:root{--bg:#070b12;--panel:#0e1622;--panel2:#121e2d;--line:#203044;--text:#f6f8fb;--muted:#91a1b6;--cyan:#16d9ff;--green:#36e59b;--red:#ff5468}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#05080d,#0a111b);color:var(--text);font:15px system-ui,-apple-system,Segoe UI,Roboto,sans-serif;padding-bottom:82px}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#070b12e8;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{font-size:18px;font-weight:800;letter-spacing:.4px}.brand b,.accent{color:var(--cyan)}.bolt{color:var(--cyan);margin-right:5px}.cart{background:var(--panel2);padding:9px 12px;border-radius:14px}.wrap{max-width:1100px;margin:auto;padding:16px}.hero{padding:26px 20px;border:1px solid #193a4a;border-radius:24px;background:radial-gradient(circle at 80% 10%,#0c4455 0,transparent 38%),linear-gradient(135deg,#101b28,#081019);box-shadow:0 18px 60px #0008}.hero h1{font-size:34px;line-height:1.02;margin:7px 0 10px}.hero p{color:#b8c4d3;max-width:650px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:7px;border:0;border-radius:14px;padding:12px 16px;font-weight:750;cursor:pointer;background:var(--cyan);color:#031017}.btn.secondary{background:#172334;color:#fff;border:1px solid #2a3b50}.btn.danger{background:var(--red);color:white}.search{display:flex;gap:8px;margin:16px 0}.input,select,textarea{width:100%;background:#0d1723;color:white;border:1px solid #24374d;border-radius:13px;padding:12px;outline:none}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{background:linear-gradient(180deg,#101a27,#0c141f);border:1px solid #1e2c3d;border-radius:18px;overflow:hidden}.card img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#fff}.card-body{padding:12px}.tag{display:inline-block;font-size:11px;color:var(--cyan);background:#0d2a35;padding:5px 8px;border-radius:999px}.price{font-size:20px;font-weight:850;margin:8px 0}.muted{color:var(--muted)}h2{margin:25px 0 12px}.chips{display:flex;gap:8px;overflow:auto;padding-bottom:6px}.chip{white-space:nowrap;padding:9px 12px;border-radius:999px;background:#111d2a;border:1px solid #22364a}.bottom{position:fixed;z-index:30;bottom:0;left:0;right:0;height:68px;background:#09101aee;backdrop-filter:blur(12px);border-top:1px solid #213147;display:grid;grid-template-columns:repeat(4,1fr)}.bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:19px}.bottom small{font-size:10px;color:#a8b5c5}.formbox,.summary{background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:18px}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.product-detail{display:grid;gap:18px}.product-detail img{width:100%;border-radius:20px;background:#fff}.qty{width:80px}.notice{padding:12px;border-radius:12px;background:#10263a;border:1px solid #194c6a}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:10px;border-bottom:1px solid #243143;text-align:left}.desktop-nav{display:none}@media(min-width:760px){.grid{grid-template-columns:repeat(4,1fr)}.product-detail{grid-template-columns:1fr 1fr}.bottom{display:none}body{padding-bottom:0}.desktop-nav{display:flex;gap:16px}.hero h1{font-size:52px}}