:root{
  --bg:#0b1220; --fg:#e8eefc; --muted:#9fb0d0;
  --card:#121b2f; --line:#2a3552; --primary:#3b82f6;
}
:root[data-theme="day"]{
  --bg:#f6f8ff; --fg:#101828; --muted:#475467;
  --card:#ffffff; --line:#e4e7ec; --primary:#2563eb;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--fg)}
.top{display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb, var(--bg) 92%, transparent);backdrop-filter:blur(10px)}
h1{margin:0;font-size:20px}
.sub{margin-top:4px;font-size:13px;color:var(--muted)}
.actions{display:flex;gap:10px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px;padding:14px}
.card{grid-column:span 12;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
@media(min-width:960px){.card:nth-child(1){grid-column:span 4}.card:nth-child(2){grid-column:span 8}.card:nth-child(3){grid-column:span 12}}
.btn{border:1px solid var(--line);background:transparent;color:var(--fg);padding:8px 12px;border-radius:10px;cursor:pointer}
.btnPrimary{background:var(--primary);border-color:var(--primary);color:#fff}
.now{display:flex;gap:14px;align-items:center}
.temp{font-size:54px;font-weight:700}
.unit{font-size:20px;margin-left:4px;color:var(--muted)}
.meta{color:var(--muted);font-size:14px;line-height:1.8}
.badge{display:inline-block;margin-top:10px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
canvas{width:100%;height:auto;border-radius:12px;border:1px dashed var(--line);background:color-mix(in srgb, var(--card) 60%, transparent)}
.hint{margin-top:10px;color:var(--muted);font-size:12px}
.favList{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.favItem{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px}
.favItem .name{font-weight:600}
.favItem .small{color:var(--muted);font-size:12px}
.dlg{border:none;border-radius:14px;padding:0;width:min(560px,92vw);background:var(--card);color:var(--fg);border:1px solid var(--line)}
.dlg::backdrop{background:rgba(0,0,0,.35)}
.dlgForm{padding:14px}
.label{display:block;margin:10px 0 6px;color:var(--muted);font-size:13px}
.input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--fg)}
.dlgActions{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}