:root{--bg:#f7f8fa;--card:#fff;--tx:#1b1f24;--mut:#5b6470;--pri:#0b6e4f;--pri2:#095c42;--bd:#e3e6ea;--err:#b42318;--ok:#067647;--warn:#b54708}*{box-sizing:border-box}body{background:var(--bg);color:var(--tx);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}a{color:var(--pri)}header.top{border-bottom:1px solid var(--bd);background:#fff}.wrap{max-width:960px;margin:0 auto;padding:0 18px}nav{flex-wrap:wrap;align-items:center;gap:16px;padding:12px 0;display:flex}nav .logo{color:var(--tx);margin-right:auto;font-weight:800;text-decoration:none}nav a{font-size:15px;text-decoration:none}main{padding:28px 0 60px}h1{margin:.2em 0 .4em;font-size:30px;line-height:1.2}h2{margin-top:1.6em}.card{background:var(--card);border:1px solid var(--bd);border-radius:12px;margin:16px 0;padding:20px}.grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;display:grid}.grid .card{margin:0}.grid .card h3{margin-top:0}input,select,textarea{font:inherit;border:1px solid var(--bd);background:#fff;border-radius:8px;width:100%;padding:10px 12px}button,.btn{font:inherit;background:var(--pri);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:10px 16px;text-decoration:none;display:inline-block}button:hover,.btn:hover{background:var(--pri2)}button.sec{color:var(--pri);border:1px solid var(--pri);background:#fff}button:disabled{opacity:.5;cursor:not-allowed}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row>input{flex:1;min-width:200px}.ok{color:var(--ok)}.err{color:var(--err)}.warn{color:var(--warn)}.mut{color:var(--mut);font-size:14px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--bd);text-align:left;white-space:nowrap;padding:6px 8px}.scroll{overflow-x:auto}.drop{border:2px dashed var(--bd);text-align:center;background:#fff;border-radius:12px;padding:30px}.drop.on{border-color:var(--pri);background:#eef8f4}.modal{z-index:9;background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal .card{width:100%;max-width:440px}.tag{color:var(--pri);background:#eef8f4;border-radius:99px;padding:2px 10px;font-size:13px;display:inline-block}footer{border-top:1px solid var(--bd);color:var(--mut);padding:24px 0;font-size:14px}article p,article li{max-width:70ch}code{background:#eef0f3;border-radius:4px;padding:1px 5px}