:root{--bg:#f4f7fb;--card:#fff;--text:#132238;--muted:#6b7280;--line:#dbe3ef;--primary:#1769e0;--danger:#c62828;--ok:#117a37;--warn:#ad6a00}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--text)}.app{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f2342;color:#fff;padding:18px;position:fixed;top:0;bottom:0;overflow:auto}.brand{font-size:20px;font-weight:800;margin-bottom:18px}.userbox{background:rgba(255,255,255,.08);border-radius:12px;padding:12px;margin-bottom:16px}.userbox span{font-size:12px;color:#b9c8dd}.sidebar nav a{display:block;color:#eaf2ff;text-decoration:none;padding:10px 12px;border-radius:10px;margin:3px 0}.sidebar nav a:hover{background:rgba(255,255,255,.1)}.main{margin-left:250px;width:calc(100% - 250px);padding:20px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.top h1{margin:0;font-size:26px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px;box-shadow:0 6px 18px rgba(15,35,66,.05)}.grid{display:grid;gap:14px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:28px;font-weight:800;margin-top:6px}table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#eef4fb;font-size:13px}tr:last-child td{border-bottom:none}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}label{display:block;font-weight:700;font-size:13px;margin-bottom:6px}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}textarea{min-height:75px}.btn{display:inline-block;border:0;border-radius:10px;padding:10px 14px;background:var(--primary);color:#fff;text-decoration:none;font-weight:700;cursor:pointer}.btn.secondary{background:#526070}.btn.danger{background:var(--danger)}.btn.ok{background:var(--ok)}.btn.small{padding:7px 10px;font-size:12px}.alert{padding:12px 14px;border-radius:12px;margin-bottom:15px;background:#e8f5e9;color:#0d5726}.alert.error{background:#ffebee;color:#a10d0d}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#e7eef8;color:#254469}.badge.ok{background:#e8f5e9;color:#117a37}.badge.warn{background:#fff3e0;color:#ad6a00}.badge.danger{background:#ffebee;color:#c62828}.actions{display:flex;gap:8px;flex-wrap:wrap}.login{max-width:420px;margin:8vh auto}.login .brand{color:#0f2342}.muted{color:var(--muted)}.right{text-align:right}.section-title{margin:4px 0 12px;font-size:18px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tabs a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 12px;color:var(--text);text-decoration:none}.tabs a.active{background:#0f2342;color:#fff}@media(max-width:900px){.sidebar{position:relative;width:100%;bottom:auto}.app{display:block}.main{margin-left:0;width:100%;padding:14px}.grid.cols-4,.grid.cols-3,.grid.cols-2,.form-grid{grid-template-columns:1fr}.top h1{font-size:22px}table{font-size:13px;display:block;overflow-x:auto}.sidebar nav{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}.sidebar nav a{margin:0}}
.qr{width:160px;height:160px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:6px}.qr.big{width:260px;height:260px}.danger-text{color:var(--danger)}