/* Perl Clinic - a code-review desk: slate ink on cool paper, a deep navy accent with an amber mark, findings tagged by
 * severity with a status word (error, warning, note) - colour only repeats it. Diffs in green and red, code in a mono well. */
:root {
  --bg: #f3f3f6; --grid: rgba(40, 40, 70, .045); --card: #ffffff; --ink: #1c1d26; --ink2: #3c3e4d; --muted: #666a7d; --line: #dcdce6; --soft: #f6f6fa; --code: #f2f2f7;
  --accent: #2f4f7a; --accent-ink: #ffffff; --accent-soft: #e5edf7; --blue: #8a5a00; --mark: #fff1cf;
  --fix: #b42318; --fix-bg: #fde8e6; --check: #8a5a00; --check-bg: #fdf3d6; --ok: #146c43; --ok-bg: #dff3e8; --info: #475467; --info-bg: #eef1f5; --link: #2b45c9;
  --add: #dcf2e3; --del: #fbe4e2;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 6px 18px rgba(16, 24, 40, .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: #111218; --grid: rgba(220, 220, 255, .035); --card: #1a1b23; --ink: #ececf2; --ink2: #c6c7d3; --muted: #9a9cad; --line: #31333f; --soft: #22232d; --code: #14151b;
  --accent: #8fb3e6; --accent-ink: #0d1a2b; --accent-soft: #1c2a3d; --blue: #f2c56b; --mark: #3d3214;
  --fix: #ff8f85; --fix-bg: #3d1c1a; --check: #f3c065; --check-bg: #362a10; --ok: #6fd39e; --ok-bg: #143023; --info: #a9b4c2; --info-bg: #1e2630; --link: #9fb0ff;
  --add: #15301f; --del: #3b1b1a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); font: 16px/1.5 var(--sans); background-color: var(--bg);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; }
a { color: var(--link); }
code { font-family: var(--mono); font-size: .88em; background: var(--soft); padding: 0 .25em; border-radius: 4px; overflow-wrap: anywhere; }
.hidden { display: none !important; }
.small { font-size: .875rem; } .muted { color: var(--muted); } .mono { font-family: var(--mono); }

.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: 26px; height: 26px; }
.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: 6px; background: var(--soft); border: 1px solid var(--line); }
.btn { font: 600 .9rem var(--sans); padding: 8px 15px; border-radius: 8px; 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(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.solid:hover:not(:disabled) { filter: brightness(1.06); color: var(--accent-ink); }
.btn.tiny { padding: 5px 11px; font-size: .82rem; min-height: 32px; } .btn.big { font-size: 1.05rem; padding: 12px 22px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.inp { width: 100%; font: 1rem var(--sans); padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
textarea.inp { font: .8rem/1.5 var(--mono); tab-size: 2; resize: vertical; white-space: pre; overflow-wrap: normal; overflow-x: auto; }
.inp:focus, .btn:focus-visible, .lane:focus-visible, .sample:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.lab { display: block; font-weight: 600; font-size: .88rem; margin: 12px 0 4px; }
.lab small { font-weight: 400; color: var(--muted); }

main { max-width: 1140px; margin: 0 auto; padding: 0 16px 40px; }
.hero { padding: 28px 0 6px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font: 700 .74rem var(--mono); color: var(--accent); margin: 0 0 6px; }
h1 { font: 800 2.5rem/1.05 var(--sans); margin: 0 0 10px; letter-spacing: -.02em; }
h1 .sub { display: block; font: 500 1.15rem/1.4 var(--sans); color: var(--muted); margin-top: 8px; letter-spacing: 0; }
.lede { max-width: 820px; 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 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.sample.on { background: var(--ink); color: var(--card); border-color: var(--ink); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); min-width: 0; }
.ch { margin: 0 0 8px; font-size: 1.18rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.no { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font: 800 .8rem var(--mono); }
.free, .paid { font: 700 .66rem var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 3px 8px; border-radius: 6px; }
.free { background: var(--ok-bg); color: var(--ok); } .paid { background: var(--accent-soft); color: var(--accent); }
