:root { --fg:#0f172a; --muted:#64748b; --bg:#f8fafc; --card:#fff; --line:#e2e8f0; --accent:#2563eb; --err:#b91c1c; font-family: system-ui,-apple-system,Segoe UI,Roboto,sans-serif; color:var(--fg); background:var(--bg); }
* { box-sizing:border-box; }
body { margin:0; line-height:1.5; }
main { max-width:1100px; margin:0 auto; padding:0 20px 40px; }
a { color:var(--accent); }
header.site { max-width:1100px; margin:0 auto; padding:16px 20px; display:flex; justify-content:space-between; align-items:center; }
header.site nav a { margin-left:16px; color:var(--fg); text-decoration:none; }
.brand { font-weight:800; font-size:1.2rem; text-decoration:none; color:var(--fg); }
.hero { max-width:760px; padding:32px 0; }
h1 { font-size:2.3rem; line-height:1.15; margin:0 0 12px; }
.lede { font-size:1.1rem; color:#334155; }
.tabs { display:flex; gap:6px; margin-top:22px; }
.tabs button { background:transparent; color:var(--fg); border:1px solid var(--line); }
.tabs button[aria-selected="true"] { background:var(--fg); color:#fff; border-color:var(--fg); }
.pane { margin-top:12px; }
.drop { display:block; border:2px dashed #cbd5e1; border-radius:12px; padding:26px; text-align:center; background:#fff; cursor:pointer; }
.drop.over { border-color:var(--accent); background:#eff6ff; }
.drop input { display:block; margin:0 auto 10px; }
.row { display:flex; gap:8px; }
input[type=url], input[readonly], textarea { flex:1; width:100%; padding:10px 12px; border:1px solid #cbd5e1; border-radius:8px; font:inherit; background:#fff; }
textarea { font-family:ui-monospace,monospace; font-size:.9rem; margin-bottom:8px; }
button, .button { font:inherit; padding:10px 16px; border-radius:8px; border:1px solid var(--accent); background:var(--accent); color:#fff; cursor:pointer; text-decoration:none; display:inline-block; }
button:disabled { opacity:.6; cursor:wait; }
.button.secondary { background:#fff; color:var(--accent); }
.button[aria-disabled="true"] { opacity:.6; cursor:default; }
button.link { background:none; border:0; color:var(--accent); padding:0; text-decoration:underline; }
.status { min-height:1.5em; margin-top:10px; }
.status.error { color:var(--err); }
.muted { color:var(--muted); } .small { font-size:.88rem; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
.builder, .mine, .how, .pricing { margin-top:28px; }
.builder-head { display:flex; justify-content:space-between; align-items:flex-start; gap:12px; }
.builder-head h2 { margin:0; }
.charts-pick { border:1px solid var(--line); border-radius:10px; background:#fff; margin:12px 0; }
.opt { display:inline-flex; gap:6px; margin:4px 14px 4px 0; font-size:.92rem; }
.cols ul { columns:3; padding-left:18px; }
.tag { font-size:.75rem; padding:1px 6px; border-radius:6px; background:#e2e8f0; }
.tag-number { background:#dbeafe; } .tag-date { background:#dcfce7; } .tag-category { background:#fef3c7; }
.share { background:#eff6ff; border:1px solid #bfdbfe; padding:12px; border-radius:10px; margin:12px 0; }
.share label { font-weight:600; display:block; margin-bottom:6px; }
.dash { margin-top:14px; }
.kpis { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:12px; }
.kpi { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:14px 16px; }
.kpi-label { color:var(--muted); font-size:.85rem; }
.kpi-value { font-size:1.8rem; font-weight:700; }
.panels { display:grid; grid-template-columns:repeat(auto-fit,minmax(420px,1fr)); gap:12px; margin-top:12px; }
.panel { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:14px 16px; min-width:0; }
.panel.wide { grid-column:1/-1; }
.panel h3 { margin:0 0 8px; font-size:1rem; }
.panel svg { width:100%; height:auto; display:block; }
.grid { stroke:#eef2f7; } .tick { fill:var(--muted); font-size:11px; } .val { fill:var(--fg); font-size:11px; }
.legend span { margin-right:14px; font-size:.85rem; } .legend i { display:inline-block; width:10px; height:10px; border-radius:2px; margin-right:5px; }
.tablewrap { overflow:auto; max-height:420px; }
table { border-collapse:collapse; width:100%; font-size:.88rem; }
th, td { text-align:left; padding:6px 8px; border-bottom:1px solid var(--line); white-space:nowrap; }
th { position:sticky; top:0; background:#f1f5f9; }
.plans { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:12px; }
.plan { background:#fff; border:1px solid var(--line); border-radius:12px; padding:16px; }
.plan h3 { margin-top:0; }
footer.site { max-width:1100px; margin:0 auto; padding:24px 20px; color:var(--muted); font-size:.85rem; border-top:1px solid var(--line); }
.viewer main { padding-top:24px; }
.dash-head h1 { font-size:1.8rem; margin:0; }
.credit { font-weight:600; color:var(--fg); }
@media (max-width:560px) { .panels { grid-template-columns:1fr; } h1 { font-size:1.8rem; } .cols ul { columns:1; } }