:root {
  --paper: #f6f1e6; --card: #fffcf5; --ink: #2a2622; --muted: #6b625a; --line: #e2d7c3; --accent: #b8432a; --accent-ink: #ffffff; --field: #fdf9f0; --bg: #fdf9f0;
  --kraft: #9a6b3f; --tin: #8a949b; --warn: #a3302a; --warn-bg: #f8e2dc; --info-bg: #f1e8d8; --ok-bg: #e3efe5; --ok-ink: #2f6a4a;
  --v-pic: #2f6f8f; --v-two: #7a4fa0; --v-slow: #b8432a; --v-read: #2f7d5b; --v-ink: #ffffff;
  --shadow: 0 1px 0 rgba(60, 40, 20, 0.05), 0 8px 22px rgba(60, 40, 20, 0.07);
}
html[data-theme="dark"] {
  --paper: #15120f; --card: #1f1b16; --ink: #f1e9dd; --muted: #b9ad9e; --line: #3a3229; --accent: #f08a6a; --accent-ink: #1a1410; --field: #1a1612; --bg: #1a1612;
  --kraft: #d7a46e; --tin: #a9b3ba; --warn: #ff9d8f; --warn-bg: #3d2420; --info-bg: #2b251e; --ok-bg: #1d2e24; --ok-ink: #9fdcb9;
  --v-pic: #7cc4e4; --v-two: #c9a6ec; --v-slow: #f08a6a; --v-read: #6fd0a3; --v-ink: #15120f;
  --shadow: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent); }
h1, h2, h3, .brand strong, .callsay { font-family: Rockwell, "Roboto Slab", "Courier New", Georgia, serif; }
code { font-size: 0.88em; background: var(--info-bg); padding: 1px 4px; border-radius: 3px; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.small { font-size: 0.88rem; } .muted { color: var(--muted); }

.top { display: flex; align-items: center; gap: 12px; padding: 10px 18px; background: var(--card); border-bottom: 3px dashed var(--kraft); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.back { text-decoration: none; color: var(--muted); font-size: 0.9rem; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.15rem; }
.logo { width: 32px; height: 24px; }
.lg-c { fill: var(--tin); stroke: var(--ink); stroke-width: 1; } .lg-s { fill: none; stroke: var(--kraft); stroke-width: 1.8; stroke-linecap: round; }
.session { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip-s { font-size: 0.85rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; }

.btn { font: inherit; font-size: 0.9rem; border: 1.5px solid var(--ink); color: var(--ink); background: transparent; border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.3; }
.btn:hover:not(:disabled) { background: var(--info-bg); }
.btn.solid { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.solid:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); color: var(--accent-ink); }
.btn.big { font-size: 1.05rem; padding: 10px 22px; }
.btn.tiny { font-size: 0.8rem; padding: 4px 11px; }
.btn.on { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

main { max-width: 1180px; margin: 0 auto; padding: 18px 16px 30px; }
.hero { padding: 16px 0 6px; max-width: 840px; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem; color: var(--kraft); font-weight: 700; }
h1 { font-size: 2.7rem; margin: 4px 0 8px; line-height: 1.05; }
h1 .sub { display: block; font-size: 1.1rem; font-weight: 400; color: var(--muted); margin-top: 8px; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
.samples { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0 4px; }
.sample { font: inherit; font-size: 0.86rem; border: 1px dashed var(--kraft); background: var(--card); color: var(--ink); border-radius: 999px; padding: 5px 13px; cursor: pointer; }
.sample:hover { border-style: solid; }
.sample.on { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); }
.line-card { padding: 10px 12px; }
.bench { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.bench .card { margin: 0; }
.ch { margin: 0 0 10px; font-size: 1.3rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.no { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: var(--paper); font-size: 0.92rem; font-family: system-ui, sans-serif; }
.free, .paid { font-family: system-ui, sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; border-radius: 999px; padding: 2px 9px; }
.free { background: var(--ok-bg); color: var(--ok-ink); } .paid { background: var(--warn-bg); color: var(--warn); }
.fld { margin: 6px 0; }
.lab { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 3px; }
.inp { width: 100%; font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; }
.inp.text { font-size: 0.95rem; line-height: 1.5; resize: vertical; min-height: 200px; }
.inp:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0 4px; }
.note { background: var(--info-bg); border-left: 3px solid var(--kraft); padding: 8px 10px; border-radius: 6px; font-size: 0.9rem; }
.switch { display: inline-flex; gap: 4px; margin-right: 6px; }

