/* Knock-On - a still pond: slate water, river-stone grey, reed green, ember and amber markers. */
:root {
  --bg: #eef2f1; --panel: #fbfcfb; --card: #e3eae8; --ink: #142a2e; --muted: #4f6266; --line: #c9d5d3;
  --water: #d6e6e6; --water-2: #c3dad9; --ring: #7fa3a4; --spoke: #b7cbca; --stone: #5b6b6e; --stone-ink: #ffffff;
  --accent: #1d5f63; --accent-ink: #ffffff; --reed: #1f7a5a; --ember: #b23c22; --amber: #8a6200;
  --gain: #1f7a5a; --loss: #b23c22; --mixed: #8a6200; --seed: #1d5f63;
  --warn: #8a4b00; --warn-bg: #fbefdc; --fix: #a3271b; --fix-bg: #fbe3df; --note-bg: #e1eeee;
  --paper: #fffdf6; --paper-ink: #2b2a24; --placard: #23383b; --placard-ink: #f3f6f5;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --hand: "Bradley Hand", "Segoe Print", "Marker Felt", "Iowan Old Style", Georgia, serif;
}
:root[data-theme="dark"] {
  --bg: #0c1719; --panel: #132225; --card: #1b2e31; --ink: #e6f0ef; --muted: #a7bab9; --line: #2c4245;
  --water: #12292c; --water-2: #183539; --ring: #4f7f81; --spoke: #24413f; --stone: #a9b7b8; --stone-ink: #0c1719;
  --accent: #7fc8c6; --accent-ink: #0b1a1b; --reed: #6fd0a6; --ember: #ff9a7e; --amber: #f0c060;
  --gain: #6fd0a6; --loss: #ff9a7e; --mixed: #f0c060; --seed: #7fc8c6;
  --warn: #f2b765; --warn-bg: #33270f; --fix: #ff9a8a; --fix-bg: #3a1a16; --note-bg: #17302f;
  --paper: #ece6d6; --paper-ink: #24221c; --placard: #2d4346; --placard-ink: #eef4f3;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--sans); }
a { color: var(--accent); }
.hidden { display: none !important; }
.small { font-size: 0.86rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
button { font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; max-width: 100%; }
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--accent); }
textarea { resize: vertical; line-height: 1.45; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible, .nd:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }

/* Header */
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); flex-wrap: wrap; }
.back { text-decoration: none; font-size: 0.9rem; color: var(--muted); }
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--serif); font-size: 1.15rem; }
.logo { width: 30px; height: 30px; }
.lg-ring { fill: none; stroke: var(--ring); stroke-width: 1.4; }
.lg-stone { fill: var(--stone); }
.session { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 6px 13px; font-size: 0.88rem; cursor: pointer; text-decoration: none; }
.pill:hover:not(:disabled) { background: var(--card); }
.pill.solid { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.pill.solid:hover:not(:disabled) { background: var(--accent); color: var(--accent-ink); filter: brightness(1.08); }
.pill.ghost { cursor: default; }
.pill.tiny { padding: 3px 10px; font-size: 0.8rem; }
.pill.big { padding: 10px 20px; font-size: 1rem; font-weight: 600; }
.pill:disabled { opacity: 0.55; cursor: not-allowed; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px 24px; }
.hero { padding: 26px 0 10px; }
.kicker { margin: 0 0 6px; font-size: 0.85rem; font-weight: 600; color: var(--accent); }
.kicker a { color: inherit; }
h1 { font-family: var(--serif); font-size: clamp(1.8rem, 5vw, 2.9rem); line-height: 1.1; margin: 0 0 10px; overflow-wrap: break-word; }
h2, h3, h4 { font-family: var(--serif); overflow-wrap: break-word; }
.lede { max-width: 760px; margin: 0 0 14px; }
.samples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 999px; padding: 5px 12px; font-size: 0.85rem; cursor: pointer; }
.chip:hover { border-color: var(--ring); }
.chip.on { background: var(--water-2); border-color: var(--accent); color: var(--ink); font-weight: 600; }

.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0; }
.lane { text-align: left; border: 2px solid var(--line); background: var(--panel); border-radius: 14px; padding: 10px 14px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; }
.lane b { font-family: var(--serif); font-size: 1.05rem; }
.lane span { font-size: 0.85rem; color: var(--muted); }
.lane.on { border-color: var(--accent); background: var(--water); }

.layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 14px; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; margin: 0 0 14px; min-width: 0; }
.ph { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; font-size: 1.3rem; }
.num-badge { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--stone); color: var(--stone-ink); font-family: var(--sans); font-size: 0.9rem; font-weight: 700; flex: none; }
.lbl { display: block; font-size: 0.85rem; font-weight: 600; margin: 10px 0 4px; }
.row-set { border: 0; padding: 0; margin: 6px 0 0; min-width: 0; }
.row-set legend { padding: 0; }
.radio { display: inline-flex; gap: 6px; align-items: center; margin: 2px 14px 2px 0; font-size: 0.92rem; }
.chipset { display: flex; flex-wrap: wrap; gap: 6px; }
.tick { display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px 4px 8px; font-size: 0.86rem; background: var(--bg); cursor: pointer; }
.tick:has(input:checked) { background: var(--water-2); border-color: var(--accent); }
.flags { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.flags li { font-size: 0.86rem; padding: 6px 9px; border-radius: 8px; background: var(--note-bg); }
.flags li.lv-warn { background: var(--warn-bg); }
.flags li.lv-fix { background: var(--fix-bg); }
.lv { display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-right: 6px; color: var(--muted); }
.lv-warn .lv { color: var(--warn); }
.lv-fix .lv { color: var(--fix); }

/* The pond */
.pond-wrap { width: 100%; max-width: 680px; margin: 0 auto; }
.pond { width: 100%; height: auto; display: block; }
.water { fill: var(--water); }
.ring { fill: none; stroke: var(--ring); stroke-width: 1.6; }
.ring-1 { fill: var(--water-2); fill-opacity: 0.55; }
.spoke { stroke: var(--spoke); stroke-width: 1.2; stroke-dasharray: 3 5; }
.dlabel { fill: var(--muted); font: 600 19px var(--sans); }
.rlabel { fill: var(--muted); font: italic 16px var(--serif); }
.stone { fill: var(--stone); }
.stone-t { fill: var(--stone-ink); font: 600 17px var(--serif); }
.link { fill: none; stroke: var(--ring); stroke-width: 1.4; opacity: 0.8; }
.link.hot { stroke: var(--accent); stroke-width: 2.6; opacity: 1; }
.mk { stroke: var(--panel); stroke-width: 2; }
.mk-gain { fill: var(--gain); }
.mk-loss { fill: var(--loss); }
.mk-mixed { fill: var(--mixed); }
.mk-seed { fill: var(--panel); stroke: var(--seed); stroke-width: 2; }
.seed-ring { fill: none; stroke: var(--seed); stroke-width: 1.6; stroke-dasharray: 3 3; }
.nd { cursor: pointer; }
.nd.seed-only { cursor: default; }
.nd-t { fill: #ffffff; font: 700 14px var(--sans); pointer-events: none; }
:root[data-theme="dark"] .nd-t { fill: #0b1a1b; }
.nd.seed-only .nd-t { fill: var(--seed); font-size: 11px; }
.nd.sel .mk { stroke: var(--ink); stroke-width: 3; }
.nd:hover .mk { filter: brightness(1.12); }
.legend { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: center; }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.legend svg { width: 18px; height: 18px; }
.legend .mk { stroke-width: 1.5; }
.pickcard { margin-top: 12px; border-left: 4px solid var(--accent); background: var(--water); border-radius: 10px; padding: 10px 12px; }
.pickcard p { margin: 0 0 6px; }
.pick-text { font-family: var(--serif); font-size: 1.05rem; }

/* Ask + progress */
.note { background: var(--warn-bg); border-radius: 8px; padding: 6px 10px; }
.runrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; }
.gate { background: var(--note-bg); border-radius: 8px; padding: 8px 10px; margin: 10px 0 0; }
.steps { list-style: none; padding: 0; margin: 6px 0; display: grid; gap: 3px; }
.step { color: var(--muted); font-size: 0.92rem; }
.step.active { color: var(--ink); font-weight: 600; }
.step.done { color: var(--reed); }
.step-ic { display: inline-block; width: 1.2em; font-family: var(--mono); }
.raw { white-space: pre-wrap; overflow-wrap: anywhere; font-family: var(--mono); font-size: 0.8rem; max-height: 320px; overflow: auto; background: var(--card); padding: 10px; border-radius: 8px; }

