:root{--teal:#009688;--bg:#f5f5f5;--card:#fff;--text:#212121;--sub:#616161;--line:#e0e0e0;--red:#d32f2f}
@media (prefers-color-scheme:dark){:root{--bg:#121212;--card:#1e1e1e;--text:#f0f0f0;--sub:#b0b0b0;--line:#333}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
header{background:var(--teal);color:#fff}
.bar{max-width:900px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
nav a,nav .link{color:#fff;text-decoration:none;padding:6px 10px;border-radius:6px;background:none;border:0;font:inherit;cursor:pointer}
nav a.on{background:rgba(255,255,255,.22)}
form.inline{display:inline}
main{max-width:900px;margin:16px auto;padding:0 16px 48px}
.card{background:var(--card);border-radius:10px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.12);margin-bottom:16px}
.narrow{max-width:420px;margin-left:auto;margin-right:auto}
h2{margin:0 0 12px}h3{margin:20px 0 8px}
label{display:block;margin:10px 0;color:var(--sub);font-size:14px}
input,textarea,select{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--text);font:inherit}
textarea{min-height:140px;resize:vertical}
button{font:inherit;padding:8px 14px;border-radius:6px;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer}
button.primary{background:var(--teal);border-color:var(--teal);color:#fff;width:100%;padding:11px;margin-top:8px}
button.danger{color:var(--red);border-color:var(--red)}
button:disabled{opacity:.5}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px}
.flash.ok{background:#e0f2f1;color:#00695c}.flash.err{background:#ffebee;color:#c62828}
.hint{color:var(--sub);font-size:14px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
.row{display:flex;gap:6px;align-items:center}.row input{margin:0;min-width:120px}

/* 编辑器 */
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar .grow{flex:1}
.crumbs{color:var(--sub);margin-bottom:10px}
.crumbs a{color:var(--teal);cursor:pointer;text-decoration:none}
.item{display:flex;align-items:center;gap:10px;padding:10px 8px;border-bottom:1px solid var(--line)}
.item .swatch{width:6px;align-self:stretch;border-radius:3px;background:transparent}
.item .ico{font-size:22px}
.item .txt{flex:1;min-width:0;cursor:pointer}
.item .t{font-weight:600}
.item .p{color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .acts{display:flex;gap:4px}
.item .acts button{padding:4px 9px}
.empty{color:var(--sub);text-align:center;padding:40px 12px}
.status{color:var(--sub);font-size:14px}
dialog{border:0;border-radius:12px;padding:0;width:min(560px,94vw);background:var(--card);color:var(--text)}
dialog::backdrop{background:rgba(0,0,0,.45)}
dialog form{padding:18px}
.swatches{display:flex;gap:8px;margin:6px 0 10px}
.swatches button{width:34px;height:34px;padding:0;border-radius:6px;border:2px solid var(--line)}
.swatches button.sel{border-color:var(--text);outline:2px solid var(--teal)}
.dlgacts{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}
.help{font-size:13px;color:var(--sub);background:var(--bg);border-radius:8px;padding:10px;margin-top:10px;white-space:pre-wrap;font-family:ui-monospace,Menlo,monospace}