:root { --bg: #f6f7f9; --card: #fff; --text: #1f2937; --muted: #6b7280; --line: #e5e7eb; --ok: #166534; --ok-bg: #dcfce7; --warn: #92400e; --warn-bg: #fef3c7; --bad: #991b1b; --bad-bg: #fee2e2; --info-bg: #eef2ff; --accent: #2563eb; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; align-items: center; gap: 16px; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line); }
header h1 { font-size: 17px; margin: 0; flex: 1; }
header nav { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; }
main { max-width: 960px; margin: 24px auto; padding: 0 16px; }
main.narrow { max-width: 520px; margin-top: 12vh; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
h2 { font-size: 18px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0; }
label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 14px; }
.hint { color: var(--muted); font-size: 13px; font-weight: 400; }
input[type=text], select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit; background: #fff; }
textarea { min-height: 160px; resize: vertical; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
button { padding: 9px 16px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
button.secondary { background: #e5e7eb; color: var(--text); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; }
button:disabled { opacity: .5; cursor: default; }
a { color: var(--accent); }
progress { width: 100%; height: 10px; }
.muted { color: var(--muted); }
.error { color: var(--bad); }
.status { margin-top: 12px; }
.verdict { padding: 14px 16px; border-radius: 8px; margin-bottom: 16px; }
.verdict.ok { background: var(--ok-bg); color: var(--ok); }
.verdict.warn { background: var(--warn-bg); color: var(--warn); }
.verdict.bad { background: var(--bad-bg); color: var(--bad); }
.verdict h2 { margin: 0 0 4px; }
.code { font: 700 28px/1.2 ui-monospace, Menlo, Consolas, monospace; letter-spacing: 1px; margin: 8px 0; }
.finding { border: 1px solid var(--line); border-left-width: 4px; border-radius: 8px; padding: 12px 14px; margin: 10px 0; }
.finding.block { border-left-color: var(--bad); }
.finding.warn { border-left-color: #d97706; }
.finding.info { border-left-color: #a5b4fc; }
.finding .head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.chip { font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 10px; }
.chip.block { background: var(--bad-bg); color: var(--bad); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.chip.info { background: var(--info-bg); color: #3730a3; }
.time { font: 600 13px ui-monospace, Menlo, Consolas, monospace; color: var(--muted); }
.quote { font-style: italic; margin: 6px 0; }
.frame { display: block; max-width: 240px; max-height: 320px; border-radius: 6px; margin: 8px 0; border: 1px solid var(--line); }
.answer { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.answer label { display: inline; font-weight: 400; margin: 0 0 0 6px; }
.answer textarea { min-height: 60px; font-family: inherit; font-size: 14px; margin-top: 6px; }
.done { color: var(--ok); font-weight: 600; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
td, th { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.hidden { display: none !important; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } header { flex-wrap: wrap; } }
dialog { width: min(760px, 94vw); max-height: 86vh; border: 1px solid var(--line); border-radius: 10px; padding: 20px; color: var(--text); }
dialog::backdrop { background: rgba(17, 24, 39, .45); }
.results { max-height: 56vh; overflow-y: auto; margin-top: 10px; }
button.brief-row { display: block; width: 100%; text-align: left; background: #fff; color: var(--text); border: 1px solid var(--line); margin: 6px 0; padding: 10px 12px; font-weight: 400; }
button.brief-row:hover, button.brief-row:focus { border-color: var(--accent); outline: none; }
.chip.picked { background: #e0e7ff; color: #3730a3; font-weight: 600; padding: 3px 10px; }
input[readonly], textarea[readonly], select:disabled { background: #f3f4f6; color: var(--muted); }