:root{--brand:#b91c1c;--dark:#7f1d1d;--bg:#f6f7f9;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#d1d5db;--nav:#111827}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.login{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card,.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 24px rgba(0,0,0,.08)}.login-card{width:min(420px,100%);padding:28px}.brand{background:linear-gradient(135deg,var(--brand),var(--dark));color:#fff;padding:22px;border-radius:16px;margin-bottom:18px}.brand h1{margin:0 0 6px}.layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:var(--nav);color:#fff;padding:18px;position:sticky;top:0;height:100vh;overflow:auto}.sidebar h2{font-size:19px;margin:0 0 16px}.nav-section{border-top:1px solid rgba(255,255,255,.14);padding-top:14px;margin-top:14px}.nav-title{font-weight:bold;margin-bottom:8px;color:#fca5a5}.nav-btn,.side-shop{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:10px;border:0;margin:7px 0;background:#1f2937;color:#fff;cursor:pointer}.nav-btn:hover,.side-shop:hover{background:#374151}.danger{background:#991b1b!important}.main{padding:24px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}.card{padding:18px;margin-bottom:18px}.card h2{margin:0 0 14px;color:var(--dark);border-bottom:2px solid #fee2e2;padding-bottom:8px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}label{display:block;font-weight:bold;font-size:13px;margin-bottom:6px}input,select,textarea{width:100%;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff}textarea{min-height:78px;resize:vertical}button,.btn{display:inline-block;border:0;border-radius:10px;padding:11px 15px;background:var(--brand);color:#fff;font-weight:bold;cursor:pointer}.btn.secondary,button.secondary{background:#374151}.btn.light,button.light{background:#fff;color:var(--text);border:1px solid var(--line)}table{width:100%;border-collapse:collapse;background:#fff}th,td{border:1px solid var(--line);padding:10px;vertical-align:top}th{background:#f3f4f6;text-align:left;font-size:13px}.actions{display:flex;gap:8px;flex-wrap:wrap}.muted{color:var(--muted);font-size:13px}.form-panel{display:none}.form-panel.active{display:block}.notice{padding:12px 14px;border-radius:12px;background:#ecfdf5;border:1px solid #bbf7d0;margin-bottom:14px}.error{background:#fef2f2;border-color:#fecaca}.camera-box{border:2px dashed var(--line);border-radius:14px;padding:14px;background:#fafafa;margin-bottom:14px}video,canvas,.photo-preview{max-width:100%;border-radius:12px;border:1px solid var(--line);margin-top:10px}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.history-list{display:grid;gap:10px}.history-item{border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;justify-content:space-between;gap:12px;align-items:center;background:#fff}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.grid,.photo-grid{grid-template-columns:1fr}.topbar{display:block}.main{padding:14px}table,thead,tbody,tr,td,th{display:block}thead{display:none}tr{margin-bottom:12px;border:1px solid var(--line);border-radius:12px;overflow:hidden}td,th{border:0;border-bottom:1px solid var(--line)}}@media print{.sidebar,.topbar,.no-print,button,.btn{display:none!important}.layout{display:block}.main{padding:0}.card{box-shadow:none}}