:root{--bg:#070b14;--card:#101827;--card2:#141f33;--text:#f6f8ff;--muted:#9aa8c7;--line:#263248;--brand:#6ee7ff;--brand2:#a78bfa;--danger:#ff6b6b;--ok:#34d399;--warning:#fbbf24}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#14213d 0,#070b14 38%,#050711 100%);color:var(--text)}a{color:inherit;text-decoration:none}.container{width:min(1150px,92%);margin:auto}.btn{border:0;border-radius:14px;padding:13px 18px;font-weight:800;cursor:pointer;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#07111f;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.secondary{background:#1b2940;color:#fff;border:1px solid var(--line)}.btn.danger{background:var(--danger);color:#fff}.hero{padding:48px 0}.grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}.card{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.12);border-radius:28px;padding:24px;box-shadow:0 25px 80px rgba(0,0,0,.35);backdrop-filter:blur(14px)}.product-img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:24px;background:#111827;border:1px solid var(--line)}h1{font-size:clamp(34px,5vw,64px);line-height:1.02;margin:0 0 14px}.lead{color:var(--muted);font-size:18px;line-height:1.6}.price{display:flex;gap:12px;align-items:center;margin:16px 0}.price .offer{font-size:34px;font-weight:900}.price .old{text-decoration:line-through;color:var(--muted)}.pill{display:inline-flex;padding:8px 12px;border-radius:99px;background:rgba(110,231,255,.12);border:1px solid rgba(110,231,255,.25);color:#bff6ff;font-weight:700;font-size:13px}.form-grid{display:grid;gap:13px}input,textarea,select{width:100%;padding:14px;border-radius:14px;border:1px solid var(--line);background:#0c1424;color:#fff;outline:none}textarea{min-height:92px;resize:vertical}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.feature{background:#0d1525;border:1px solid var(--line);border-radius:18px;padding:16px;color:#dbe7ff}.notice{padding:18px;border-radius:18px;background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.25);color:#ffe7a3}.admin-wrap{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:#071020;border-right:1px solid var(--line);padding:22px;position:sticky;top:0;height:100vh}.sidebar h2{margin-top:0}.nav a{display:block;padding:13px 14px;border-radius:14px;color:#c8d6f4;margin-bottom:8px}.nav a:hover,.nav a.active{background:#14223a;color:#fff}.main{padding:26px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px}.stat b{font-size:28px}.table{width:100%;border-collapse:collapse;background:var(--card);border-radius:18px;overflow:hidden}.table th,.table td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{color:#b9c7e6;background:#0b1425}.badge{padding:6px 10px;border-radius:99px;font-size:12px;font-weight:800}.badge.paid,.badge.in_stock{background:rgba(52,211,153,.14);color:#8ff0c4}.badge.pending{background:rgba(251,191,36,.14);color:#ffe08a}.badge.failed,.badge.out_of_stock{background:rgba(255,107,107,.14);color:#ffabab}.login{min-height:100vh;display:grid;place-items:center}.login .card{width:min(420px,92%)}.alert{padding:14px;border-radius:14px;margin:12px 0}.alert.ok{background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.25)}.alert.err{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.25)}@media(max-width:850px){.grid,.admin-wrap{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.stats,.features{grid-template-columns:1fr}.table{display:block;overflow-x:auto}h1{font-size:36px}}