:root {
  --bg: #e9edf1; --card: #ffffff; --panel: #f3f5f8; --ink: #1c232b; --muted: #55606c; --line: #cfd6de; --field: #ffffff;
  --accent: #b4232b; --accent-btn: #b4232b; --accent-ink: #ffffff; --blue: #1d4ed8; --tray: #aab4bf;
  --ok: #1e6a3a; --ok-bg: #e1f2e7; --bad: #9b1f2c; --bad-bg: #f8e1e3; --info-bg: #eef1f5; --warn: #7d4a0b; --warn-bg: #fbf0dc;
  --shadow: 0 1px 2px rgba(20, 30, 40, 0.06), 0 10px 24px rgba(20, 30, 40, 0.08);
}
html[data-theme="dark"] {
  --bg: #12171c; --card: #1b2229; --panel: #232b33; --ink: #e8edf2; --muted: #a9b4bf; --line: #34404b; --field: #151b21;
  --accent: #ff8f8f; --accent-btn: #ff8f8f; --accent-ink: #2a0d10; --blue: #9db8ff; --tray: #4a5663;
  --ok: #95dcac; --ok-bg: #18301f; --bad: #ffabb4; --bad-bg: #3b1d24; --info-bg: #26303a; --warn: #f2c58e; --warn-bg: #372a19;
  --shadow: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; }
a { color: var(--accent); }
h1, h2, h3, h4 { font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif; }
.hidden { display: none !important; }
.small { font-size: 0.88rem; } .muted { color: var(--muted); }

.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; border-bottom: 3px solid var(--tray); }
.back { text-decoration: none; color: var(--muted); font-size: 0.9rem; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; }
.logo { width: 26px; height: 26px; }
.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: 6px; padding: 4px 10px; }

.btn { font: inherit; font-size: 0.9rem; border: 2px solid var(--ink); color: var(--ink); background: var(--card); border-radius: 6px; padding: 6px 14px; cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.3; }
.btn:hover:not(:disabled) { background: var(--info-bg); color: var(--ink); }
.btn.solid { background: var(--accent-btn); border-color: var(--accent-btn); color: var(--accent-ink); }
.btn.solid:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent-btn); color: var(--accent-ink); }
.btn.big { font-size: 1.05rem; padding: 10px 24px; }
.btn.tiny { font-size: 0.8rem; padding: 4px 10px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

main { max-width: 920px; margin: 0 auto; padding: 8px 16px 24px; }
.hero { padding: 22px 0 8px; text-align: center; }
.eyebrow { margin: 0; color: var(--blue); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 600; }
h1 { font-size: clamp(2rem, 7vw, 3rem); margin: 4px 0 6px; line-height: 1.05; }
h1 .sub { display: block; font-size: clamp(1rem, 3.6vw, 1.25rem); font-weight: 500; color: var(--muted); margin-top: 6px; }
.lede { max-width: 640px; margin: 8px auto; }
.samples { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; align-items: center; margin-top: 10px; }
.sample { font: inherit; font-size: 0.85rem; border: 1.5px dashed var(--muted); background: transparent; color: var(--ink); border-radius: 6px; padding: 5px 12px; cursor: pointer; }
.sample.on { border-style: solid; border-color: var(--accent); color: var(--accent); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 14px 0; box-shadow: var(--shadow); min-width: 0; }
.ch { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; font-size: 1.15rem; flex-wrap: wrap; }
.no { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); font-size: 0.9rem; }
.free, .paid { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 2px 8px; border-radius: 4px; }
.free { background: var(--ok-bg); color: var(--ok); } .paid { background: var(--warn-bg); color: var(--warn); }
.lab { display: block; font-weight: 600; font-size: 0.9rem; margin: 10px 0 4px; }
.inp { width: 100%; font: inherit; color: var(--ink); background: var(--field); border: 1.5px solid var(--line); border-radius: 6px; padding: 8px 10px; }
.inp:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.inp.narrow { width: auto; min-width: 0; }
.inp.short { width: 9.5em; }
.row2 { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 6px; }
.row2 .lab { margin: 0; }
.note { background: var(--warn-bg); color: var(--warn); border-radius: 6px; padding: 8px 12px; font-size: 0.9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; align-items: center; }

.board-host { background: var(--tray); padding: 10px 10px 18px; border-radius: 10px; position: relative; }
.board-host::after { content: ""; position: absolute; left: 14%; right: 14%; bottom: 6px; height: 7px; border-radius: 4px; background: #7d8894; }
.board-host svg { display: block; width: 100%; height: auto; }
.empty-board { background: #fbfcfd; color: #55606c; margin: 0; padding: 60px 16px; text-align: center; border-radius: 8px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.scrub { width: 100%; accent-color: var(--accent); }
.tray { list-style: none; display: flex; gap: 10px; overflow-x: auto; padding: 8px 2px; margin: 8px 0 0; }
.tframe { flex: 0 0 auto; width: 128px; display: flex; flex-direction: column; gap: 2px; }
.tframe .small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tbtn { padding: 2px; border: 2px solid var(--line); border-radius: 6px; background: var(--card); cursor: pointer; }
.tframe.on .tbtn { border-color: var(--accent); }
.tbtn svg { display: block; width: 120px; height: auto; }

.edits { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.erow { border: 1px solid var(--line); border-radius: 8px; padding: 10px; display: grid; gap: 6px; background: var(--panel); min-width: 0; }
.erow.edited { border-color: var(--blue); }
.drow { display: flex; flex-wrap: wrap; gap: 8px; }
.dcell { display: flex; gap: 4px; flex-wrap: wrap; min-width: 0; }
.kh { font-size: 1rem; margin: 14px 0 4px; }
.kept { margin: 0; padding-left: 20px; }
.none { color: var(--muted); list-style: none; }

.progress { border: 1px dashed var(--line); border-radius: 8px; padding: 10px 14px; margin: 10px 0; }
.steps { list-style: none; padding: 0; margin: 8px 0; }
.step { color: var(--muted); font-size: 0.9rem; } .step.done { color: var(--ok); } .step.active { color: var(--ink); font-weight: 600; }
.step-ic { display: inline-block; width: 1em; }
.raw { white-space: pre-wrap; word-break: break-word; background: var(--panel); padding: 10px; border-radius: 6px; max-height: 300px; overflow: auto; }
.result { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 10px; }
.rhead { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; align-items: center; }
.badge { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; border-radius: 4px; padding: 3px 8px; background: var(--info-bg); color: var(--muted); }
.badge.v-kept { background: var(--ok-bg); color: var(--ok); } .badge.v-flagged { background: var(--warn-bg); color: var(--warn); }
.answers { padding-left: 0; list-style: none; display: grid; gap: 10px; }
.answers h4 { margin: 0 0 4px; }
.answers p { margin: 2px 0; }
.rtitle { font-weight: 700; font-size: 1.05rem; }
.dl { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.chip { border: 1.5px solid var(--ink); border-radius: 4px; padding: 1px 8px; font-size: 0.85rem; }
.lk { color: var(--accent); font-weight: 700; font-size: 0.85rem; }
.recon { padding-left: 18px; font-size: 0.9rem; }
.recon li.none { margin-left: -18px; }
.recon li.warn { color: var(--warn); } .recon li.info { color: var(--muted); }

.saved { list-style: none; padding: 0; display: grid; gap: 8px; }
.hrow { display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; flex-wrap: wrap; }
.hinfo { flex: 1 1 220px; display: flex; flex-direction: column; min-width: 0; }
.hbtns { display: flex; gap: 6px; }
.about p { margin: 6px 0; }
.foot { max-width: 920px; margin: 0 auto; padding: 8px 16px 40px; color: var(--muted); font-size: 0.88rem; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 6px; z-index: 20; max-width: min(360px, calc(100vw - 32px)); }
.toast { background: var(--ink); color: var(--card); padding: 8px 12px; border-radius: 6px; font-size: 0.9rem; transition: opacity 0.5s; }
.toast.err { background: var(--bad); color: #fff; } .toast.gone { opacity: 0; }
.toast a { color: inherit; }
.print-only { display: none; }
@media (max-width: 560px) { .back-t { display: none; } .card { padding: 12px; } .inp.short { width: 7.5em; } }
@media print {
  .top, .hero, main > *, .foot, .toasts { display: none !important; }
  .print-only { display: block !important; }
  .print-only svg { width: 100%; height: auto; }
}