:root{--bg:#f6f7f9;--surface:#fff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--primary:#0b6bcb;--primary-text:#fff;--danger:#c62828;--ok:#1b7f3b;--radius:10px;--shadow:0 1px 2px #0000000f;color:var(--text);background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--surface:#181b21;--text:#e6e8eb;--muted:#9aa1ab;--border:#2a2f37;--primary:#4aa3ff;--primary-text:#0b1220}}*{box-sizing:border-box}body{background:var(--bg);margin:0}a{color:var(--primary)}.shell{grid-template-columns:220px 1fr;min-height:100vh;display:grid}.shell-nav{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;gap:4px;padding:16px 12px;display:flex}.shell-nav a{color:var(--text);border-radius:8px;padding:8px 10px;text-decoration:none}.shell-nav a.active,.shell-nav a:hover{background:var(--bg)}.shell-brand{padding:4px 10px 16px;font-size:18px;font-weight:700}.shell-main{min-width:0;padding:24px}.shell-top{color:var(--muted);justify-content:flex-end;align-items:center;gap:12px;margin-bottom:16px;display:flex}@media (width<=720px){.shell{grid-template-columns:1fr}.shell-nav{border-right:0;border-bottom:1px solid var(--border);flex-flow:wrap}.shell-main{padding:16px}}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.page-header h1{margin:0;font-size:22px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.stack{flex-direction:column;gap:12px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;border-radius:8px;padding:8px 14px}.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--primary-text)}.btn-danger{color:var(--danger)}.btn:disabled{opacity:.6;cursor:default}.field{flex-direction:column;gap:4px;display:flex}.field label{color:var(--muted);font-size:13px}.input,.select{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;min-width:0;padding:8px 10px}.field-error{color:var(--danger);font-size:13px}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 10px}.table th{color:var(--muted);font-size:13px;font-weight:600}.table-wrap{overflow-x:auto}.muted{color:var(--muted)}.badge{border:1px solid var(--border);border-radius:999px;padding:2px 8px;font-size:12px;display:inline-block}.badge-ok{color:var(--ok);border-color:currentColor}.badge-danger{color:var(--danger);border-color:currentColor}.toasts{z-index:50;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:16px;right:16px}.toast{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);box-shadow:var(--shadow);border-radius:8px;max-width:360px;padding:10px 14px}.toast-error{border-left-color:var(--danger)}.center-page{place-items:center;min-height:100vh;padding:16px;display:grid}.login-card{width:100%;max-width:380px}fieldset.stack{border:0;margin:0;padding:0}fieldset.stack>legend{color:var(--muted);padding:0;font-size:13px}