*{box-sizing:border-box}
:root{--bg:#f4f6f8;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--accent:#0f6cbf;--accent2:#0b579b;--ok:#087a55;--warn:#a65f00;--bad:#b42318}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--accent)}
.wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}
.topbar{background:#fff;border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;min-height:64px}
.brand{text-decoration:none;font-size:21px;font-weight:800;color:var(--text)}
.brand span{color:var(--accent)}
.topbar nav{display:flex;gap:18px;align-items:center}
.user-label{color:var(--muted);font-size:14px}
main.wrap{padding-top:28px;padding-bottom:48px}
.footer{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:13px;background:#fff}
.page-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}
h1{margin:0 0 7px;font-size:30px}
h2{font-size:20px;margin:0 0 16px}
.muted{color:var(--muted)}
.badge{background:#e8f2fb;color:var(--accent2);padding:6px 10px;border-radius:999px;font-size:13px;font-weight:700}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:20px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}
.stat span{display:block;color:var(--muted);font-size:14px}
.stat strong{display:block;font-size:31px;margin-top:5px}
.stat.warn{border-color:#efc27a}
.panel,.auth-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:20px}
.auth-card{max-width:480px;margin:42px auto}
.auth-card form{display:grid;gap:16px}
label{display:grid;gap:7px;font-weight:650;font-size:14px}
input{width:100%;border:1px solid #cfd5dd;border-radius:8px;padding:11px 12px;font:inherit;background:#fff}
input:focus{outline:2px solid #b8daf7;border-color:var(--accent)}
button{border:0;border-radius:8px;padding:11px 16px;background:var(--accent);color:#fff;font-weight:750;font-size:15px;cursor:pointer}
button:hover{background:var(--accent2)}
.notice{padding:11px 13px;border-radius:8px;margin:14px 0}
.notice.error{background:#fff1f0;color:var(--bad);border:1px solid #f4b8b3}
.notice.success{background:#edf9f4;color:var(--ok);border:1px solid #adddca}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 9px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:#4b5563;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.next-step{border-left:4px solid var(--accent)}
@media(max-width:850px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.stats-grid{grid-template-columns:1fr}.topbar-inner{align-items:flex-start;padding:14px 0;gap:10px;flex-direction:column}.page-head{flex-direction:column}.wrap{width:min(100% - 20px,1180px)}}

.diag-link{display:inline-flex;align-items:center;padding:6px 9px;border:1px solid #cfe0ef;border-radius:7px;text-decoration:none;background:#f7fbff;font-weight:700}
.footer-inner{display:flex;justify-content:space-between;gap:16px;align-items:center}
.version-label{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#4b5563}
@media(max-width:560px){.footer-inner{align-items:flex-start;flex-direction:column}}

.import-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.upload-form{display:grid;gap:15px}
button:disabled{opacity:.55;cursor:not-allowed}
@media(max-width:760px){.import-grid{grid-template-columns:1fr}}