:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --panel-2: #f0ede5;
  --ink: #1b1a17;
  --ink-2: #57534a;
  --ink-3: #7a7569;
  --line: #e2ddd0;
  --grid: #e8e4da;
  --accent: #2f6f5e;
  --accent-ink: #ffffff;
  --series-1: #2f6f5e;
  --series-2: #eb6834;
  --muted-bar: #b5dccf;
  --good: #1d7a3e;
  --bad: #b3261e;
  --warn: #8a5a00;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 18px rgba(0,0,0,.04);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121418;
  --panel: #1b1e24;
  --panel-2: #23272f;
  --ink: #f2f0ea;
  --ink-2: #c3c0b6;
  --ink-3: #96938a;
  --line: #2e333c;
  --grid: #2a2e36;
  --accent: #6cc4a8;
  --accent-ink: #0b1220;
  --series-1: #4fae90;
  --series-2: #d95926;
  --muted-bar: #1f5446;
  --good: #6fcf8e;
  --bad: #ff8a80;
  --warn: #f0c060;
  --shadow: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121418; --panel: #1b1e24; --panel-2: #23272f; --ink: #f2f0ea; --ink-2: #c3c0b6; --ink-3: #96938a;
    --line: #2e333c; --grid: #2a2e36; --accent: #6cc4a8; --accent-ink: #0b1220; --series-1: #4fae90;
    --series-2: #d95926; --muted-bar: #1f5446; --good: #6fcf8e; --bad: #ff8a80; --warn: #f0c060; --shadow: none;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; background: var(--panel-2); padding: 1px 5px; border-radius: 5px; }
.hidden { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--ink-2); }
.small { font-size: .86rem; }

button { font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 8px 14px; min-height: 40px; }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.ghost { background: transparent; }
button.ghost:hover:not(:disabled) { background: var(--panel-2); }
button.primary:hover:not(:disabled) { filter: brightness(1.06); }
button.small { min-height: 32px; padding: 4px 10px; font-size: .88rem; }
button:focus-visible, input:focus-visible, select:focus-visible, .drop:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
input[type="text"], input[type="search"], select {
  font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; min-height: 40px; width: 100%;
}

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; }
.backlink { font-weight: 700; text-decoration: none; color: var(--ink); }
.freechip { font-size: .78rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: var(--panel-2); color: var(--good); border: 1px solid var(--line); }
.topactions { display: flex; align-items: center; gap: 8px; }
.who { font-size: .86rem; color: var(--ink-2); }
.glyphbtn { width: 40px; padding: 0; font-size: 1.1rem; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px 48px; }
.hero { padding: 28px 0 8px; }
.hero h1 { font-family: Georgia, "Iowan Old Style", serif; font-size: clamp(1.9rem, 4.5vw, 2.8rem); line-height: 1.12; margin: 0 0 10px; letter-spacing: -.01em; }
.lede { font-size: 1.08rem; color: var(--ink-2); max-width: 760px; margin: 0; }

.loader { margin: 18px 0 8px; }
.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; min-height: 168px; padding: 24px; border: 2px dashed var(--line); border-radius: var(--radius); background: var(--panel); cursor: pointer; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--panel-2); }
.drop-title { font-size: 1.15rem; font-weight: 600; }
.drop-sub { color: var(--ink-2); }
.loadrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.check { display: inline-flex; gap: 8px; align-items: center; color: var(--ink-2); font-size: .92rem; }
.check input { width: 18px; height: 18px; }
.hint { min-height: 1.4em; margin: 10px 0 0; font-size: .92rem; color: var(--ink-2); }
.hint.bad { color: var(--bad); }
.hint.good { color: var(--good); }
.hint.warn { color: var(--warn); }
.howto { margin-top: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 16px; }
.howto summary { cursor: pointer; font-weight: 600; }
.howto ol { padding-left: 20px; }
.privacy { color: var(--ink-2); font-size: .92rem; }

textarea { font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px; width: 100%; resize: vertical; }
textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin: 16px 0; }
.card h2, .card h3 { margin: 0 0 10px; }
h2 { font-size: 1.25rem; } h3 { font-size: 1.02rem; }
.btnrow, .runrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }
.linkbtn { background: none; border: 0; padding: 0; min-height: 0; color: var(--accent); text-decoration: underline; cursor: pointer; font: inherit; text-align: left; }
.ctl { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--ink-2); min-width: 0; }
.ctl > span { font-weight: 600; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; overflow-x: auto; }
.tab { border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: none; padding: 8px 12px; color: var(--ink-2); white-space: nowrap; }
.tab.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.colmap { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.note { color: var(--ink-2); font-size: .92rem; margin: 0 0 10px; }

