:root{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#172026;background:#f6f7f8;line-height:1.45;--accent:#087f5b;--ink:#172026;--muted:#68747d;--line:#dce2e6;--panel:#fff;--danger:#c92a2a}
*{box-sizing:border-box}body{margin:0}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 28px;background:#fff;border-bottom:1px solid var(--line)}.brand{font-weight:800;font-size:22px;color:var(--ink);text-decoration:none}.topbar nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.topbar a{color:var(--ink);text-decoration:none}.topbar nav a{padding:8px 10px;border-radius:6px}.topbar nav a:hover{background:#eef7f3}
main{max-width:1180px;margin:0 auto;padding:24px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin-bottom:22px}.hero h1{font-size:clamp(32px,5vw,56px);line-height:1.02;margin:0 0 14px}.hero p{color:var(--muted);font-size:18px}.hero img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px}.toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:18px 0;flex-wrap:wrap}.search{min-width:260px;flex:1;max-width:440px}.chips{display:flex;gap:8px;overflow:auto;padding-bottom:4px}.chip,.btn,button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:6px;padding:9px 12px;cursor:pointer;text-decoration:none;font:inherit}.chip.active,.btn.primary,button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.danger,button.danger{background:var(--danger);border-color:var(--danger);color:#fff}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.product img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#e9ecef}.card-body{padding:14px}.product h3{font-size:17px;margin:0 0 6px}.muted{color:var(--muted)}.price{font-weight:800;color:#0b6b4b}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.detail{display:grid;grid-template-columns:minmax(280px,480px) 1fr;gap:24px}.detail img{width:100%;border-radius:8px;aspect-ratio:1/1;object-fit:cover}.panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:10px;font:inherit;background:#fff}textarea{min-height:88px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.full{grid-column:1/-1}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.table th{font-size:13px;color:#495057;background:#f1f3f5}.qty{max-width:82px}.notice{padding:10px 12px;border-radius:6px;background:#fff4e6;border:1px solid #ffd8a8}.error{padding:10px 12px;border-radius:6px;background:#fff5f5;border:1px solid #ffc9c9;color:#b42318}.admin-layout{display:grid;grid-template-columns:230px 1fr;gap:18px}.sidebar{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px;align-self:start;position:sticky;top:76px}.sidebar button{width:100%;text-align:left;margin:3px 0}.sidebar button.active{background:#e6fcf5;border-color:#96f2d7}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.kpi{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}.kpi strong{display:block;font-size:24px}.qr{max-width:260px;width:100%;border:1px solid var(--line);border-radius:8px;background:#fff}.actions{display:flex;gap:8px;flex-wrap:wrap}.small{font-size:13px}.hidden{display:none!important}
@media(max-width:900px){main{padding:16px}.hero,.detail,.admin-layout{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.kpis{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.form-grid{grid-template-columns:1fr}.topbar{padding:10px 14px;align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.grid{grid-template-columns:1fr}.kpis{grid-template-columns:1fr}.toolbar{align-items:stretch}.search{min-width:0;max-width:none}.topbar nav{gap:6px}.topbar nav a{padding:7px 8px}.hero h1{font-size:34px}}