/* Result */
.res-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.res-head h2 { margin: 0; font-size: 1.45rem; }
.stamp { display: inline-block; border: 2px solid currentColor; border-radius: 6px; padding: 2px 10px; font: 700 0.85rem var(--sans); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); }
.v-spreads { color: var(--gain); }
.v-fizzles { color: var(--amber); }
.v-sharpen { color: var(--ember); }
.v-relic { color: var(--accent); }
.summary { font-size: 1.02rem; max-width: 820px; }
.bigger { font-family: var(--serif); font-size: 1.1rem; }
.plain { padding-left: 1.2em; }
.plain li { margin: 4px 0; }
.ref { color: var(--muted); font-size: 0.86em; }
.none { color: var(--muted); font-style: italic; list-style: none; }
.ringlist h4 { margin: 12px 0 4px; font-size: 1rem; color: var(--muted); }
.ringlist ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.kn-b { width: 100%; text-align: left; border: 1px solid var(--line); border-left: 5px solid var(--mixed); background: var(--bg); border-radius: 8px; padding: 7px 10px; cursor: pointer; display: flex; flex-wrap: wrap; gap: 2px 8px; align-items: baseline; }
.t-gain .kn-b { border-left-color: var(--gain); }
.t-loss .kn-b { border-left-color: var(--loss); }
.kn.sel .kn-b { background: var(--water); border-color: var(--accent); }
.kn-b.hook-b { width: auto; display: inline-block; padding: 1px 8px; margin: 2px 4px 0 0; border-left-width: 1px; font-size: 0.85em; color: inherit; }
.kn-b.hook-b:hover, .kn-b.hook-b:focus-visible { border-color: var(--accent); }
.kn-id { font-weight: 700; font-size: 0.8rem; }
.kn-dom { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.kn-seed { font-size: 0.72rem; border: 1px dashed var(--seed); color: var(--seed); border-radius: 999px; padding: 0 7px; }
.kn-text { flex: 1 1 100%; }
.kn-who, .kn-from { font-size: 0.8rem; color: var(--muted); }
.recon { padding-left: 1.2em; }
.recon li { margin: 4px 0; font-size: 0.9rem; }
.recon li.warn { color: var(--warn); }
.recon li.fix { color: var(--fix); }
.exports { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

/* The vitrine: each found document in a case with a placard below */
.vitrine { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 12px 0; }
.case { margin: 0; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(180deg, var(--water) 0%, var(--card) 100%); padding: 16px 14px 0; display: flex; flex-direction: column; box-shadow: inset 0 0 0 6px var(--panel); }
.paper { background: var(--paper); color: var(--paper-ink); padding: 14px 14px 12px; border-radius: 3px; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18); position: relative; flex: 1; }
.case-no { position: absolute; top: 6px; right: 8px; font-size: 0.7rem; color: #57544a; }
.doc-h { margin: 0 0 6px; font-weight: 700; }
.doc-b { margin: 0 0 6px; font-size: 0.93rem; }
.k-notice .paper { border: 2px solid #2b2a24; border-radius: 0; }
.k-notice .doc-h { text-transform: uppercase; letter-spacing: 0.08em; text-align: center; border-bottom: 2px solid #2b2a24; padding-bottom: 4px; }
.k-letter .paper { font-family: var(--serif); }
.k-diary .paper { font-family: var(--hand); background-image: repeating-linear-gradient(180deg, transparent 0 23px, #c9d7e6 23px 24px); line-height: 24px; }
.k-diary .doc-b { line-height: 24px; }
.k-ad .paper { font-family: var(--serif); border: 1px dashed #2b2a24; }
.k-ad .doc-h { font-size: 1.05rem; }
.k-label .paper { border-radius: 18px; border: 3px double #2b2a24; text-align: center; font-family: var(--sans); }
.k-overheard .paper { font-family: var(--mono); font-size: 0.88rem; }
.placard { background: var(--placard); color: var(--placard-ink); margin: 12px -14px 0; padding: 10px 14px 12px; border-radius: 0 0 13px 13px; font-size: 0.84rem; }
.placard b { display: block; font-family: var(--serif); font-size: 0.95rem; margin-bottom: 4px; }
.placard p { margin: 3px 0; }
.pl-k { font-weight: 700; }
.plaque { border-top: 2px solid var(--ring); padding-top: 8px; font-family: var(--serif); font-size: 1.02rem; }

/* Kept worlds */
.cardrow { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.hist { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.hrow { display: flex; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.hinfo { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.hinfo b { overflow-wrap: anywhere; }

.foot { max-width: 1120px; margin: 0 auto; padding: 16px; color: var(--muted); font-size: 0.86rem; border-top: 1px solid var(--line); }
.foot a { color: var(--accent); }
.toasts { position: fixed; bottom: 14px; right: 14px; left: 14px; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; pointer-events: none; z-index: 50; }
.toast { pointer-events: auto; max-width: 420px; background: var(--ink); color: var(--bg); padding: 9px 13px; border-radius: 10px; font-size: 0.9rem; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2); transition: opacity 0.5s; }
.toast.err { background: var(--fix); color: #fff; }
:root[data-theme="dark"] .toast.err { color: #1a0c0a; }
.toast a { color: inherit; font-weight: 700; }
.toast.gone { opacity: 0; }

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 520px) {
  .lanes { grid-template-columns: 1fr; }
  .bar { gap: 8px; }
  .session { margin-left: 0; }
  .panel { padding: 12px; }
}
.print-only { display: none; }
@media print {
  .print-only { display: block !important; font-weight: 600; }
  .bar, .lanes, .askbox, .histbox, .exports, .samples, .toasts, #toRelic, #useBigger, #toRipple, .stonebox { display: none !important; }
  body { background: #fff; }
  .panel { border: 0; }
}