.progress .prog-head { display: flex; justify-content: space-between; align-items: baseline; }
.elapsed { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.steps { list-style: none; padding: 0; margin: 8px 0 12px; display: grid; gap: 6px; }
.steps li { color: var(--ink-3); padding-left: 26px; position: relative; }
.steps li::before { content: ""; position: absolute; left: 4px; top: .45em; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--line); }
.steps li.on { color: var(--ink); font-weight: 600; }
.steps li.on::before { border-color: var(--accent); background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
.steps li.done { color: var(--ink-2); }
.steps li.done::before { border-color: var(--good); background: var(--good); }
.stepinfo { font-weight: 400; color: var(--ink-2); font-size: .88rem; margin-left: 6px; }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .steps li.on::before { animation: none; } }
.bar { height: 8px; border-radius: 99px; background: var(--panel-2); overflow: hidden; }
.fill { height: 100%; width: 0; background: var(--accent); transition: width .25s; }

.results { margin-top: 8px; }
.res-head h2 { font-family: Georgia, "Iowan Old Style", serif; font-size: 1.6rem; margin: 18px 0 2px; }
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 14px 0; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.t-big { font-size: 1.9rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.tile:first-child .t-big { color: var(--accent); }
.t-small { color: var(--ink-2); font-size: .9rem; }
.t-sub { color: var(--ink-3); font-size: .8rem; margin-top: 2px; }
.warnings { margin: 6px 0 0; padding-left: 18px; color: var(--warn); font-size: .9rem; }
.warnings:empty { display: none; }
.controls { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 14px 18px; align-items: end; }
.controls .checks { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.range input { width: 100%; accent-color: var(--accent); }
output { font-variant-numeric: tabular-nums; color: var(--accent); margin-left: 6px; }
.filterrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.filterrow input { max-width: 420px; }

.links { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; }
.link { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.link.off { opacity: .55; }
.lk-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.pick input { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }
.pg { font-weight: 600; overflow-wrap: anywhere; }
.pg.tgt { color: var(--accent); }
.arrow { color: var(--ink-3); }
.sim { font-variant-numeric: tabular-nums; font-size: .82rem; padding: 1px 8px; border-radius: 99px; background: var(--panel-2); border: 1px solid var(--line); margin-left: auto; }
.q { font-size: .76rem; font-weight: 600; padding: 1px 8px; border-radius: 99px; border: 1px solid currentColor; }
.q-strong { color: var(--good); } .q-fair { color: var(--warn); } .q-weak { color: var(--bad); } .q-linked { color: var(--ink-3); }
.sent { margin: 8px 0; line-height: 1.6; }
.sent mark { background: color-mix(in srgb, var(--accent) 22%, transparent); color: inherit; padding: 1px 3px; border-radius: 4px; box-shadow: inset 0 -2px 0 var(--accent); }
.weaknote { margin: 0 0 8px; font-size: .88rem; color: var(--ink-2); }
.lk-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; font-size: .88rem; }
.anc { display: flex; align-items: center; gap: 6px; }
.anc span { color: var(--ink-2); }
.anc select { width: auto; max-width: 260px; min-height: 34px; padding: 4px 8px; font-size: .88rem; }
.urls { color: var(--ink-3); overflow-wrap: anywhere; flex: 1 1 240px; }
.urls a { color: var(--ink-2); }
.empty { color: var(--ink-2); list-style: none; }

.pagegrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 14px; }
.plain { padding-left: 18px; margin: 0; display: grid; gap: 6px; }
.bars { display: grid; gap: 4px; }
.barrow { display: grid; grid-template-columns: minmax(0, 2fr) 3fr 32px; gap: 8px; align-items: center; font-size: .88rem; }
.bl { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bt { background: var(--panel-2); border-radius: 4px; height: 12px; overflow: hidden; }
.bf { display: block; height: 100%; background: var(--series-1); }
.bn { text-align: right; font-variant-numeric: tabular-nums; }

.savedlist { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.savedlist li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: center; border-top: 1px solid var(--line); padding-top: 10px; }
.savedlist .btnrow { margin-top: 0; }
.foot { max-width: 1120px; margin: 0 auto; padding: 18px 16px 40px; color: var(--ink-2); font-size: .88rem; border-top: 1px solid var(--line); }

@media (max-width: 860px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls { grid-template-columns: 1fr 1fr; }
  .controls .range { grid-column: 1 / -1; }
  .pagegrid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .colmap { grid-template-columns: 1fr; }
  .topbar { padding: 8px 12px; }
  .who { display: none; }
  .sim { margin-left: 0; }
  .runrow button { flex: 1 1 auto; }
  .t-big { font-size: 1.5rem; }
}

.faq details { border-top: 1px solid var(--line); padding: 10px 0; }
.faq details:first-of-type { border-top: 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: var(--ink-2); }