:root {
  --bg: #fbfbfa; --card: #fff; --text: #16181d; --muted: #5d6470; --line: #e4e6ea;
  --accent: #3b4fd8; --accent-soft: #eef0fd; --warn: #a15c00; --warn-soft: #fff4e0; --sel: #f3f5ff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) { color-scheme: dark; --bg: #0f1115; --card: #171a21; --text: #e8eaee; --muted: #9aa1ad; --line: #2a2e38; --accent: #8c9bff; --accent-soft: #1d2240; --warn: #f0b45a; --warn-soft: #2b2212; --sel: #1b2033; }
}
:root[data-theme=dark] { color-scheme: dark; --bg: #0f1115; --card: #171a21; --text: #e8eaee; --muted: #9aa1ad; --line: #2a2e38; --accent: #8c9bff; --accent-soft: #1d2240; --warn: #f0b45a; --warn-soft: #2b2212; --sel: #1b2033; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif; }
a { color: var(--accent); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; }
header, main, footer { max-width: 920px; margin: 0 auto; padding: 0 16px; }
header { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; align-items: center; padding-top: 18px; padding-bottom: 18px; }
header .logo { font-weight: 750; font-size: 18px; text-decoration: none; color: var(--text); }
header nav a { margin-right: 16px; font-size: 14px; color: var(--muted); text-decoration: none; }
header nav a:last-child { margin-right: 0; }
h1 { font-size: 30px; line-height: 1.25; margin: 10px 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin-top: 40px; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin-top: 0; font-size: 17px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 18px 0; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 14px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
input[type=number], select { width: 100%; padding: 10px 12px; font-size: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); }
.tabs { display: flex; gap: 8px; }
.tabs label, .checks label { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; margin: 0 16px 0 0; }
.tabs label { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.tabs label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); }
.checks { margin-top: 14px; }
.presets { margin-top: 12px; font-size: 13px; color: var(--muted); }
.presets button { margin: 4px 6px 0 0; padding: 4px 10px; font-size: 13px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--text); cursor: pointer; }
.presets button:hover { border-color: var(--accent); }
.hint { font-size: 12px; color: var(--muted); }
.result { background: var(--accent-soft); border-radius: 12px; padding: 18px 20px; margin-top: 18px; }
.split { display: flex; flex-wrap: wrap; gap: 12px 48px; margin-bottom: 8px; }
.k { font-size: 13px; color: var(--muted); }
.big { font-size: 32px; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
.alert { background: var(--warn-soft); color: var(--warn); border-radius: 8px; padding: 8px 12px; font-size: 14px; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
td, th { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
#all th { cursor: pointer; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.sel td { background: var(--sel); font-weight: 600; }
.tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--warn-soft); color: var(--warn); white-space: nowrap; }
.button { display: inline-block; padding: 10px 16px; border-radius: 8px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; }
.changes { list-style: none; padding: 0; }
.changes li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.changes time { font-variant-numeric: tabular-nums; color: var(--muted); margin-right: 6px; }
.list li { margin: 6px 0; }
.ad { margin: 24px 0; min-height: 100px; }
details { border-bottom: 1px solid var(--line); padding: 10px 0; }
summary { font-weight: 600; cursor: pointer; }
footer { color: var(--muted); font-size: 13px; padding-top: 40px; padding-bottom: 40px; }
footer a { color: var(--muted); margin-right: 12px; }
[hidden] { display: none !important; }
header nav { display: flex; align-items: center; }
.theme-toggle { width: 34px; height: 34px; margin-left: 12px; padding: 0; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--text); font-size: 16px; line-height: 1; cursor: pointer; flex: none; }
.theme-toggle:hover { border-color: var(--accent); }
header nav { flex-wrap: wrap; row-gap: 6px; }
@media (max-width: 640px) { header nav a { margin-right: 12px; } }
textarea { width: 100%; padding: 10px 12px; font: 15px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); resize: vertical; }
.filters { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin: 10px 0; }
.filters label { display: inline-flex; gap: 6px; align-items: center; margin: 0; font-size: 13px; }
.filters select, .filters input[type=number] { width: auto; padding: 6px 8px; font-size: 14px; }
.filters input[type=number] { width: 110px; }
.fam { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.fam .big { font-size: 24px; }
.actions { margin: 12px 0 0; }
button.ghost { padding: 6px 12px; font-size: 13px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); cursor: pointer; }
button.ghost:hover { border-color: var(--accent); }
.pin { padding: 0 2px; border: 0; background: none; color: var(--muted); font-size: 15px; line-height: 1; cursor: pointer; }
.pin[aria-pressed=true] { color: var(--accent); }
tr.pinned td { background: var(--accent-soft); }
table.sortable th { cursor: pointer; }
th[aria-sort=ascending]::after { content: ' ▲'; } th[aria-sort=descending]::after { content: ' ▼'; }
.crumbs { margin: 0; font-size: 13px; }
.card h2.first { margin-top: 0; font-size: 17px; }
.guide-list { list-style: none; padding: 0; }
.guide-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.guide-list a { font-weight: 600; }
.guide-list p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }