:root{--bg:#f6f8fb;--card:#fff;--text:#1d2733;--muted:#5d6b7a;--brand:#0f6fde;--brand-d:#0b57b0;--line:#e2e8f0;--ok:#0a8f5b}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
header{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:56px}
header a{color:var(--text);text-decoration:none;font-weight:700}
nav a{font-weight:500;color:var(--muted);margin-left:16px;font-size:14px}
h1{font-size:1.7rem;margin:28px 0 6px;line-height:1.25}
h2{font-size:1.25rem;margin:32px 0 10px}
.lead{color:var(--muted);margin:0 0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.grid{grid-template-columns:1fr}}
label{display:block;font-size:14px;font-weight:600;margin-bottom:4px}
input{width:100%;padding:11px 12px;font-size:16px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}
input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.hint{font-size:12px;color:var(--muted);margin-top:3px}
button{margin-top:16px;width:100%;padding:13px;font-size:16px;font-weight:700;color:#fff;background:var(--brand);border:0;border-radius:9px;cursor:pointer}
button:hover{background:var(--brand-d)}
.result{display:none}
.big{font-size:2.1rem;font-weight:800;color:var(--ok);margin:2px 0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
@media(max-width:600px){.stats{grid-template-columns:1fr}}
.stat{background:var(--bg);border-radius:10px;padding:12px}
.stat span{display:block;font-size:12px;color:var(--muted)}
.stat b{font-size:1.05rem}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px 6px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
th{background:var(--bg);font-size:12px;text-transform:uppercase;color:var(--muted)}
.tablewrap{max-height:340px;overflow:auto}
.ad{min-height:90px;margin:20px 0;text-align:center;color:#9aa6b2;font-size:12px}
details{border-bottom:1px solid var(--line);padding:12px 0}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 0;color:var(--muted)}
.more a{color:var(--brand)}
footer{border-top:1px solid var(--line);margin-top:40px;padding:20px 0;font-size:13px;color:var(--muted);text-align:center}
footer a{color:var(--muted);margin:0 8px}
.prose p{margin:0 0 14px}
.prose ul{padding-left:20px}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:10px 0 20px}
@media(max-width:600px){.tools{grid-template-columns:1fr}}
.tool{display:block;text-decoration:none;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.tool:hover{border-color:var(--brand)}
.tool b{display:block;margin-bottom:4px}
.tool span{font-size:14px;color:var(--muted)}
.tool.soon{opacity:.55;pointer-events:none}

/* tools2 */
textarea,select{width:100%;padding:11px 12px;font-size:16px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;font-family:inherit;color:var(--text)}
textarea{resize:vertical}
textarea:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}
input[type=color]{padding:2px;height:44px;cursor:pointer}
input[type=range]{padding:0;height:44px}
input[type=file]{padding:9px;background:#fff}
button.secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}
button.secondary:hover{background:#eef5ff}
.btnrow{display:flex;gap:10px;flex-wrap:wrap}
.btnrow a.button{flex:1;min-width:140px}
a.button{display:block;margin-top:16px;padding:13px;font-size:16px;font-weight:700;color:#fff;background:var(--brand);border-radius:9px;text-align:center;text-decoration:none}
a.button:hover{background:var(--brand-d)}