/* Worth a Reply - slate surfaces, post cards, and a diverging weight chart (blue counts, red costs; validated pairs
 * #2f6fd6/#d2462b on light, #5a8ae6/#e6654a on dark). */
:root {
  --bg: #f2f4f7; --card: #ffffff; --ink: #0f1419; --ink2: #3b4651; --muted: #5b6672; --line: #d9dee4; --soft: #f6f8fa; --track: #eceff3;
  --pos: #2f6fd6; --neg: #d2462b; --accent: #2f6fd6; --accent-ink: #ffffff; --ok: #1f7a46; --warn-bg: #fdecea; --info-bg: #fff4dc; --ok-bg: #e7f4ec;
  --shadow: 0 1px 2px rgba(15, 20, 25, .06), 0 8px 24px rgba(15, 20, 25, .05);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
[data-theme="dark"] {
  --bg: #0d1117; --card: #161b22; --ink: #e7e9ea; --ink2: #c4cbd3; --muted: #8b98a5; --line: #2b333d; --soft: #1c232c; --track: #222a33;
  --pos: #5a8ae6; --neg: #e6654a; --accent: #5a8ae6; --accent-ink: #0d1117; --ok: #5fcf8e; --warn-bg: #3a1d19; --info-bg: #33290f; --ok-bg: #15301f;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5);
}
* { 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); }
code { font-family: var(--mono); font-size: .9em; background: var(--soft); padding: 0 .25em; border-radius: 4px; }
.hidden { display: none !important; }
.small { font-size: .875rem; } .muted { color: var(--muted); }

.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.back { text-decoration: none; color: var(--muted); font-size: .9rem; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; }
.logo { width: 24px; height: 24px; }
.session { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip-s { font: 600 .8rem var(--mono); padding: 4px 9px; border-radius: 999px; background: var(--soft); border: 1px solid var(--line); }

.btn { font: 700 .9rem var(--sans); padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block; min-height: 38px; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn.solid { background: var(--ink); color: var(--card); border-color: var(--ink); }
.btn.solid:hover:not(:disabled) { opacity: .88; color: var(--card); }
.btn.tiny { padding: 5px 12px; font-size: .82rem; min-height: 32px; }
.btn.big { font-size: 1.05rem; padding: 12px 24px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.inp { width: 100%; font: 1rem var(--sans); padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
textarea.inp { font-size: 1.08rem; line-height: 1.45; resize: vertical; }
.inp:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.lab { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 4px; }
.count { margin: 4px 0 0; text-align: right; font: 700 .85rem var(--mono); color: var(--muted); }
.count.near { color: #b07400; } .count.over { color: var(--neg); }

main { max-width: 1100px; margin: 0 auto; padding: 0 16px 40px; }
.hero { padding: 28px 0 8px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font: 700 .74rem var(--mono); color: var(--accent); margin: 0 0 6px; }
h1 { font-size: 2.4rem; line-height: 1.08; margin: 0 0 10px; letter-spacing: -.025em; }
h1 .sub { display: block; font-size: 1.15rem; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-top: 8px; }
.lede { max-width: 780px; color: var(--ink2); }
.samples { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 10px; }
.sample { font: 600 .85rem var(--sans); padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.sample.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); min-width: 0; }
.grid .card { margin: 16px 0 0; }
.ch { margin: 0 0 8px; font-size: 1.15rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.no { width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: var(--card); display: inline-flex; align-items: center; justify-content: center; font: 700 .8rem var(--mono); }
.free, .paid { font: 700 .66rem var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 3px 8px; border-radius: 999px; }
.free { background: var(--ok-bg); color: var(--ok); } .paid { background: var(--info-bg); color: #9a6200; }
[data-theme="dark"] .paid { color: #f2b45a; }
.note { background: var(--info-bg); border-left: 3px solid #c98a00; padding: 8px 12px; border-radius: 8px; font-size: .9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 6px; align-items: center; }
.empty-note { color: var(--muted); font-style: italic; }

/* post cards */
.pc-stack { display: flex; flex-direction: column; gap: 10px; }
.pc-stack.thread .pc { position: relative; }
.pc-stack.thread .pc + .pc::before { content: ""; position: absolute; left: 33px; top: -11px; height: 12px; border-left: 2px solid var(--line); }
.pc { border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; background: var(--card); min-width: 0; }
.pc-rw { border-color: var(--accent); }
.pc-kicker { margin: 0 0 6px; font: 700 .78rem var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .05em; }
.pc-head { display: flex; align-items: center; gap: 10px; }
.pc-av { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #2f6fd6, #7a5af0); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; flex: none; }
.pc-who { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.pc-who span { color: var(--muted); font-size: .88rem; }
.pc-ring { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; font: .78rem var(--mono); color: var(--muted); white-space: nowrap; }
.pc-ring svg { width: 22px; height: 22px; }
.pc-ring .rt { fill: none; stroke: var(--track); stroke-width: 3; }
.pc-ring .rf { fill: none; stroke: var(--pos); stroke-width: 3; stroke-linecap: round; }
.pc-ring.near .rf { stroke: #c98a00; } .pc-ring.over .rf { stroke: var(--neg); } .pc-ring.over b { color: var(--neg); }
.pc-ring b { color: var(--ink); }
.pc-text { margin: 8px 0 0 50px; font-size: 1.02rem; overflow-wrap: anywhere; }
.pc-link, .pc-at, .pc-tag { color: var(--accent); }
.pc-finds { list-style: none; margin: 8px 0 0 50px; padding: 0; font-size: .84rem; }
.pc-finds li { padding: 4px 8px; margin: 3px 0; border-radius: 8px; }
.pc-finds li.fix { background: var(--warn-bg); } .pc-finds li.check { background: var(--info-bg); }
.pc-change { margin: 8px 0 0 50px; font-size: .86rem; color: var(--muted); }
.pc-acts { display: flex; gap: 6px; margin: 8px 0 0 50px; flex-wrap: wrap; }

