:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;--brand:#3056d3;--green:#178a55;--red:#c93434;--yellow:#b77900}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--brand);text-decoration:none}.container{max-width:1200px;margin:auto;padding:24px}.topbar{background:#172033;color:#fff}.topbar .container{display:flex;align-items:center;justify-content:space-between;padding-block:14px}.topbar a{color:#fff}.brand{font-weight:750;font-size:19px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 1px 2px #1018280d}.stat strong{display:block;font-size:28px}.muted{color:var(--muted)}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:20px 0}.button,button{border:0;border-radius:8px;padding:10px 14px;background:var(--brand);color:#fff;cursor:pointer}.button.secondary,button.secondary{background:#475467}.button.danger,button.danger{background:var(--red)}input,select{width:100%;padding:10px;border:1px solid #cfd4dc;border-radius:8px;background:#fff}.toolbar select{width:auto;min-width:160px}label{display:block;margin-bottom:14px;font-weight:600}label span{display:block;margin-bottom:5px}.sites{display:grid;gap:12px}.site{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr auto;align-items:center;gap:16px}.status{font-weight:750}.online{color:var(--green)}.problem{color:var(--red)}.attention{color:var(--yellow)}.actions{display:flex;gap:7px;align-items:center}.actions form{margin:0}.actions button{padding:7px 10px}.flash{padding:12px;border-radius:8px;background:#e8f0ff;margin:16px 0}.error{background:#fee4e2;color:#912018}.login{max-width:420px;margin:10vh auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full{grid-column:1/-1}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.site{grid-template-columns:1fr 1fr}.site>div:first-child,.actions{grid-column:1/-1}}@media(max-width:520px){.grid,.form-grid{grid-template-columns:1fr}.container{padding:14px}}