:root{--bg:#080b10;--panel:#0f1722;--panel2:#111c2b;--line:#263548;--text:#e7edf5;--muted:#8fa3bb;--green:#21f0a2;--green2:rgba(33,240,162,.14);--red:#ff6b6b;--radius:18px;--shadow:0 18px 60px rgba(0,0,0,.35)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#123327 0,#080b10 34%,#06080c 100%);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif}.app{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{border-right:1px solid var(--line);background:rgba(8,11,16,.82);backdrop-filter:blur(14px);padding:24px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:14px;align-items:center;margin-bottom:34px}.logo{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--green),#0aa7ff);display:grid;place-items:center;color:#05100b;font-weight:900;box-shadow:0 0 35px rgba(33,240,162,.22)}.brand h1{font-size:18px;margin:0}.brand p{margin:4px 0 0;color:var(--muted);font-size:12px}.nav{display:grid;gap:10px}.nav a{color:var(--muted);text-decoration:none;padding:13px 14px;border:1px solid transparent;border-radius:14px;font-weight:700}.nav a:hover,.nav a.active{background:var(--green2);border-color:rgba(33,240,162,.35);color:var(--green)}.side-note{position:absolute;left:24px;right:24px;bottom:24px;color:var(--muted);font-size:12px;line-height:1.5;background:#0d1420;border:1px solid var(--line);border-radius:16px;padding:14px}.side-note b{color:var(--text);font-size:11px}.main{padding:34px;max-width:1280px;width:100%}.topbar{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:24px}.eyebrow{color:var(--green);font-weight:900;font-size:12px;text-transform:uppercase;letter-spacing:.14em}.topbar h2{font-size:34px;margin:6px 0 6px}.topbar p{margin:0;color:var(--muted)}.pill{border:1px solid rgba(33,240,162,.45);color:var(--green);background:var(--green2);border-radius:999px;padding:9px 14px;font-size:12px;font-weight:900}.grid{display:grid;grid-template-columns:1.4fr .9fr;gap:22px}.card{background:linear-gradient(180deg,rgba(17,28,43,.96),rgba(12,18,28,.96));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card h3{margin:0 0 18px;font-size:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field label{display:block;margin:0 0 7px;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}select,input{width:100%;height:46px;border-radius:13px;border:1px solid #32445c;background:#0b121d;color:var(--text);padding:0 13px;font-weight:700;outline:none}select:focus,input:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(33,240,162,.08)}.btn-row{display:flex;gap:12px;margin-top:20px}.btn{border:0;border-radius:14px;background:var(--green);color:#04100a;padding:13px 18px;font-weight:950;cursor:pointer}.btn.secondary{background:#182536;color:var(--text);border:1px solid var(--line)}.notice{margin-bottom:18px;border:1px solid rgba(33,240,162,.35);background:var(--green2);color:var(--green);padding:14px 16px;border-radius:15px;font-weight:800}.error{border-color:rgba(255,107,107,.4);background:rgba(255,107,107,.1);color:var(--red)}.sku-preview{border:1px solid rgba(33,240,162,.38);background:linear-gradient(135deg,rgba(33,240,162,.13),rgba(10,167,255,.07));border-radius:18px;padding:20px;margin-bottom:16px}.sku-label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:900}.sku-code{font-family:Consolas,monospace;color:var(--green);font-size:31px;line-height:1.25;word-break:break-all;margin-top:10px;text-shadow:0 0 20px rgba(33,240,162,.18)}.title-box{color:var(--muted);line-height:1.55;background:#0b121d;border:1px solid var(--line);border-radius:15px;padding:15px}.legend{display:grid;gap:9px;margin-top:15px}.tag{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:9px 0;color:var(--muted)}.tag b{color:var(--text)}table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.code{font-family:Consolas,monospace;color:var(--green);font-weight:900}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}@media(max-width:920px){.app{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.side-note{position:static;margin-top:24px}.grid,.form-grid,.admin-grid{grid-template-columns:1fr}.main{padding:20px}.topbar{display:block}.sku-code{font-size:24px}}