.drawing { width: 100%; border-radius: 10px; overflow: hidden; }
.drawing svg { width: 100%; height: auto; display: block; }
.legend { display: flex; gap: 6px 14px; flex-wrap: wrap; align-items: center; margin: 8px 4px 2px; }
.legend .li { display: inline-flex; align-items: center; gap: 4px; }
.lg { display: inline-block; flex-shrink: 0; width: 13px; height: 13px; border-radius: 50%; vertical-align: -2px; margin-right: 3px; }
.lg-knot { background: #5a3b22; } html[data-theme="dark"] .lg-knot { background: #f0c99a; }
.lg-tangle { border: 2px solid var(--v-slow); background: transparent; } .lg-pic { border-radius: 2px; border: 2px solid var(--v-pic); } .lg-bead { background: var(--v-read); }

.numbers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 0 0 8px; }
.num { border: 1px solid var(--line); border-radius: 10px; padding: 7px 9px; background: var(--field); }
.num b { display: block; font-family: Rockwell, "Roboto Slab", Georgia, serif; font-size: 1.35rem; line-height: 1.1; }
.num span { font-size: 0.76rem; color: var(--muted); }
.vline { grid-column: 1 / -1; font-size: 0.92rem; margin: 2px 0; }
.vtag { display: inline-block; font-size: 0.78rem; font-weight: 700; border-radius: 999px; padding: 2px 10px; color: var(--v-ink); white-space: nowrap; letter-spacing: 0.02em; }
.v-send-a-picture { background: var(--v-pic); } .v-two-calls { background: var(--v-two); } .v-slow-it-down { background: var(--v-slow); } .v-read-it-out { background: var(--v-read); }
.steptable { list-style: none; padding: 0; margin: 6px 0; max-height: 520px; overflow: auto; }
.srow { display: grid; grid-template-columns: 2em minmax(0, 1fr) auto; gap: 4px 8px; padding: 7px 4px; border-bottom: 1px dashed var(--line); }
.srow .sn { font-family: Rockwell, "Roboto Slab", Georgia, serif; font-weight: 700; }
.srow .st { overflow-wrap: anywhere; }
.srow .ss { font-size: 0.78rem; color: var(--muted); white-space: nowrap; }
.srow .sf { grid-column: 2 / -1; display: flex; gap: 4px; flex-wrap: wrap; }
.flag { font-size: 0.74rem; border-radius: 999px; padding: 1px 8px; border: 1px solid var(--warn); color: var(--warn); background: var(--warn-bg); overflow-wrap: anywhere; }
.flag.f-points { border-color: var(--v-pic); color: var(--v-pic); background: transparent; }
.flag.f-ok { border-color: var(--line); color: var(--muted); background: transparent; }
.srow.brk { border-bottom: 2px dashed var(--v-two); }

.progress { border: 1px dashed var(--kraft); border-radius: 10px; padding: 10px 12px; margin: 10px 0; }
.stages { list-style: none; padding: 0; margin: 6px 0; }
.stage { color: var(--muted); } .stage.done { color: var(--ok-ink); } .stage.active { color: var(--ink); font-weight: 600; }
.stage-ic { display: inline-block; width: 1em; font-family: monospace; }
.raw { white-space: pre-wrap; background: var(--paper); padding: 10px; border-radius: 8px; font-size: 0.82rem; max-height: 320px; overflow: auto; }

