:root {
  --bg: #f5f6f8;
  --card: #fff;
  --ink: #1d2330;
  --muted: #667085;
  --line: #dde1e8;
  --accent: #2753c7;
  --accent-ink: #fff;
  --ok: #16803c;
  --warn: #a15c00;
  --warn-bg: #fff6e5;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d; --card: #1d2129; --ink: #e6e9ef; --muted: #98a2b3; --line: #313745;
    --accent: #6d8ff0; --accent-ink: #0b1020; --ok: #4ade80; --warn: #fbbf24; --warn-bg: #3a2f14;
    --bad: #f87171; --bad-bg: #3b1d1d; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { margin: 0 0 .6em; line-height: 1.2; }
h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.1rem; }
h3 { font-size: .95rem; margin-top: 1.2em; }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
code { background: color-mix(in srgb, var(--line) 50%, transparent); padding: 0 .3em; border-radius: 4px; }
a { color: var(--accent); }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .9rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .75rem; }
.tag { margin: 0; color: var(--muted); font-size: .85rem; }
.logo {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font: 700 22px/1 Georgia, "Times New Roman", serif;
  box-shadow: inset 0 0 0 3px color-mix(in srgb, var(--accent-ink) 25%, transparent);
}
.exam-picker { display: flex; align-items: center; gap: .5rem; font-weight: 600; }
.exam-picker select { min-width: 14rem; }

.tabs {
  display: flex; gap: .25rem; padding: 0 1.25rem; background: var(--card);
  border-bottom: 1px solid var(--line); overflow-x: auto;
}
.tabs button {
  border: 0; background: none; padding: .8rem .9rem; font: inherit; color: var(--muted);
  border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap; border-radius: 0;
}
.tabs button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

main { padding: 1.25rem; max-width: 1400px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.card-head h2 { margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; align-items: start; }
.grid2.wide-left { grid-template-columns: 3fr 2fr; }
@media (max-width: 900px) { .grid2, .grid2.wide-left { grid-template-columns: 1fr; } }

label { display: block; margin-bottom: .8rem; font-weight: 500; }
label.check { display: flex; gap: .5rem; align-items: baseline; font-weight: 400; }
label.indent { margin-left: 1.6rem; font-weight: 400; }
.row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: flex-end; }
.row > label { flex: 1 1 8rem; }
input, select, textarea {
  font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line);
  border-radius: 6px; padding: .45rem .55rem; width: 100%; margin-top: .25rem;
}
input[type=checkbox], input[type=radio] { width: auto; margin: 0; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
fieldset { border: 0; padding: 0; margin: 0 0 .5rem; }

button, .button {
  display: inline-flex; align-items: center; gap: .35rem; font: inherit; font-weight: 500; cursor: pointer;
  padding: .45rem .8rem; border-radius: 6px; border: 1px solid var(--line); background: var(--card);
  color: var(--ink); text-decoration: none; margin: 0;
}
button:hover, .button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--bad); }
button.icon { padding: .2rem .45rem; border: 0; background: none; color: var(--muted); }
.btns { display: flex; flex-wrap: wrap; gap: .5rem; margin: .6rem 0; }

.hint { color: var(--muted); font-size: .88rem; }
.error { color: var(--bad); font-weight: 500; }
.warn { color: var(--warn); }
.error:empty, .warn:empty { display: none; }
.muted { color: var(--muted); }
.pill { display: inline-block; font-size: .78rem; font-weight: 500; padding: .1rem .5rem; border-radius: 99px; background: var(--bg); border: 1px solid var(--line); color: var(--muted); vertical-align: middle; }
.privacy { background: color-mix(in srgb, var(--ok) 10%, transparent); border-radius: 8px; padding: .6rem .8rem; }
.steps { padding-left: 1.2rem; }
.steps li { margin-bottom: .35rem; }
details { margin-top: .8rem; }
summary { cursor: pointer; font-weight: 500; }
pre { background: var(--bg); padding: .75rem; border-radius: 6px; overflow-x: auto; font-size: .85rem; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 8px; max-height: 60vh; }
.table-wrap.tall { max-height: 65vh; }
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { padding: .4rem .6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.data th { position: sticky; top: 0; background: var(--card); font-size: .82rem; color: var(--muted); z-index: 1; }
table.data th[data-sort] { cursor: pointer; user-select: none; }
table.data th.sorted { color: var(--ink); }
table.data td input { margin: 0; padding: .25rem .4rem; background: transparent; border-color: transparent; }
table.data td input:hover { border-color: var(--line); }
table.data tr.bad td input[data-f=id] { border-color: var(--bad); }
table.data tr.bad > td { background: var(--bad-bg); }
table.data tr.warnrow > td { background: var(--warn-bg); }
table.data td.flags { font-size: .82rem; color: var(--warn); }
table.data td.empty { text-align: center; color: var(--muted); padding: 1.5rem; }
table.compact td, table.compact th { padding: .2rem .5rem; text-align: center; }
table.data td.keycell { font-weight: 700; color: var(--ok); }
table.data td.low { color: var(--bad); font-weight: 600; }
.add-row { margin-top: .75rem; }
.add-row input { flex: 1 1 8rem; margin: 0; }

