/* Link a Day - construction-paper loops hung between two tacks, and the same links as strips to print and cut. */
:root {
  --bg: #f4efe4; --panel: #fffcf6; --ink: #1f1d2b; --muted: #5d5a68; --line: #ddd4c2; --soft: #ebe3d2;
  --accent: #7b2d43; --accent-ink: #ffffff; --focus: #2a6fb0; --tack: #3b3a48; --string: #8d8571;
  --k-quick: #5b7fa8; --k-standard: #6f9a5e; --k-big: #d8673f; --k-pinned: #8a5aa0; --k-rest: #b4ab9b;
  --th-a: #c23b3b; --th-b: #2f7d5b; --th-c: #d39a1d;
  --kq-bg: #e2eaf4; --kq-ink: #23476f; --ks-bg: #e3eedc; --ks-ink: #2c5221; --kb-bg: #fbe3d8; --kb-ink: #8a3112; --kp-bg: #eee2f3; --kp-ink: #5a2e6e; --kr-bg: #ebe7df; --kr-ink: #4a4538;
  --skip-bg: #fff1c9; --skip-ink: #6b4a00;
  --warn-bg: #fbe8e6; --warn-ink: #7f1f1f; --info-bg: #e7eef6; --info-ink: #1e4467; --note-bg: #fff1c9; --note-ink: #5f4300;
  --roomy: #2f7d5b; --snug: #a3620f; --packed: #a32d3a;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #16151d; --panel: #201e2a; --ink: #ecebf2; --muted: #aeabbb; --line: #383547; --soft: #262433;
  --accent: #e88aa1; --accent-ink: #1b1220; --focus: #8cc4ff; --tack: #d6d3e2; --string: #8a8597;
  --k-quick: #86a9d4; --k-standard: #95c283; --k-big: #f08d66; --k-pinned: #b98bd0; --k-rest: #8f887b;
  --th-a: #f07272; --th-b: #5fc496; --th-c: #f2c053;
  --kq-bg: #1d3552; --kq-ink: #cfe2f8; --ks-bg: #20391b; --ks-ink: #cdeabf; --kb-bg: #4a2213; --kb-ink: #ffd0bb; --kp-bg: #3a2347; --kp-ink: #ecd3f8; --kr-bg: #34312a; --kr-ink: #ded8cb;
  --skip-bg: #463610; --skip-ink: #ffe3a1;
  --warn-bg: #4a1d1d; --warn-ink: #ffd2d2; --info-bg: #182f47; --info-ink: #cfe3f7; --note-bg: #463610; --note-ink: #ffe3a1;
  --roomy: #6fd3a4; --snug: #f2b45e; --packed: #ff9aa6;
  color-scheme: dark;
}
* { 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;
  background-image: radial-gradient(var(--soft) 1.2px, transparent 1.3px); background-size: 22px 22px; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.hidden { display: none !important; }
.small { font-size: .9rem; } .muted { color: var(--muted); } .mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.note { background: var(--note-bg); color: var(--note-ink); padding: .4rem .6rem; border-radius: 6px; }

.bar { display: flex; align-items: center; gap: .75rem; padding: .6rem 16px; background: var(--panel); border-bottom: 2px dashed var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.back { text-decoration: none; font-size: .9rem; white-space: nowrap; }
.brand { display: flex; align-items: center; gap: .45rem; font-size: 1.05rem; flex: 1 0 auto; min-width: max-content; white-space: nowrap; }
.logo { width: 30px; height: 30px; flex: none; fill: none; stroke-width: 3; }
.logo .lg-ring { stroke: var(--th-a); } .logo .lg-band { fill: var(--th-b); stroke: none; } .logo .lg-ring2 { stroke: var(--th-c); }
.session { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: .3rem; border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: .35rem .85rem; cursor: pointer; text-decoration: none; color: var(--ink); min-height: 36px; }
.pill:hover { border-color: var(--accent); }
.pill.solid { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.pill.ghost { cursor: default; background: transparent; }
.pill.tiny { padding: .15rem .6rem; min-height: 30px; font-size: .85rem; }
.pill.big { padding: .6rem 1.3rem; font-weight: 600; font-size: 1.02rem; }
.pill:disabled { opacity: .55; cursor: not-allowed; }

main { max-width: 1120px; margin: 0 auto; padding: 1rem 16px 2rem; }
.hero { padding: 1rem 0 .5rem; }
.kicker { font-size: .88rem; color: var(--muted); margin: 0 0 .3rem; }
h1 { font-family: "Trebuchet MS", "Avenir Next", system-ui, sans-serif; font-size: clamp(1.6rem, 4.4vw, 2.5rem); line-height: 1.15; margin: 0 0 .5rem; text-wrap: balance; overflow-wrap: anywhere; }
h2, h3 { overflow-wrap: anywhere; }
.lede { max-width: 64ch; margin: 0 0 .8rem; }
.samples { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.chip { border: 1px dashed var(--line); background: var(--panel); border-radius: 8px; padding: .3rem .8rem; cursor: pointer; min-height: 36px; text-align: left; }
.chip.on { border-style: solid; border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; margin: 1rem 0; box-shadow: 0 2px 0 var(--soft); }
.ph { font-size: 1.2rem; margin: 0 0 .5rem; display: flex; align-items: center; gap: .5rem; }
.step-no { display: inline-grid; place-items: center; width: 1.8rem; height: 1.3rem; border-radius: 50%; border: 3px solid var(--accent); color: var(--accent); font-size: .8rem; font-weight: 700; flex: none; }
.lbl { display: block; font-weight: 600; font-size: .9rem; margin: .6rem 0 .25rem; }
input[type=text], input[type=number], select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: .45rem .6rem; background: var(--bg); min-height: 40px; }
textarea { resize: vertical; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.three { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 1rem; }
.wdays { border: 0; margin: 0; padding: 0; min-width: 0; }
.wdays label { display: inline-flex; align-items: center; gap: .25rem; margin: 0 .55rem .3rem 0; font-size: .95rem; min-height: 32px; }
.wdays input { width: 18px; height: 18px; }

/* the verdict and the tally */
.verdict-row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin: .2rem 0 .5rem; }
.badge { display: inline-block; font-weight: 700; padding: .2rem .7rem; border-radius: 6px; border: 2px solid currentColor; letter-spacing: .02em; }
.badge.v-roomy { color: var(--roomy); } .badge.v-snug { color: var(--snug); } .badge.v-packed { color: var(--packed); } .badge.v-none { color: var(--muted); }
.tally { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0 0 .6rem; }
.count { font-size: .85rem; padding: .15rem .55rem; border-radius: 6px; }
.count b { font-size: .95rem; }
.count.light { background: var(--soft); color: var(--ink); }
.kind { display: inline-block; font-size: .78rem; font-weight: 600; padding: .05rem .45rem; border-radius: 5px; white-space: nowrap; }
.kind-quick { background: var(--kq-bg); color: var(--kq-ink); } .kind-standard { background: var(--ks-bg); color: var(--ks-ink); }
.kind-big { background: var(--kb-bg); color: var(--kb-ink); } .kind-pinned { background: var(--kp-bg); color: var(--kp-ink); }
.kind-rest { background: var(--kr-bg); color: var(--kr-ink); } .kind-skip { background: var(--skip-bg); color: var(--skip-ink); }

/* the chain */
.chain-host { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .4rem .2rem; overflow: hidden; }
.chain-svg { display: block; width: 100%; max-width: 820px; height: auto; margin: 0 auto; }
.chain-string { stroke: var(--string); stroke-width: 1.5; fill: none; }
.chain-tack { fill: var(--tack); }
.loop { stroke-linejoin: round; }
.loop.ring { fill: none; stroke-width: 7; }
.loop.band { stroke: rgba(0, 0, 0, .18); stroke-width: 1; }
.loop-shine { fill: none; stroke: rgba(255, 255, 255, .35); stroke-width: 1.5; pointer-events: none; }
.loop.ring.k-quick { stroke: var(--k-quick); } .loop.band.k-quick { fill: var(--k-quick); }
.loop.ring.k-standard { stroke: var(--k-standard); } .loop.band.k-standard { fill: var(--k-standard); }
.loop.ring.k-big { stroke: var(--k-big); } .loop.band.k-big { fill: var(--k-big); }
.loop.ring.k-pinned { stroke: var(--k-pinned); } .loop.band.k-pinned { fill: var(--k-pinned); }
.loop.ring.k-rest { stroke: var(--k-rest); } .loop.band.k-rest { fill: var(--k-rest); }
.loop.ring.th-a { stroke: var(--th-a); } .loop.band.th-a { fill: var(--th-a); }
.loop.ring.th-b { stroke: var(--th-b); } .loop.band.th-b { fill: var(--th-b); }
.loop.ring.th-c { stroke: var(--th-c); } .loop.band.th-c { fill: var(--th-c); }
.loop.sel.ring { stroke-width: 10; } .loop.sel.band { stroke: var(--ink); stroke-width: 2; }
.loop.torn { opacity: .22; stroke-dasharray: 4 3; }
.loop-shine.torn { opacity: 0; }
.skip-ring { fill: none; stroke: var(--snug); stroke-width: 1.5; stroke-dasharray: 2 3; }
.loop-num { font-size: 13px; font-weight: 700; fill: var(--muted); dominant-baseline: middle; }
.loop-num.sel { fill: var(--ink); font-size: 14px; } .loop-num.torn { text-decoration: line-through; }
.loop-hit { fill: transparent; cursor: pointer; }
.loop-hit:focus-visible { outline: none; stroke: var(--focus); stroke-width: 2; }
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: .3rem 1rem; padding: 0; margin: .5rem 0; }
.legend li { display: inline-flex; align-items: center; gap: .35rem; }
.sw { display: inline-block; width: 22px; height: 12px; border-radius: 6px; border: 4px solid; }
.sw.k-quick { border-color: var(--k-quick); } .sw.k-standard { border-color: var(--k-standard); } .sw.k-big { border-color: var(--k-big); }
.sw.k-pinned { border-color: var(--k-pinned); } .sw.k-rest { border-color: var(--k-rest); }
.sw.th-a { border-color: var(--th-a); } .sw.th-b { border-color: var(--th-b); } .sw.th-c { border-color: var(--th-c); }

/* the selected loop, opened up */
.detail { border: 2px solid var(--line); border-left-width: 10px; border-radius: 8px; padding: .7rem .9rem; margin: .6rem 0; background: var(--panel); }
.detail.k-quick { border-left-color: var(--k-quick); } .detail.k-standard { border-left-color: var(--k-standard); } .detail.k-big { border-left-color: var(--k-big); }
.detail.k-pinned { border-left-color: var(--k-pinned); } .detail.k-rest { border-left-color: var(--k-rest); }
.detail.th-a { border-left-color: var(--th-a); } .detail.th-b { border-left-color: var(--th-b); } .detail.th-c { border-left-color: var(--th-c); }
.d-top { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin: 0; }
.d-day { font-weight: 800; font-size: 1.4rem; line-height: 1; }
.detail h3 { margin: .3rem 0 .2rem; font-size: 1.15rem; }
.detail p { margin: .2rem 0; }
.cardrow { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .5rem; }

/* the strips */
.strips { list-style: none; padding: 0; margin: .6rem 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: .45rem; }
.strip { border-radius: 6px; border: 1px solid var(--line); border-top: 7px solid var(--k-rest); background: var(--panel); }
.strip.k-quick { border-top-color: var(--k-quick); } .strip.k-standard { border-top-color: var(--k-standard); } .strip.k-big { border-top-color: var(--k-big); }
.strip.k-pinned { border-top-color: var(--k-pinned); } .strip.th-a { border-top-color: var(--th-a); } .strip.th-b { border-top-color: var(--th-b); } .strip.th-c { border-top-color: var(--th-c); }
.strip.sel { box-shadow: 0 0 0 2px var(--accent); }
.strip.torn { opacity: .55; }
.strip.torn .strip-title { text-decoration: line-through; }
.strip-btn { display: grid; gap: .1rem; width: 100%; text-align: left; background: none; border: 0; padding: .45rem .6rem; cursor: pointer; }
.strip-head { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.strip-day { font-size: 1.05rem; } .strip-date { font-size: .82rem; color: var(--muted); }
.strip-title { font-weight: 700; } .strip-do { font-size: .9rem; } .strip-meta { font-size: .8rem; color: var(--muted); }
.exports { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }

