:root {
  --bg: #f2f6f3; --bg-2: #e6ede8; --card: #ffffff; --line: #d9e2dc; --line-2: #bcc9c1;
  --ink: #17251d; --ink-2: #4f6157; --ink-3: #8a9a91; --accent: #0f766e; --accent-2: #115e59; --pos: #16a34a; --neg: #dc2626;
  --s1: #2f6fd6; --s2: #c96a0e; --s3: #6b3fa0;
  --radius: 14px; --shadow: 0 8px 24px rgba(20, 50, 35, 0.10);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); min-height: 100vh; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
h1, h2, h3 { margin: 0; font-weight: 700; }
h2 { font-size: 1.15rem; margin-bottom: 8px; }
h3 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-3); margin: 14px 0 8px; }
code { font-family: var(--mono); background: var(--bg-2); border-radius: 5px; padding: 1px 5px; font-size: 0.9em; }
.hint { color: var(--ink-3); font-size: 0.82rem; margin: 6px 0 0; line-height: 1.4; }
.lead { color: var(--ink-2); line-height: 1.55; margin: 0 0 12px; max-width: 900px; }
.inline { display: inline-flex; gap: 8px; align-items: center; font-size: 0.85rem; color: var(--ink-2); flex-wrap: wrap; }
.topbar { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding: 12px 24px; background: rgba(255, 255, 255, 0.9); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(8px); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { font-size: 1.25rem; }
.brand p { margin: 0; font-size: 0.78rem; color: var(--ink-3); }
.brand-icon { font-size: 1.7rem; }
.tabs { display: flex; gap: 4px; margin-left: auto; background: var(--bg-2); padding: 4px; border-radius: 12px; }
.tab { border: none; background: none; font: inherit; font-weight: 600; color: var(--ink-2); padding: 8px 14px; border-radius: 9px; cursor: pointer; white-space: nowrap; }
.tab.active { background: var(--card); color: var(--accent); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12); }
.topbar-actions { display: flex; gap: 6px; }
.btn { appearance: none; border: 1px solid var(--line-2); background: var(--card); color: var(--ink); padding: 8px 14px; border-radius: 10px; font: inherit; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; line-height: 1.2; transition: background 0.15s, transform 0.1s; }
.btn:hover { background: #f7faf8; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-sm { padding: 5px 10px; font-size: 0.82rem; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
select, input[type="text"], textarea { border: 1px solid var(--line-2); background: #fff; color: var(--ink); border-radius: 9px; padding: 7px 10px; font: inherit; font-size: 0.9rem; max-width: 100%; }
textarea { width: 100%; resize: vertical; line-height: 1.5; }
.check { display: inline-flex; gap: 8px; align-items: center; font-size: 0.85rem; cursor: pointer; color: var(--ink-2); }
.check input { accent-color: var(--accent); }
.toolbar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 10px 0 12px; }
.toolbar label { display: inline-flex; gap: 8px; align-items: center; font-size: 0.85rem; color: var(--ink-2); }
.page { max-width: 1240px; margin: 0 auto; padding: 20px 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }
.tab-body { display: none; }
.tab-body.active { display: block; animation: fade 0.2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }
.grid2 { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.grid2.about, .grid2.even { grid-template-columns: 1fr 1fr; }
.row-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.examples { margin: 8px 0; }
.examples button { border: 1px solid var(--line-2); background: var(--bg-2); border-radius: 999px; padding: 4px 10px; font: inherit; font-size: 0.78rem; cursor: pointer; color: var(--ink-2); }
.examples button:hover { border-color: var(--accent); color: var(--accent); }
.verdict { display: flex; align-items: center; gap: 14px; margin: 10px 0; min-height: 56px; }
.verdict .big { font-size: 1.6rem; font-weight: 800; }
.verdict .big.pos { color: var(--pos); } .verdict .big.neg { color: var(--neg); } .verdict .big.none { color: var(--ink-3); font-weight: 500; font-size: 1rem; }
.verdict .meter { flex: 1; height: 12px; background: var(--bg-2); border-radius: 6px; position: relative; overflow: hidden; max-width: 320px; }
.verdict .meter i { position: absolute; top: 0; bottom: 0; }
.verdict .meter i.pos { left: 50%; background: var(--pos); } .verdict .meter i.neg { right: 50%; background: var(--neg); }
.verdict .meter::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--line-2); }
.verdict .score { font-family: var(--mono); font-size: 0.85rem; color: var(--ink-2); }
.highlight { line-height: 2; font-size: 1.02rem; }
.highlight span { padding: 2px 4px; border-radius: 5px; margin-right: 2px; }
