:root{--bg:#f4f6f8;--card:#fff;--ink:#1d2733;--mute:#6b7785;--line:#dde3ea;--brand:#0b7a5a;--ok:#0b7a5a;--warn:#b7791f;--err:#c0392b}
@media (prefers-color-scheme:dark){:root{--bg:#12171c;--card:#1a2129;--ink:#e6ebf0;--mute:#93a1b0;--line:#2b3641;--brand:#2fb88c;--ok:#2fb88c;--warn:#e0a844;--err:#ef6b5b}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,"Segoe UI",Tahoma,sans-serif}
header,main,footer{max-width:960px;margin:0 auto;padding:0 16px}
header{padding-top:28px}
h1{margin:0;font-size:24px}
.sub{color:var(--mute);margin:.25rem 0 1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:14px 0}
h2{margin:0 0 12px;font-size:17px;display:flex;align-items:center;gap:10px}
.step{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:700px){.grid2{grid-template-columns:1fr}}
.drop{display:flex;flex-direction:column;gap:2px;align-items:center;justify-content:center;text-align:center;border:2px dashed var(--line);border-radius:10px;padding:22px 10px;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 6%,transparent)}
.drop input{display:none}
.drop span{color:var(--mute);font-size:13px}
.files{list-style:none;margin:8px 0 0;padding:0;font-size:13px}
.files li{display:flex;justify-content:space-between;gap:8px;padding:3px 0;border-bottom:1px solid var(--line)}
.files button{border:0;background:none;color:var(--err);cursor:pointer}
.link{border:0;background:none;color:var(--mute);cursor:pointer;margin-top:10px;text-decoration:underline;padding:0}
.muted{color:var(--mute)}
.summary{padding:10px 12px;border-radius:8px;background:color-mix(in srgb,var(--mute) 10%,transparent);margin-bottom:10px}
.summary.ok{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok)}
.summary.bad{background:color-mix(in srgb,var(--err) 14%,transparent);color:var(--err)}
.chk{border:1px solid var(--line);border-radius:10px;margin:10px 0;overflow:hidden}
.chk>h3{margin:0;padding:9px 12px;font-size:14px;display:flex;gap:8px;align-items:center;background:color-mix(in srgb,var(--mute) 8%,transparent)}
.chk ul{margin:0;padding:8px 12px 8px 30px;font-size:13px}
.chk li.ok{color:var(--ok)}.chk li.warn{color:var(--warn)}.chk li.err{color:var(--err)}
.chk li::marker{content:"\2022  "}
.badge{font-size:12px;padding:1px 8px;border-radius:99px;color:#fff}
.badge.ok{background:var(--ok)}.badge.warn{background:var(--warn)}.badge.err{background:var(--err)}
.tbl{overflow-x:auto;padding:0 12px 10px}
table{border-collapse:collapse;width:100%;font-size:12.5px}
th,td{padding:4px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
td.n,th.n{text-align:right}
tfoot td{font-weight:600}
button.primary{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:11px 22px;font-size:15px;cursor:pointer}
button.primary:disabled{opacity:.4;cursor:not-allowed}
#results{margin-top:14px}
.res{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}
.res a{color:var(--brand);text-decoration:none;font-weight:600}
.res a:hover{text-decoration:underline}
footer{color:var(--mute);font-size:12.5px;padding-bottom:30px}