:root{--bg:#f5f7f8;--ink:#16201f;--muted:#65716f;--line:#dbe3e1;--surface:#ffffff;--accent:#0f766e;--accent-dark:#115e59;--danger:#b42318;--focus:#0284c7}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;letter-spacing:0;margin:0}button,input,select,textarea{font:inherit}button{align-items:center;background:var(--accent);border:1px solid var(--accent);border-radius:8px;color:#ffffff;cursor:pointer;display:inline-flex;font-weight:700;gap:8px;justify-content:center;min-height:38px;padding:0 12px}button.secondary{background:#ffffff;color:var(--accent-dark)}button.danger{background:var(--danger);border-color:var(--danger)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}.sidebar{background:#17211f;color:#ffffff;padding:20px}.brand{align-items:center;display:flex;font-size:19px;font-weight:800;gap:10px;margin-bottom:24px}.nav{display:grid;grid-gap:8px;gap:8px}.nav button{justify-content:flex-start;width:100%}.nav button.secondary{background:transparent;border-color:rgba(255,255,255,.2);color:#ffffff}.content{padding:24px}.topline{align-items:center;display:flex;gap:16px;justify-content:space-between;margin-bottom:18px}.topline h1{font-size:30px;margin:0}.surface{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px}.grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.metric{background:#ffffff;border:1px solid var(--line);border-radius:8px;padding:16px}.metric strong{display:block;font-size:28px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;min-width:760px;width:100%}td,th{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}th{color:var(--muted);font-size:13px;text-transform:uppercase}.form-grid{display:grid;grid-gap:10px;gap:10px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:18px}.field{display:grid;grid-gap:6px;gap:6px}.field span{color:var(--muted);font-size:13px;font-weight:700}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:8px;min-height:38px;padding:8px 10px;width:100%}.actions{display:flex;flex-wrap:wrap;gap:8px}.status{color:var(--muted);margin:10px 0}.login{display:grid;min-height:100vh;place-items:center;padding:20px}.login .surface{max-width:420px;width:100%}@media (max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:static}}