.contrib { display: flex; flex-direction: column; gap: 4px; }
.cbar { display: grid; grid-template-columns: 110px 1fr 56px; gap: 8px; align-items: center; font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.cbar .w { font-family: var(--mono); color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cbar .track { height: 10px; background: var(--bg-2); border-radius: 5px; position: relative; overflow: hidden; }
.cbar .track i { position: absolute; top: 0; bottom: 0; border-radius: 5px; }
.cbar .track i.pos { left: 50%; background: var(--pos); } .cbar .track i.neg { right: 50%; background: var(--neg); }
.cbar .track::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--line-2); }
.cbar .v { text-align: right; color: var(--ink-3); }
.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin-top: 12px; }
.tile { background: var(--bg-2); border-radius: 12px; padding: 10px 12px; }
.tile-label { font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-3); }
.tile-value { font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile-sub { font-size: 0.72rem; color: var(--ink-3); }
.chart-wrap { position: relative; margin-top: 14px; }
.chart-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.chart-head h3 { margin: 0; }
.legend { display: flex; gap: 14px; font-size: 0.8rem; color: var(--ink-2); flex-wrap: wrap; }
.legend-item i, .chart-tooltip i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.chart { width: 100%; height: 260px; display: block; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.chart .grid-line { stroke: var(--line); }
.chart .ref-line { stroke: var(--ink-3); stroke-dasharray: 6 4; }
.chart .axis-text { fill: var(--ink-3); font-size: 11px; font-family: var(--font); }
.chart .series { fill: none; stroke-width: 2; stroke-linejoin: round; }
.chart .end-label { fill: var(--ink); font-size: 11px; font-weight: 700; font-family: var(--font); }
.chart .crosshair { stroke: var(--ink-3); stroke-dasharray: 3 3; }
.chart .marker { stroke: #fff; stroke-width: 2; }
.chart-tooltip { position: absolute; pointer-events: none; background: var(--ink); color: #fff; border-radius: 8px; padding: 8px 10px; font-size: 0.8rem; white-space: nowrap; }
.chart-tooltip .tip-title { color: #b9c7bf; margin-bottom: 4px; }
.chart-tooltip b { font-variant-numeric: tabular-nums; margin-left: 4px; }
.sweep table { border-collapse: collapse; font-size: 0.82rem; margin-top: 14px; width: 100%; max-width: 720px; }
.sweep th, .sweep td { padding: 5px 8px; border-bottom: 1px solid var(--line); text-align: right; font-variant-numeric: tabular-nums; }
.sweep th:first-child, .sweep td:first-child { text-align: left; }
.sweep th { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); }
.sweep td.best { color: var(--accent); font-weight: 700; }
.sweep h3, .chart-head h3 { text-transform: none; letter-spacing: 0.02em; font-size: 0.8rem; }
.wordbars { display: flex; flex-direction: column; gap: 4px; }
.wordbars .cbar { grid-template-columns: 120px 1fr 56px; }
.reviews { display: flex; flex-direction: column; gap: 8px; max-height: 640px; overflow: auto; }
.review { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 0.88rem; line-height: 1.5; cursor: pointer; }
.review:hover { border-color: var(--accent); }
.review .meta { display: flex; gap: 8px; align-items: center; font-size: 0.72rem; color: var(--ink-3); margin-bottom: 4px; }
.review .pill { padding: 1px 8px; border-radius: 999px; font-weight: 700; color: #fff; }
.review .pill.pos { background: var(--pos); } .review .pill.neg { background: var(--neg); }
.review.wrong { border-left: 4px solid var(--neg); }
.review b { color: var(--ink); }
.prose p, .prose li { line-height: 1.6; color: var(--ink-2); }
.prose b { color: var(--ink); }
.prose ul { padding-left: 20px; }
.toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); font-size: 0.88rem; animation: toast-in 0.3s ease; max-width: 320px; }
.toast.out { animation: toast-out 0.3s ease forwards; }
@keyframes toast-in { from { transform: translateX(30px); opacity: 0; } }
@keyframes toast-out { to { transform: translateX(30px); opacity: 0; } }
.footer { text-align: center; font-size: 0.8rem; color: var(--ink-3); padding: 10px 24px 30px; }
[hidden] { display: none !important; }
@media (max-width: 960px) { .grid2, .grid2.about, .grid2.even { grid-template-columns: 1fr; } .tabs { margin-left: 0; width: 100%; } .tab { flex: 1; text-align: center; padding: 8px 4px; font-size: 0.85rem; } }
@media (max-width: 560px) { .topbar { padding: 10px 14px; gap: 10px; position: static; } .page { padding: 12px 12px; } .card { padding: 12px; } .brand p { display: none; } }