/* run, progress, result */
.runrow { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-top: .4rem; }
.gate { background: var(--info-bg); color: var(--info-ink); padding: .5rem .7rem; border-radius: 8px; }
.steps { list-style: none; padding: 0; margin: .3rem 0; }
.step { padding: .15rem 0; color: var(--muted); } .step.active { color: var(--ink); font-weight: 600; } .step.done { color: var(--roomy); }
.step-ic { display: inline-block; width: 1.2rem; font-family: ui-monospace, Menlo, monospace; }
.raw { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 360px; overflow: auto; background: var(--bg); padding: .6rem; border-radius: 8px; }
.res-head { display: flex; gap: .7rem; align-items: center; flex-wrap: wrap; }
.res-head h2 { margin: 0; font-size: 1.35rem; }
.summary { font-size: 1.02rem; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.4rem; }
.cols h3, .result > h3 { font-size: 1rem; margin: .9rem 0 .3rem; }
.threads, .plain, .recon, .saved { list-style: none; padding: 0; margin: 0; }
.threads li { display: flex; gap: .5rem; align-items: flex-start; padding: .25rem 0; }
.threads .sw { margin-top: .35rem; flex: none; }
.plain li { padding: .2rem 0; border-bottom: 1px dotted var(--line); }
.recon li { padding: .35rem .6rem; border-radius: 6px; margin: .25rem 0; font-size: .9rem; }
.recon li.warn { background: var(--warn-bg); color: var(--warn-ink); } .recon li.info { background: var(--info-bg); color: var(--info-ink); }
.recon li.none, .plain li.none, .threads li.none, .saved li.none { background: none; color: var(--muted); border: 0; }
.saved .hrow { display: flex; gap: .6rem; align-items: center; padding: .45rem 0; border-bottom: 1px dotted var(--line); }
.hinfo { flex: 1; min-width: 0; display: grid; } .hinfo b { overflow-wrap: anywhere; }
.hbtns { display: flex; gap: .3rem; flex: none; }
.mini { width: 40px; height: 24px; flex: none; }
.mini-ring { fill: none; stroke-width: 3; stroke: var(--muted); } .mini-band { fill: var(--muted); }
.mini.v-roomy .mini-ring { stroke: var(--roomy); } .mini.v-roomy .mini-band { fill: var(--roomy); }
.mini.v-snug .mini-ring { stroke: var(--snug); } .mini.v-snug .mini-band { fill: var(--snug); }
.mini.v-packed .mini-ring { stroke: var(--packed); } .mini.v-packed .mini-band { fill: var(--packed); }
.foot { max-width: 1120px; margin: 0 auto; padding: 0 16px 2rem; font-size: .9rem; color: var(--muted); }
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: .4rem; z-index: 20; max-width: min(420px, calc(100vw - 32px)); }
.toast { background: var(--ink); color: var(--panel); padding: .55rem .8rem; border-radius: 8px; font-size: .92rem; transition: opacity .5s; }
.toast.err { background: var(--warn-bg); color: var(--warn-ink); border: 1px solid var(--warn-ink); }
.toast a { color: inherit; font-weight: 700; }
.toast.gone { opacity: 0; }

@media (max-width: 720px) {
  .two, .cols { grid-template-columns: 1fr; }
  .three { gap: 0 .5rem; }
  .three .lbl { font-size: .82rem; }
  .panel { padding: .9rem .8rem; }
  .strips { grid-template-columns: 1fr; }
  .bar { gap: .5rem; }
  .back { font-size: .82rem; }
  .session .pill { padding: .3rem .65rem; }
}

/* Print: only the strips, as cut lines - each strip is one loop of the chain. */
@media print {
  body { background: #fff; color: #000; }
  .bar, .hero, .panel > *:not(.strips), .panel:not(.chainbox), .foot, .toasts { display: none !important; }
  .chainbox { border: 0; box-shadow: none; padding: 0; margin: 0; }
  .strips { display: block; }
  .strip { break-inside: avoid; border: 1px dashed #000; border-top: 8px solid #999; margin: 0 0 4mm; border-radius: 0; opacity: 1 !important; }
  .strip-btn { padding: 3mm 4mm; } .strip-meta, .strip-date { color: #333; }
  .kind { background: none !important; color: #000 !important; border: 1px solid #000; }
}