/* Need to Know - cool steel paper, navy ink, a brass tuning dial and a lit fuse. Light and dark share one set of tokens. */
:root {
  --bg: #eceff3; --panel: #ffffff; --ink: #18202b; --muted: #556072; --line: #cfd6df; --accent: #1f4f8a; --accent-ink: #ffffff; --chip: #e4e9f0;
  --brass: #a8781a; --glass: #f6efdc; --glass-line: #8d6a1f; --needle: #b3261e; --rope: #6d5a3a; --spark: #e0761b; --hot: rgba(179,38,30,.10);
  --ring-planning: #1f4f8a; --ring-helping: #2f7a5a; --ring-told: #8a6a1f; --mark: #8a93a3;
  --v-airtight-bg: #d9efe1; --v-airtight: #1d5a36; --v-patch-bg: #f7e8c3; --v-patch: #6a4807; --v-lockdown-bg: #f6d8d4; --v-lockdown: #8a1f16;
  --k-child: #f6e1c8; --k-house: #e3e0f5; --k-two: #dbe9f6; --k-big: #f3dbe6; --k-long: #e6eedb; --k-ink: #222a35;
  --warn: #8a1f16; --ok: #1d5a36;
}
:root[data-theme="dark"] {
  --bg: #0e131a; --panel: #161d27; --ink: #e5eaf1; --muted: #9ca8b8; --line: #2b3646; --accent: #86b4ee; --accent-ink: #0b1522; --chip: #1e2733;
  --brass: #d8ab4a; --glass: #262013; --glass-line: #c99a3c; --needle: #ff8a7d; --rope: #b49a6b; --spark: #ffa24d; --hot: rgba(255,138,125,.12);
  --ring-planning: #86b4ee; --ring-helping: #7fd1aa; --ring-told: #e0bd6a; --mark: #6f7a8b;
  --v-airtight-bg: #173525; --v-airtight: #bfeacf; --v-patch-bg: #3c2f0e; --v-patch: #f6dc9c; --v-lockdown-bg: #461a16; --v-lockdown: #ffcdc6;
  --k-child: #3d2c16; --k-house: #2a2647; --k-two: #1c3047; --k-big: #42202f; --k-long: #263219; --k-ink: #eef2f7;
  --warn: #ffb4a8; --ok: #a9e3bf;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow-x: hidden; }
a { color: var(--accent); }
.hidden { display: none !important; }
.small { font-size: .875rem; } .muted { color: var(--muted); } .mono { font-family: ui-monospace, Menlo, monospace; }
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 20px; border-bottom: 3px double var(--line); background: var(--panel); flex-wrap: wrap; }
.back { text-decoration: none; color: var(--muted); font-size: .9rem; white-space: nowrap; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; margin-right: auto; white-space: nowrap; }
.logo { width: 28px; height: 28px; }
.lg-box { fill: var(--glass); stroke: var(--ink); stroke-width: 1.6; }
.lg-ant { stroke: var(--ink); stroke-width: 1.6; stroke-linecap: round; }
.lg-dial { fill: none; stroke: var(--brass); stroke-width: 2.2; }
.lg-grille { stroke: var(--ink); stroke-width: 1.6; stroke-linecap: round; }
.session { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.pill { font: inherit; font-size: .875rem; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.3; }
.pill:hover:not(:disabled) { border-color: var(--accent); }
.pill.solid { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.pill.solid:hover:not(:disabled) { color: var(--accent-ink); }
.pill.ghost { cursor: default; background: transparent; }
.pill.tiny { padding: 3px 10px; font-size: .8rem; }
.pill.big { padding: 10px 22px; font-size: 1rem; }
.pill:disabled { opacity: .5; cursor: not-allowed; }
main { max-width: 1080px; margin: 0 auto; padding: 8px 20px 40px; }
.hero { padding: 22px 0 10px; }
.kicker { font-size: .85rem; color: var(--muted); border-left: 3px solid var(--brass); padding-left: 10px; margin: 0 0 14px; max-width: 760px; }
h1 { font-family: "Courier New", Courier, ui-monospace, monospace; font-size: clamp(2rem, 7vw, 3.2rem); letter-spacing: .04em; text-transform: uppercase; margin: 0; line-height: 1.05; overflow-wrap: anywhere; }
.h1b { display: block; font-size: 1.05rem; letter-spacing: 0; text-transform: none; font-family: system-ui, sans-serif; color: var(--muted); font-weight: 500; margin-top: 8px; }
.lede { max-width: 720px; }
.samples { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { font: inherit; font-size: .85rem; border: 1px solid var(--line); background: var(--chip); color: var(--ink); border-radius: 4px; padding: 5px 12px; cursor: pointer; }
.chip.on { border-color: var(--accent); box-shadow: inset 4px 0 0 var(--accent); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; margin: 16px 0; min-width: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; }
