:root{--bg:#fff;--fg:#1f2937;--muted:#6b7280;--line:#e5e7eb;--accent:#2563eb;--ok:#16a34a;--bad:#dc2626}
@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--fg:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--accent:#60a5fa}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
#app{max-width:900px;margin:0 auto;padding:0 12px 40px}
.topbar{padding:12px 0}
.topbar h1{font-size:18px;margin:0}
.tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:8px;border-bottom:1px solid var(--line)}
.tabs button{flex:0 0 auto;padding:6px 12px;border:1px solid var(--line);background:transparent;color:var(--fg);border-radius:999px;font-size:14px}
.tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}
#view{padding-top:14px}
.card{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.row{display:flex;gap:8px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grow{flex:1}
.muted{color:var(--muted);font-size:13px}
button.primary{background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:8px;padding:8px 14px}
button.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:8px 14px}
input,select,textarea{font:inherit;color:var(--fg);background:transparent;border:1px solid var(--line);border-radius:8px;padding:8px;width:100%}
.word-item{display:flex;gap:10px;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--line)}
.word-item .w{font-weight:600}
.word-item .m{color:var(--muted);font-size:14px}
.ok{color:var(--ok)} .bad{color:var(--bad)}
@media (max-width:520px){ .word-item{flex-wrap:wrap} }