: 320px; overflow: auto; }
.result.empty .exports { opacity: 0.85; }
.res-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.res-kick { margin: 0; text-transform: uppercase; letter-spacing: 0.1em; color: var(--mute); font-weight: 700; }
.badge { padding: 4px 12px; border-radius: 6px; border: 2px solid var(--line); font-weight: 800; letter-spacing: 0.08em; font-size: 0.8rem; color: var(--mute); }
.badge[class*="v-split"] { border-color: var(--amber); color: var(--amber); background: var(--amber-bg); }
.badge.v-trade-off { border-color: var(--coral); color: var(--coral); }
.headline { font-size: 1.15rem; font-weight: 600; color: var(--navy); margin: 10px 0; }
.sepcards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 10px 0; }
.scard { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; border-top: 4px solid var(--amber); }
.scard.s-shut { border-top-color: var(--shut); background: var(--shut-bg); } .scard.is-chosen { box-shadow: 0 0 0 2px var(--amber) inset; }
.sc-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sc-name { margin: 0; font-size: 0.95rem; color: var(--navy); }
.sc-idea { margin: 6px 0 0; font-size: 0.92rem; }
.tag { font-size: 0.72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.06em; }
.tag.t-open { background: var(--amber-bg); color: var(--amber); } .tag.t-shut { background: var(--panel); color: var(--mute); border: 1px solid var(--line); }
.planbox, .firstbox, .watchbox { border-radius: 12px; padding: 12px 14px; margin: 10px 0; border: 1px solid var(--line); }
.planbox { background: var(--bg); } .planbox > b { color: var(--navy); font-size: 1.05rem; }
.plansteps { margin: 8px 0; padding-left: 1.3em; }
.keeps { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.keep { margin: 0; padding: 8px 10px; border-radius: 8px; font-size: 0.9rem; background: var(--panel); }
.keep.ka { border-left: 4px solid var(--coral); } .keep.kb { border-left: 4px solid var(--sky); }
.firstbox { border-left: 5px solid var(--ok); } .watchbox { border-left: 5px solid var(--warn); }
.firstbox p, .watchbox p { margin: 4px 0 0; }
.closing { font-style: italic; }
.recon { padding-left: 1.2em; } .recon li { margin: 4px 0; font-size: 0.9rem; }
.recon li.bad { color: var(--bad); } .recon li.warn { color: var(--warn); } .recon li.none { color: var(--ok); }
.saved { list-style: none; padding: 0; margin: 10px 0 0; }
.hrow { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); }
.hrow.none { color: var(--mute); font-size: 0.9rem; }
.hdot { width: 12px; height: 12px; border-radius: 50%; background: var(--amber); flex: none; } .hdot.v-trade-off { background: var(--coral); } .hdot.v-none { background: var(--shut); }
.hinfo { display: flex; flex-direction: column; flex: 1; min-width: 0; } .hbtns { display: flex; gap: 6px; }
.foot { max-width: 900px; margin: 0 auto; padding: 10px 16px 40px; color: var(--mute); font-size: 0.85rem; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: min(380px, calc(100vw - 32px)); }
.toast { padding: 10px 14px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); box-shadow: 0 4px 16px rgba(0,0,0,0.15); transition: opacity 0.5s; font-size: 0.9rem; }
.toast.ok { border-left: 4px solid var(--ok); } .toast.err { border-left: 4px solid var(--bad); } .toast.gone { opacity: 0; }
.doc { max-width: 900px; margin: 0 auto; padding: 16px; }
.statebox, .tokenbox { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 10px 0; word-break: break-all; }
.tokenrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 0; }
.tab { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 8px 8px 0 0; padding: 4px 10px; font: inherit; font-size: 0.8rem; cursor: pointer; }
.tab.active { background: var(--navy); color: var(--panel); }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 0 8px 8px 8px; padding: 10px; overflow-x: auto; font-size: 0.8rem; }
table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid var(--line); padding: 4px 8px; text-align: left; font-size: 0.85rem; }
@media (max-width: 640px) {
  h1 { font-size: 1.8rem; } .back-t { display: none; } .bar { padding: 8px 12px; gap: 6px; } .pill { padding: 5px 10px; font-size: 0.82rem; }
  .wants, .sepcards, .keeps { grid-template-columns: 1fr; }
  .qrow { grid-template-columns: 1fr; } .seg { justify-self: start; }
  .panel { padding: 14px; }
}
@media print { .bar, .samples, .askbox, .histbox, .exports, .cardrow, .toasts, .wantpanel, .qpanel { display: none !important; } body { background: #fff; } }