:root{--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--primary2:#1d4ed8;--red:#dc2626;--green:#16a34a;--orange:#ea580c;--shadow:0 14px 35px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit}.top{height:60px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:2;backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:10px;font-weight:900}.logo{width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center}.wrap{max-width:1120px;margin:0 auto;padding:28px 18px}.hero{min-height:calc(100vh - 60px);display:grid;place-items:center;text-align:center;background:linear-gradient(135deg,#eff6ff,#fff)}.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.02;margin:14px 0;font-weight:950;letter-spacing:-.05em}.blue{color:var(--primary)}.pill{display:inline-flex;background:#dbeafe;color:#1d4ed8;border-radius:999px;padding:8px 13px;font-size:14px;font-weight:700}.hero p{font-size:20px;line-height:1.55;color:var(--muted);max-width:760px;margin:0 auto 28px}.btn{border:0;border-radius:9px;background:var(--primary);color:#fff;padding:10px 15px;font-weight:800;cursor:pointer;display:inline-flex;gap:8px;align-items:center;text-decoration:none}.btn:hover{background:var(--primary2)}.btn.secondary{background:#e2e8f0;color:#0f172a}.btn.danger{background:#dc2626}.btn.ghost{background:transparent;color:#0f172a;border:1px solid var(--border)}.btn:disabled{opacity:.6;cursor:not-allowed}.grid{display:grid;gap:16px}.grid.cards{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.card h3{margin:0 0 6px}.muted{color:var(--muted)}.features{padding:55px 18px}.stores{background:#fff;border-block:1px solid var(--border);padding:24px;text-align:center}.chips{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:12px}.chip{background:#e2e8f0;border-radius:999px;padding:9px 13px;font-weight:800;font-size:13px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.login{max-width:430px;margin:70px auto}.input,select,textarea{width:100%;border:1px solid var(--border);border-radius:9px;padding:10px 12px;background:white;color:var(--text);font-size:14px}label{font-size:13px;font-weight:800;display:block;margin:10px 0 6px}.toolbar{margin:16px 0}.stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:18px}.stat b{font-size:28px}.table{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden}.tr{display:grid;grid-template-columns:120px 1fr 140px 120px 130px;gap:10px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border)}.tr:last-child{border-bottom:0}.th{background:#f1f5f9;font-weight:900;color:#475569}.price{font-weight:950}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:900;background:#e2e8f0}.badge.ok{background:#dcfce7;color:#166534}.badge.err{background:#fee2e2;color:#991b1b}.badge.warn{background:#ffedd5;color:#9a3412}.actions{display:flex;gap:6px;justify-content:flex-end}.small{font-size:12px}.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;padding:18px;z-index:5}.modal{background:#fff;border-radius:18px;max-width:680px;width:100%;max-height:90vh;overflow:auto;padding:20px;box-shadow:0 30px 70px rgba(0,0,0,.25)}.modal h2{margin-top:0}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.toast{position:fixed;right:18px;bottom:18px;background:#0f172a;color:#fff;border-radius:12px;padding:13px 16px;box-shadow:var(--shadow);display:none;z-index:10}.toast.show{display:block}.toast.error{background:#991b1b}.toast.success{background:#166534}.history{max-height:420px;overflow:auto}.hist{padding:10px;border-bottom:1px solid var(--border);font-size:13px}.empty{text-align:center;padding:50px 20px;color:var(--muted)}@media(max-width:850px){.tr{grid-template-columns:1fr;align-items:start}.th{display:none}.actions{justify-content:flex-start}.two{grid-template-columns:1fr}.top{padding:0 12px}.wrap{padding:18px 12px}}