:root{color-scheme:light;--bg: #f6f7f9;--surface: #ffffff;--border: #d8dee6;--text: #111827;--muted: #4b5563;--accent: #0f4c81;--accent-text: #ffffff;--danger: #b91c1c;--warn-bg: #fef3c7;--warn-text: #92400e;--ok-bg: #dcfce7;--ok-text: #166534}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #2563eb;outline-offset:2px}.shell{min-height:100vh;display:grid;grid-template-columns:220px 1fr;grid-template-rows:56px 1fr}.topbar{grid-column:1 / -1;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 1rem}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1rem;display:flex;flex-direction:column;gap:.5rem}.nav-btn{text-align:left;background:transparent;border:1px solid transparent;padding:.5rem .75rem;border-radius:6px;cursor:pointer;font-size:.95rem;color:var(--text)}.nav-btn[aria-current=page]{background:#eef4fa;border-color:#bfd4ea;font-weight:600}.main{padding:1.5rem;max-width:980px;width:100%}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;margin-bottom:1rem}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:.55rem 1rem;font-weight:600;cursor:pointer}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.5rem .9rem;cursor:pointer}.btn:disabled{opacity:.55;cursor:not-allowed}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.9rem}.field input,.field select{padding:.5rem .65rem;border:1px solid var(--border);border-radius:6px;font-size:.95rem}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:var(--danger);padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}.alert-warn{background:var(--warn-bg);color:var(--warn-text);padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}.badge{display:inline-block;font-size:.78rem;font-weight:600;padding:.15rem .5rem;border-radius:999px;background:#e5e7eb}.badge-active{background:var(--ok-bg);color:var(--ok-text)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.65rem .5rem;border-bottom:1px solid var(--border)}@media(max-width:768px){.shell{grid-template-columns:1fr;grid-template-rows:56px auto 1fr}.sidebar{flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border)}}