.kh { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 18px 0 8px; }
.note { background: var(--check-bg); border-left: 3px solid var(--check); padding: 8px 12px; border-radius: 6px; font-size: .9rem; margin: 10px 0 0; }
.note.plain { background: var(--soft); border-left-color: var(--line); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 6px; align-items: center; }
.row2 { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 0 14px; }
.pair { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 0 14px; }
.pair .col, .row2 .col { min-width: 0; }
.drop { border: 2px dashed var(--line); border-radius: 10px; padding: 10px 14px; margin-top: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }
.drop.over { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }

/* the scan */
div.big { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 8px 0; }
.big div { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--soft); min-width: 0; }
.big span { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); } .big b { display: block; font: 800 1.25rem/1.25 var(--sans); overflow-wrap: anywhere; } .big small { display: block; font-size: .8rem; color: var(--ink2); overflow-wrap: anywhere; }
.big div.v-rework { border-color: var(--fix); background: var(--fix-bg); } .big div.v-refactor { border-color: var(--check); background: var(--check-bg); } .big div.v-ship { border-color: var(--ok); background: var(--ok-bg); }
.areas { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 6px 0 4px; }
.area { border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font-size: .86rem; min-width: 0; display: flex; justify-content: space-between; gap: 6px; align-items: center; }
.area b { font-weight: 600; }
.st { font: 700 .66rem var(--mono); text-transform: uppercase; letter-spacing: .06em; padding: 2px 6px; border-radius: 4px; white-space: nowrap; }
.st-modern { color: var(--ok); background: var(--ok-bg); } .st-legacy { color: var(--fix); background: var(--fix-bg); } .st-mixed { color: var(--check); background: var(--check-bg); } .st-none { color: var(--muted); background: var(--soft); }
.tag { font: 700 .66rem var(--mono); text-transform: uppercase; letter-spacing: .04em; padding: 2px 6px; border-radius: 4px; white-space: nowrap; display: inline-block; }
.t-error, .t-high { color: var(--fix); background: var(--fix-bg); } .t-warn, .t-medium { color: var(--check); background: var(--check-bg); } .t-info, .t-low { color: var(--info); background: var(--info-bg); } .t-ok { color: var(--ok); background: var(--ok-bg); }
.finds { list-style: none; padding: 0; margin: 0; }
.finds li { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: .9rem; align-items: baseline; }
.finds li:last-child { border-bottom: 0; } .finds li.none { display: block; }
.finds .fl { display: flex; flex-direction: column; gap: 3px; align-items: flex-start; }
.finds .fl small { font: .72rem var(--mono); color: var(--muted); }
.finds b { font-weight: 650; }
.finds .src { display: block; font: .76rem/1.45 var(--mono); background: var(--code); border-radius: 6px; padding: 3px 8px; margin: 4px 0; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink2); }
.finds .fx { display: block; font-size: .86rem; color: var(--ink2); }
.finds .sc { display: inline-block; font: .74rem var(--mono); color: var(--blue); margin-top: 3px; overflow-wrap: anywhere; }
.finds .nt { display: block; font-size: .8rem; color: var(--check); }

/* lanes and the run */
.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 6px 0 4px; }
.lane { text-align: left; border: 2px solid var(--line); border-radius: 10px; padding: 10px 14px; background: var(--card); color: var(--ink); cursor: pointer; font: inherit; }
.lane b { display: block; font-size: 1rem; } .lane span { display: block; font-size: .84rem; color: var(--muted); }
.lane small { font: 700 .68rem var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.lane.on { border-color: var(--accent); background: var(--accent-soft); }