.result { margin-top: 12px; border-top: 3px dashed var(--kraft); padding-top: 10px; }
.result.empty #rReconH, .result.empty .recon, .result.empty .parts { display: none; }
.rhead { display: flex; justify-content: space-between; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; border: 1px solid var(--line); border-radius: 999px; padding: 2px 11px; color: var(--muted); }
.badge.on { border-color: transparent; color: var(--v-ink); }
.rnotes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 10px 0; }
.rnote { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--field); }
.rnote.wide { grid-column: span 2; }
.rnote dt, .rnote .rt { font-weight: 700; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin: 0; }
.rnote p { margin: 4px 0 0; }
.rnote .who { font-weight: 400; text-transform: none; letter-spacing: 0; }
.rnote .copy1 { margin-top: 6px; }
.parts { list-style: none; padding: 0; margin: 6px 0 10px; counter-reset: part; }
.part { display: grid; grid-template-columns: 2.4em minmax(0, 1fr); gap: 2px 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.part .pn { grid-row: span 2; width: 2.1em; height: 2.1em; border-radius: 50%; display: grid; place-items: center; background: var(--v-read); color: var(--v-ink); font-weight: 700; font-size: 0.9rem; }
.part .say { font-size: 1.05rem; margin: 0; }
.part .chk { margin: 2px 0 0; color: var(--accent); font-weight: 600; }
.part .chk::before { content: "Wait for: "; color: var(--muted); font-weight: 400; }
.part .from { font-size: 0.75rem; color: var(--muted); margin-left: 6px; font-weight: 400; }
.brkrow { list-style: none; padding: 8px 12px; margin: 4px 0; border-radius: 8px; background: var(--info-bg); border-left: 4px solid var(--v-two); }
.recon { padding-left: 18px; font-size: 0.9rem; }
.recon li.bad { color: var(--warn); font-weight: 600; } .recon li.warn { color: var(--warn); } .recon li.none { color: var(--muted); list-style: none; margin-left: -18px; }

.callpanel { border: 3px solid var(--ink); }
.callhead { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.callhead #callClose { margin-left: auto; }
.callsay { font-size: 1.7rem; line-height: 1.3; margin: 16px 0 8px; min-height: 3.2em; }
.callcheck { font-size: 1.25rem; color: var(--accent); font-weight: 600; margin: 6px 0 12px; }
.callnav .btn { min-width: 8em; }

.saved { list-style: none; padding: 0; margin: 8px 0; }
.hrow { display: flex; gap: 10px; justify-content: space-between; align-items: center; border-bottom: 1px dashed var(--line); padding: 8px 0; }
.hrow.none { color: var(--muted); font-style: italic; }
.hinfo { display: flex; flex-direction: column; min-width: 0; } .hinfo b { overflow-wrap: anywhere; }
.hbtns { display: flex; gap: 6px; flex-shrink: 0; }
.about p { max-width: 900px; }
.foot { max-width: 1180px; margin: 0 auto; padding: 8px 16px 40px; font-size: 0.85rem; color: var(--muted); }
.toasts { position: fixed; right: 14px; bottom: 14px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: min(380px, calc(100vw - 28px)); }
.toast { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--kraft); border-radius: 8px; padding: 8px 12px; font-size: 0.9rem; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15); transition: opacity 0.5s; }
.toast.err { border-left-color: var(--warn); } .toast.gone { opacity: 0; }

@media (max-width: 960px) {
  .bench { grid-template-columns: 1fr; gap: 0; }
  .bench .card { margin: 16px 0 0; }
  .rnotes { grid-template-columns: 1fr; } .rnote.wide { grid-column: auto; }
  h1 { font-size: 2.2rem; }
}
@media (max-width: 600px) {
  .grid3 { grid-template-columns: 1fr; gap: 0; }
  .numbers { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
  .num b { font-size: 1.15rem; }
  .callsay { font-size: 1.35rem; }
}
@media (max-width: 420px) {
  .top { padding: 8px 12px; gap: 8px; }
  .back-t { display: none; }
  .brand { font-size: 1rem; }
  .btn { padding: 5px 11px; }
  .card { padding: 14px 12px; }
  h1 { font-size: 1.9rem; }
}
@media print {
  .top, .samples, .actions, .exports, #runBtn, .toasts, .foot, .hero .lede, .callpanel, .about { display: none !important; }
  .card { box-shadow: none; break-inside: avoid; }
  .bench { grid-template-columns: 1fr; }
  .part .say { font-size: 1.2rem; }
}