:root{--bg:#070707;--panel:#111;--gold:#d7a12b;--gold2:#f4c04f;--cream:#fff3cf;--line:rgba(215,161,43,.45)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:white;font-family:Arial,sans-serif}.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.side{background:#030303;border-right:1px solid var(--line);padding:20px;position:sticky;top:0;height:100vh}.side img{width:155px}.side a{display:block;color:var(--cream);padding:13px 12px;border-radius:8px;text-decoration:none;margin:6px 0}.side a:hover,.side a.active{background:rgba(215,161,43,.13);color:var(--gold2)}.main{padding:24px}.top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin:14px 0}.btn,button{background:linear-gradient(135deg,var(--gold2),var(--gold));border:0;color:#050505;font-weight:900;border-radius:8px;padding:11px 16px;cursor:pointer}.secondary{background:#171717;color:white;border:1px solid var(--line)}.danger{background:#5c1010;color:white}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.metric strong{font-size:28px;color:var(--gold2)}.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form label{display:grid;gap:6px;color:var(--cream);font-size:13px}.form input,.form textarea,.form select{padding:12px;border-radius:8px;border:1px solid var(--line);background:#050505;color:white}.form textarea{min-height:85px}.full{grid-column:1/-1}.product-row{display:grid;grid-template-columns:70px 1fr auto auto;gap:12px;align-items:center;border-bottom:1px solid rgba(255,255,255,.08);padding:10px 0}.product-row img{width:70px;height:70px;object-fit:cover;border-radius:8px}.note{background:#fff3cf;color:#111;border-radius:10px;padding:13px;line-height:1.5}.drop{border:2px dashed var(--line);border-radius:12px;padding:18px;text-align:center;color:var(--cream);background:#070707}.preview{max-width:170px;border:1px solid var(--line);border-radius:10px;margin-top:10px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.tabs button{background:#171717;color:white;border:1px solid var(--line)}@media(max-width:850px){.app{grid-template-columns:1fr}.side{height:auto;position:relative}.cards,.form,.product-row{grid-template-columns:1fr}.main{padding:15px}.btn,button{width:100%;min-height:48px}}