/* the weight chart: a table of rows, a diverging bar around one zero line */
.wc { display: flex; flex-direction: column; }
.wc-row { display: grid; grid-template-columns: minmax(150px, 1.3fr) minmax(140px, 2fr) 64px 104px; gap: 10px; align-items: center; padding: 7px 4px; border-bottom: 1px solid var(--line); }
.wc-row:hover { background: var(--soft); }
.wc-headrow { font: 700 .72rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); border-bottom: 1px solid var(--ink2); }
.wc-headrow:hover { background: transparent; }
.wc-axis { display: flex; justify-content: space-between; } .wc-axis i { font-style: normal; }
.wc-lab { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.wc-lab small { color: var(--muted); font-size: .76rem; }
.wc-track { display: flex; height: 14px; }
.wc-half { flex: 1; display: flex; position: relative; }
.wc-half.l { justify-content: flex-end; border-right: 1px solid var(--muted); }
.wc-bar { display: block; height: 100%; }
.wc-bar.pos { background: var(--pos); border-radius: 0 4px 4px 0; margin-left: 2px; }
.wc-bar.neg { background: var(--neg); border-radius: 4px 0 0 4px; margin-right: 2px; }
.wc-val { font: 700 .86rem var(--mono); text-align: right; color: var(--ink); }
.chip { font: 700 .74rem var(--mono); padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line); white-space: nowrap; color: var(--ink2); }
.chip.invites { border-color: var(--pos); color: var(--ink); } .chip.risks { border-color: var(--neg); color: var(--ink); border-width: 2px; } .chip.none { border-style: dashed; color: var(--muted); }
.wc-foot { font-size: .8rem; color: var(--muted); margin: 10px 0 0; }

/* run */
.progress { background: var(--soft); border-radius: 12px; padding: 12px 14px; margin: 10px 0; }
.steps { list-style: none; padding: 0; margin: 8px 0; }
.step { padding: 2px 0; color: var(--muted); font-size: .9rem; } .step.done { color: var(--ok); } .step.active { color: var(--ink); font-weight: 700; }
.step-ic { font-family: var(--mono); display: inline-block; width: 1em; }
.raw { white-space: pre-wrap; background: var(--soft); padding: 10px; border-radius: 8px; font: .8rem var(--mono); max-height: 320px; overflow: auto; }
.result { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 12px; }
.result.empty h3 { display: none; }
.rhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge { font: 700 .78rem var(--mono); letter-spacing: .06em; padding: 5px 11px; border-radius: 999px; border: 2px solid var(--line); color: var(--muted); }
.badge.v-ready { border-color: var(--ok); color: var(--ok); } .badge.v-rework { border-color: #c98a00; color: #9a6200; } .badge.v-risky { border-color: var(--neg); color: var(--neg); }
[data-theme="dark"] .badge.v-rework { color: #f2b45a; }
.rnote { font-size: 1.05rem; font-weight: 600; }
.result h3 { font-size: 1rem; margin: 18px 0 8px; }
.plan { background: var(--soft); border-radius: 12px; padding: 10px 14px; margin: 0; }
.recon, .saved { list-style: none; padding: 0; margin: 0; }
.recon li { padding: 6px 10px; margin: 4px 0; border-radius: 8px; font-size: .9rem; }
.recon li.warn { background: var(--warn-bg); } .recon li.info { background: var(--info-bg); }
li.none { color: var(--muted); font-style: italic; background: transparent; }

.hrow { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.hinfo { display: flex; flex-direction: column; min-width: 0; flex: 1; } .hbtns { display: flex; gap: 6px; align-items: center; }
.about p { max-width: 820px; }
.foot { max-width: 1100px; margin: 0 auto; padding: 12px 16px 40px; color: var(--muted); font-size: .85rem; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: calc(100vw - 32px); }
.toast { background: var(--ink); color: var(--card); padding: 10px 14px; border-radius: 12px; font-size: .9rem; box-shadow: var(--shadow); transition: opacity .5s; }
.toast.err { background: var(--neg); color: #fff; } .toast.gone { opacity: 0; } .toast a { color: inherit; font-weight: 700; }

@media (max-width: 820px) {
  .grid { grid-template-columns: 1fr; gap: 0; }
  h1 { font-size: 1.85rem; }
  .card { padding: 14px; }
  .back-t { display: none; }
  .wc-row { grid-template-columns: 1fr 64px; grid-template-areas: "lab val" "track track" "pull pull"; gap: 4px 8px; }
  .wc-lab { grid-area: lab; } .wc-val { grid-area: val; } .wc-track { grid-area: track; } .wc-pull { grid-area: pull; }
  .wc-headrow { display: none; }
  .pc-text, .pc-finds, .pc-change, .pc-acts { margin-left: 0; }
}
@media print { .top, .samples, .actions, #formCard, .about, .foot, .toasts, .pc-acts { display: none !important; } body { background: #fff; } .card { box-shadow: none; border: 0; } }