.progress { background: var(--soft); border-radius: 10px; 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, .code { white-space: pre; background: var(--code); border: 1px solid var(--line); padding: 12px; border-radius: 8px; font: .78rem/1.5 var(--mono); max-height: 460px; overflow: auto; margin: 0; tab-size: 2; }
.raw { white-space: pre-wrap; overflow-wrap: anywhere; }
.diff { white-space: pre; background: var(--code); border: 1px solid var(--line); border-radius: 8px; font: .76rem/1.5 var(--mono); max-height: 520px; overflow: auto; padding: 8px 0; margin: 0; }
.diff span { display: block; padding: 0 12px; min-height: 1.5em; } .diff .d-add { background: var(--add); } .diff .d-del { background: var(--del); }
.diff .d-hunk { color: var(--blue); background: var(--soft); }
.result { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 12px; }
.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: 6px; border: 2px solid var(--line); color: var(--muted); }
.badge.v-ship { border-color: var(--ok); color: var(--ok); } .badge.v-refactor { border-color: var(--check); color: var(--check); } .badge.v-rework { border-color: var(--fix); color: var(--fix); } .badge.v-rewrite { border-color: var(--blue); color: var(--blue); }
.rnote { font-size: 1.02rem; font-weight: 600; } .result h3 { font-size: 1rem; margin: 18px 0 8px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.answers, .recon, .saved { list-style: none; padding: 0; margin: 0; }
.answers li { padding: 6px 0; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.answers li b { font-family: var(--mono); font-size: .88em; }
.answers ol { margin: 0; }
.recon li { padding: 6px 10px; margin: 4px 0; border-radius: 6px; font-size: .9rem; } .recon li.warn { background: var(--fix-bg); } .recon li.info { background: var(--check-bg); }
li.none { color: var(--muted); font-style: italic; background: transparent; }
.rf { border-left: 3px solid var(--line); padding: 6px 12px; margin: 10px 0; background: var(--soft); border-radius: 0 8px 8px 0; }
.rf.s-high { border-left-color: var(--fix); } .rf.s-medium { border-left-color: var(--check); } .rf.s-low { border-left-color: var(--info); }
.rf h4 { margin: 0 0 4px; font-size: .94rem; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; } .rf h4 small { font: .72rem var(--mono); color: var(--muted); font-weight: 400; }
.rf p { margin: 4px 0; font-size: .9rem; } .rf .code { max-height: 260px; margin-top: 6px; }
.file { margin: 12px 0; } .file .fh { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; } .file .fh b { font-family: var(--mono); font-size: .9rem; }
.handoff { background: var(--accent-soft); border-radius: 10px; padding: 10px 14px; margin-top: 14px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.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; }
.hfilter { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0; } .hfilter .on { border-color: var(--accent); background: var(--accent-soft); }
.about p, .about li { max-width: 840px; }
.foot { max-width: 1140px; 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: 8px; font-size: .9rem; box-shadow: var(--shadow); transition: opacity .5s; }
.toast.err { background: var(--fix); color: #fff; } .toast.gone { opacity: 0; } .toast a { color: inherit; font-weight: 700; }
@media (max-width: 900px) { div.big, .areas { grid-template-columns: 1fr 1fr; } .pair { grid-template-columns: 1fr; } }
@media (max-width: 620px) {
  h1 { font-size: 1.9rem; } .card { padding: 14px; } .back-t { display: none; }
  .lanes, .row2 { grid-template-columns: 1fr; }
  .finds li { grid-template-columns: 1fr; gap: 2px; } .finds .fl { flex-direction: row; gap: 8px; align-items: center; }
  .brand b { font-size: .98rem; }
}
@media print { .top, .samples, .actions, #formCard, .lanes, .about, .foot, .toasts, .handoff, #historyCard, #runBox { display: none !important; } body { background: #fff; } .card { box-shadow: none; border: 0; } .code, .diff { max-height: none; white-space: pre-wrap; } }
.foot .notaff { display: block; margin: 6px 0; }
.finds .lnk { font: 600 .78rem var(--mono); color: var(--accent); background: none; border: 0; padding: 4px 0; min-height: 24px; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }