:root{--bg:#0f172a;--panel:#ffffff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#166534;--danger:#991b1b;--warn:#92400e}
*{box-sizing:border-box}body{margin:0;background:#f3f4f6;color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:#0f4c81;text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1200px;margin:0 auto;padding:18px}.topbar{display:flex;justify-content:space-between;align-items:center;background:var(--bg);color:#fff;padding:16px 18px;border-radius:14px;margin-bottom:18px}.topbar h1{margin:0;font-size:24px}.topbar .sub{font-size:13px;color:#cbd5e1}.topbar nav a{color:#fff;margin-left:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:18px;box-shadow:0 2px 8px rgba(0,0,0,.04)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}.stat .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.stat .value{font-size:28px;font-weight:700;margin-top:8px}.flash{padding:12px 14px;border-radius:10px;margin:0 0 12px 0}.flash.ok{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.flash.warn{background:#fef3c7;color:#92400e}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}th{background:#f9fafb}input,select,textarea,button{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:10px;font:inherit}button,.btn{display:inline-block;width:auto;background:var(--accent);color:#fff;border:none;padding:10px 14px;border-radius:10px;cursor:pointer}.btn-secondary{background:#475569}.btn-danger{background:var(--danger)}form.inline{display:inline}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.small{font-size:12px;color:var(--muted)}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e5e7eb;font-size:12px}.badge.active{background:#dcfce7;color:#166534}.badge.off{background:#fee2e2;color:#991b1b}.right{text-align:right}