.key-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(4.6rem, 1fr)); gap: .35rem; }
.key-grid .k { display: flex; gap: .35rem; align-items: baseline; padding: .25rem .45rem; border: 1px solid var(--line); border-radius: 6px; font-size: .9rem; }
.key-grid .k b { color: var(--muted); font-weight: 500; min-width: 1.6em; text-align: right; }
.key-grid .k span { font-weight: 700; }
.key-grid .k small { color: var(--muted); }
.key-grid .k.none { border-style: dashed; color: var(--muted); }
.key-grid .k.free span { color: var(--ok); }
.key-grid .k.drop span { color: var(--muted); text-decoration: line-through; }

.preview-card iframe { width: 100%; height: 75vh; border: 1px solid var(--line); border-radius: 8px; display: none; background: #fff; }
.preview-card iframe.on { display: block; }
.notes ul { padding-left: 1.2rem; color: var(--muted); }

.drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3rem;
  border: 2px dashed var(--line); border-radius: var(--radius); padding: 2.2rem 1rem; text-align: center;
  cursor: pointer; font-weight: 400; transition: border-color .15s, background .15s;
}
.drop strong { font-size: 1.05rem; }
.drop span { color: var(--muted); }
.drop:hover, .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, transparent); }
.scan-opts { margin: 1rem 0 .5rem; align-items: center; }
.scan-opts label { flex: 0 1 18rem; margin: 0; }
progress { width: 100%; height: 10px; margin: .5rem 0; }

.stats { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1rem; }
.stat { background: var(--bg); border-radius: 8px; padding: .5rem .8rem; min-width: 6.5rem; }
.stat span { display: block; font-size: .78rem; color: var(--muted); }
.stat b { font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.missing { color: var(--muted); }

dialog { border: 0; border-radius: 12px; padding: 0; width: min(1300px, 96vw); max-height: 94vh; background: var(--card); color: var(--ink); box-shadow: 0 20px 60px rgb(0 0 0 / .35); }
dialog::backdrop { background: rgb(10 14 22 / .55); }
.review-inner { display: flex; flex-direction: column; max-height: 94vh; }
.review-head { display: flex; justify-content: space-between; align-items: center; padding: .7rem 1rem; border-bottom: 1px solid var(--line); }
.review-head h2 { margin: 0; font-size: 1rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.review-body { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(18rem, 1fr); gap: 1rem; padding: 1rem; overflow: auto; }
@media (max-width: 800px) { .review-body { grid-template-columns: 1fr; } }
.review-canvas-wrap canvas { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 6px; cursor: crosshair; background: #fff; }
.review-side { min-width: 0; }
.rv-name { font-weight: 600; margin: 0 0 .2rem; }
.rv-name.bad { color: var(--bad); }
.rv-score { font-size: 1.1rem; margin: 0 0 .5rem; }
.rv-answers { display: grid; grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr)); gap: .25rem; max-height: 40vh; overflow: auto; padding: .25rem; border: 1px solid var(--line); border-radius: 6px; }
.rq { display: flex; align-items: center; gap: 2px; padding: 1px 3px; border-radius: 4px; }
.rq b { width: 2.1em; text-align: right; margin-right: 4px; font-size: .8rem; color: var(--muted); }
.rq.ok b { color: var(--ok); }
.rq.no b { color: var(--bad); }
.rq.part b { color: var(--warn); }
.rv-read label { flex: 1 1 6rem; }
.rv-pick { max-height: 11rem; overflow: auto; border: 1px solid var(--line); border-radius: 6px; margin: .25rem 0 .5rem; }
.rv-pick:empty { display: none; }
.rv-pick button { display: block; width: 100%; text-align: left; border: 0; border-radius: 0; background: transparent; padding: .3rem .6rem; }
.rv-pick button:hover, .rv-pick button:focus-visible { background: var(--line); }
.rv-pick button[aria-selected=true] { background: var(--accent); color: var(--accent-ink); }
.rv-pick .grp { padding: .25rem .6rem; font-size: .75rem; color: var(--muted); text-transform: uppercase; }
.rv-pick small { color: inherit; opacity: .75; }
.key-grid .k.all span { color: var(--accent); }
.rq.flag { background: var(--warn-bg); }
.rq button { width: 1.6rem; height: 1.6rem; padding: 0; justify-content: center; border-radius: 50%; font-size: .72rem; }
.rq button.key { box-shadow: 0 0 0 2px var(--ok); }
.rq button.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.rv-flags { padding-left: 1.1rem; color: var(--warn); font-size: .88rem; }
.rv-flags:empty { display: none; }

#toast {
  position: fixed; left: 50%; bottom: 1.25rem; transform: translate(-50%, 150%); background: var(--ink); color: var(--bg);
  padding: .6rem 1rem; border-radius: 8px; transition: transform .2s; max-width: 90vw; z-index: 50; pointer-events: none;
}
#toast.show { transform: translate(-50%, 0); }
#toast.error { background: var(--bad); color: #fff; }
#toast.ok { background: var(--ok); color: #fff; }
.foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 1rem 1rem 2rem; }

@media print { .topbar, .tabs, .foot { display: none; } }

.colored { display: flex; gap: .4rem; align-items: center; }
.colored input[type=color] { width: 2.6rem; flex: none; padding: .1rem; height: 2.15rem; margin-top: .25rem; cursor: pointer; }
.colored input.size { width: 4.6rem; flex: none; }