.two-col .panel { margin: 0; }
.ph { font-size: 1.15rem; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.step-no { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 4px; background: var(--ink); color: var(--panel); font-size: .85rem; flex: none; font-family: ui-monospace, monospace; }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.fgrid .wide { grid-column: 1 / -1; }
.lbl { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 4px; }
input[type=text], input[type=number], textarea, select { width: 100%; font: inherit; font-size: .95rem; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; }
textarea { resize: vertical; }
input:focus-visible, textarea:focus-visible, .pill:focus-visible, .chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.note { background: var(--chip); border-left: 3px solid var(--brass); padding: 6px 10px; border-radius: 4px; }
.mini-h { font-size: .95rem; margin: 16px 0 8px; }
.rings-form { display: grid; grid-template-columns: 1fr; gap: 8px; }
.rdot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: 0; }
.rdot.r-planning { background: var(--ring-planning); } .rdot.r-helping { background: var(--ring-helping); } .rdot.r-told { background: var(--ring-told); }
.rings-box { max-width: 320px; margin: 14px auto 0; }
.rings-box svg, .dial-box svg, .fuse-box svg { width: 100%; height: auto; display: block; }
.ring-mark { fill: none; stroke: var(--mark); stroke-width: 1.5; stroke-dasharray: 5 5; }
.ring-mark-t { fill: var(--muted); font-size: 12px; }
.ring { fill: none; stroke-width: 2; }
.ring.r-planning { stroke: var(--ring-planning); } .ring.r-helping { stroke: var(--ring-helping); } .ring.r-told { stroke: var(--ring-told); }
.secret rect { fill: var(--brass); }
.secret .shackle { fill: none; stroke: var(--brass); stroke-width: 3; }
.who circle { stroke: var(--panel); stroke-width: 2; }
.who.r-planning circle { fill: var(--ring-planning); } .who.r-helping circle { fill: var(--ring-helping); } .who.r-told circle { fill: var(--ring-told); }
.who-t { fill: var(--panel); font-size: 10px; font-weight: 700; font-family: ui-monospace, monospace; }
.who.flagged circle { stroke: var(--needle); stroke-width: 3; stroke-dasharray: 3 2; }
.ring-empty { fill: var(--muted); font-size: 12px; }
.flag-list, .stations { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.flag-list li.none, .stations li.none { color: var(--muted); font-size: .875rem; }
.fchip { font-size: .82rem; padding: 3px 9px; border-radius: 4px; color: var(--k-ink); }
.fchip.k-child { background: var(--k-child); } .fchip.k-housemate { background: var(--k-house); } .fchip.k-two-rings { background: var(--k-two); }
.fchip.k-big-circle { background: var(--k-big); } .fchip.k-long-fuse { background: var(--k-long); }
.tuners { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px 10px; margin: 8px 0 14px; }
.tune { display: flex; gap: 8px; align-items: flex-start; font-size: .88rem; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); cursor: pointer; }
.tune input { margin-top: 3px; accent-color: var(--accent); flex: none; }
.tune:has(input:checked) { border-color: var(--brass); box-shadow: inset 3px 0 0 var(--brass); }
.radio { background: linear-gradient(180deg, #5a3b22, #3e2816); border-radius: 14px; padding: 12px; margin: 6px 0 12px; }
:root[data-theme="dark"] .radio { background: linear-gradient(180deg, #3a2716, #24170c); }
.glass { fill: var(--glass); stroke: var(--glass-line); stroke-width: 2; }
.tick { stroke: var(--glass-line); stroke-width: 1.5; }
.tick-t { fill: var(--glass-line); font-size: 12px; font-family: ui-monospace, monospace; }
.st rect { fill: var(--accent); }
.st.r-high rect { fill: var(--needle); } .st.r-medium rect { fill: var(--brass); } .st.r-low rect { fill: var(--v-airtight); }
.st-t { fill: var(--ink); font-size: 11px; font-weight: 700; font-family: ui-monospace, monospace; }
.needle { stroke: var(--needle); stroke-width: 3; stroke-linecap: round; }
.needle.idle { opacity: .45; }
.dial-empty { fill: var(--muted); font-size: 14px; }
.stations { margin-top: 10px; flex-direction: column; flex-wrap: nowrap; }
.station { display: flex; align-items: center; gap: 8px; background: var(--glass); color: var(--ink); border-radius: 6px; padding: 5px 8px; font-size: .85rem; min-width: 0; }
.st-no { font-family: ui-monospace, monospace; font-weight: 700; min-width: 1.6em; text-align: center; border: 1px solid var(--glass-line); border-radius: 3px; }
.st-lab { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
.bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 18px; flex: none; }
.bars i { width: 5px; background: var(--line); border-radius: 1px; }
.bars i.on { background: var(--brass); }
.risk { font-size: .75rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; white-space: nowrap; }
.risk.r-high { background: var(--v-lockdown-bg); color: var(--v-lockdown); } .risk.r-medium { background: var(--v-patch-bg); color: var(--v-patch); } .risk.r-low { background: var(--v-airtight-bg); color: var(--v-airtight); }
.risk.r-none { background: var(--chip); color: var(--muted); }
.verdict-row { display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; margin: 10px 0; }
.verdict-row p { margin: 2px 0; flex: 1 1 220px; }
.badge { display: inline-block; font-weight: 700; font-size: .85rem; padding: 3px 12px; border-radius: 4px; background: var(--chip); color: var(--ink); text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; font-family: ui-monospace, monospace; }
.badge.v-airtight { background: var(--v-airtight-bg); color: var(--v-airtight); } .badge.v-patch { background: var(--v-patch-bg); color: var(--v-patch); } .badge.v-lockdown { background: var(--v-lockdown-bg); color: var(--v-lockdown); }
.fuse-box { max-width: 760px; }
.rope { fill: none; stroke: var(--rope); stroke-width: 5; stroke-linecap: round; stroke-dasharray: 2 3; }
.hot { fill: var(--hot); }
.ftick { stroke: var(--muted); stroke-width: 1.5; }
.spark circle { fill: var(--spark); } .spark-x { stroke: var(--spark); stroke-width: 2.5; stroke-linecap: round; }
.gift rect { fill: var(--accent); } .gift .ribbon { stroke: var(--brass); stroke-width: 4; fill: none; }
.fuse-t { fill: var(--muted); font-size: 12px; }
.cd circle { fill: var(--panel); stroke: var(--needle); stroke-width: 2.5; }
.cd-t { fill: var(--ink); font-size: 11px; font-weight: 700; font-family: ui-monospace, monospace; }
.key-line { margin-top: 10px; }
.runrow { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.gate { margin: 10px 0 4px; }
.progress .steps { list-style: none; padding: 0; margin: 6px 0; }
.step { padding: 2px 0; color: var(--muted); } .step.active { color: var(--ink); font-weight: 600; } .step.done { color: var(--ok); }
.step-ic { display: inline-block; width: 1.2em; font-family: ui-monospace, monospace; }
.raw { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .8rem; background: var(--bg); padding: 10px; border-radius: 6px; max-height: 360px; overflow: auto; }
.result { border-top: 6px solid var(--brass); }
.file-head { border-bottom: 2px dashed var(--line); padding-bottom: 8px; margin-bottom: 6px; }
.res-kick { margin: 0; color: var(--needle); font-family: ui-monospace, monospace; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.result h2 { margin: 4px 0 2px; overflow-wrap: anywhere; }
.codename { margin: 0; font-family: "Courier New", Courier, ui-monospace, monospace; font-weight: 700; font-size: 1.05rem; color: var(--accent); }
.result h3 { font-size: 1rem; margin: 18px 0 8px; }
.tbl-wrap { overflow-x: auto; }
.leak-tbl { width: 100%; border-collapse: collapse; font-size: .875rem; }
.leak-tbl th, .leak-tbl td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.leak-tbl th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.briefs { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; }
.brief { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; background: var(--bg); }
.brief p { margin: 4px 0 0; }
.brief .brief-copy { margin-top: 6px; }
.who-dot { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: .72rem; font-weight: 700; color: var(--panel); background: var(--mark); font-family: ui-monospace, monospace; }
.brief.r-planning .who-dot { background: var(--ring-planning); } .brief.r-helping .who-dot { background: var(--ring-helping); } .brief.r-told .who-dot { background: var(--ring-told); }
.rules { margin: 0; padding: 0; list-style: none; counter-reset: rule; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.rules .rule { counter-increment: rule; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px 8px 40px; position: relative; background: var(--glass); font-family: "Courier New", Courier, ui-monospace, monospace; font-size: .9rem; font-weight: 600; }
.rules .rule::before { content: counter(rule); position: absolute; left: 10px; top: 8px; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: var(--panel); display: grid; place-items: center; font-size: .75rem; }
.rules li.none, .briefs li.none, .countdown li.none, .holes li.none { color: var(--muted); border: 0; background: none; padding-left: 0; }
.rules li.none::before { content: none; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.tag-note { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; background: var(--bg); min-width: 0; }
.tag-note h4 { margin: 0 0 6px; font-size: .9rem; }
.tag-note p { margin: 0; }
.tag-note.far { border-left: 4px solid var(--needle); }
.holes { margin: 8px 0 0; padding-left: 18px; font-size: .875rem; }
.countdown { list-style: none; padding: 0; margin: 0; }
.cd-step { display: flex; gap: 10px; padding: 6px 0; border-bottom: 1px dotted var(--line); align-items: baseline; }
.cd-when { flex: none; min-width: 8.5em; font-family: ui-monospace, monospace; font-size: .82rem; font-weight: 700; color: var(--needle); }
.recon { padding-left: 18px; font-size: .875rem; }
.recon li.warn { color: var(--warn); } .recon li.none { color: var(--muted); list-style: none; margin-left: -18px; }
.none { color: var(--muted); }
.exports, .cardrow { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.saved { list-style: none; padding: 0; margin: 12px 0 0; }
.hrow { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.hrow.none { color: var(--muted); font-size: .875rem; }
.file-tab { flex: none; width: 14px; height: 30px; border-radius: 3px 0 0 3px; background: var(--chip); }
.file-tab.v-airtight { background: var(--v-airtight); } .file-tab.v-patch { background: var(--brass); } .file-tab.v-lockdown { background: var(--needle); }
.hinfo { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; overflow-wrap: anywhere; }
.hbtns { display: flex; gap: 6px; flex: none; }
.foot { max-width: 1080px; margin: 0 auto; padding: 10px 20px 40px; font-size: .85rem; color: var(--muted); }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 10; max-width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--ink); color: var(--panel); padding: 10px 14px; border-radius: 8px; font-size: .875rem; transition: opacity .5s; box-shadow: 0 4px 16px rgba(0,0,0,.25); }
.toast.err { background: var(--warn); color: var(--panel); }
.toast a { color: inherit; }
.toast.gone { opacity: 0; }
@media (max-width: 760px) {
  .two-col, .pair { grid-template-columns: 1fr; }
  .bar { padding: 10px 16px; gap: 8px; }
  main { padding: 6px 16px 32px; }
  .panel { padding: 14px 14px; }
  .back-t { display: none; }
  .fgrid { grid-template-columns: 1fr; }
  .cd-when { min-width: 6.5em; }
  .leak-tbl thead { display: none; }
  .leak-tbl tr { display: block; border-bottom: 1px solid var(--line); padding: 6px 0; }
  .leak-tbl td { display: block; border: 0; padding: 3px 0; }
  .leak-tbl td.plug::before { content: "Plug: "; font-weight: 700; }
}
@media print {
  .bar, .hero, .two-col, .dialbox, .askbox, .histbox, .aboutbox, .foot, .exports, .toasts, #progressPanel { display: none !important; }
  body { background: #fff; color: #000; }
  .result { border: 0; }
}