:root{--brown:#5a2f17;--gold:#d6a24a;--cream:#fff8ee;--red:#c9272d;--ink:#31241c;--line:#e8d8c3}*{box-sizing:border-box}body{margin:0;font:15px/1.45 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:linear-gradient(120deg,#fff9ee,#f2d3a7);min-height:100vh}header{min-height:112px;padding:12px clamp(16px,4vw,60px);display:flex;align-items:center;gap:16px;background:#fff9f0cc;border-bottom:1px solid #e5cfac;backdrop-filter:blur(7px)}header img{width:84px;height:84px;object-fit:contain}h1{margin:0;font-size:clamp(22px,4vw,32px);color:var(--brown)}h1 em{color:#a44925;font-style:normal}header p{margin:2px 0;color:#7b624d}.status{margin-left:auto;padding:7px 10px;border-radius:20px;background:#f5dfb9;color:#724c18;font-weight:700;font-size:12px}main{max-width:1300px;margin:auto;padding:24px clamp(14px,3vw,35px) 50px}nav{display:flex;gap:8px;margin-bottom:17px}.tab,button{border:0;border-radius:9px;padding:10px 14px;font:inherit;font-weight:700;cursor:pointer}.tab{background:#f8ead7;color:#68462c}.tab.active{background:var(--brown);color:white}.panel{display:none}.panel.active{display:block}.card{background:#fffdf9e8;border:1px solid #ead9c0;border-radius:18px;padding:20px;box-shadow:0 5px 20px #7d4c1a12}.section-title{font-size:20px;font-weight:800;color:var(--brown);margin-bottom:15px}.form-grid,.prizes{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}label{display:flex;flex-direction:column;gap:5px;font-weight:700;font-size:13px;color:#66452b}input,select{width:100%;padding:10px;border:1px solid #dac4a6;border-radius:8px;background:#fff;outline-color:var(--gold);font:inherit;color:var(--ink)}.logo-preview{height:43px;border:1px solid #e6d8c6;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center}.logo-preview img{max-height:37px;max-width:90%;object-fit:contain}.prizes{margin-top:15px;padding-top:15px;border-top:1px solid var(--line)}.dashboard{display:grid;grid-template-columns:285px 1fr;gap:18px;margin-top:18px}.buyer{display:flex;flex-direction:column;gap:10px}.buyer .section-title{margin-bottom:0}.help{margin:0;color:#806d5c;font-size:13px}.selection{background:#fff3df;border:1px dashed #d5a862;border-radius:8px;padding:9px;min-height:40px;font-weight:700;color:#70461e}.total{font-size:16px}.primary{background:var(--red);color:white}.secondary{background:#f5e5cc;color:#68431e}.gold{background:linear-gradient(120deg,#c88a25,#e3b861);color:#fff}.buyer button{width:100%}hr{border:0;border-top:1px solid var(--line);width:100%;margin:3px 0}.grid-card{min-width:0}.grid-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;margin-bottom:14px}.grid-head small{display:block;margin-top:4px;color:#806d5c}.dot{display:inline-block;width:10px;height:10px;border-radius:50%}.dot.sold{background:var(--red)}.dot.available{background:#fff;border:1px solid #bfae9a}.number-grid{display:grid;grid-template-columns:repeat(10,minmax(42px,1fr));gap:7px}.num{aspect-ratio:1;border:1px solid #d6c4ad;background:white;border-radius:8px;font-size:16px;color:#563b25}.num.available:hover,.num.selected{background:#f8dfba;border-color:#c99239}.num.sold{background:var(--red);border-color:#a51a22;color:#fff;cursor:not-allowed}.result-layout{display:grid;grid-template-columns:minmax(260px,.8fr) 1fr;gap:24px}.upload{height:130px;border:2px dashed #d6b47e;border-radius:12px;align-items:center;justify-content:center;background:#fff7e8;cursor:pointer}.upload input{display:none}.result-preview{display:none;margin-top:12px;width:100%;max-height:280px;object-fit:contain;border-radius:10px}.result-preview.show{display:block}.result-inputs{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;align-content:start}.result-inputs button{margin-top:5px}.winners{margin-top:24px}.winner{padding:11px;border-left:5px solid var(--gold);background:#fff6e8;margin:7px 0;border-radius:7px}.winner strong{color:var(--red)}#history{display:grid;gap:8px}.history-row{display:flex;justify-content:space-between;align-items:center;padding:11px;border:1px solid #e8d8c3;border-radius:9px}.history-row button{background:#f5e5cc;color:#68431e}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#382817;color:#fff;padding:11px 16px;border-radius:9px;opacity:0;pointer-events:none;transition:.25s;z-index:5}#toast.show{opacity:1}@media(max-width:800px){header{min-height:82px}header img{width:55px;height:55px}header p{display:none}.form-grid,.prizes{grid-template-columns:repeat(2,1fr)}.dashboard,.result-layout{grid-template-columns:1fr}.number-grid{grid-template-columns:repeat(10,minmax(29px,1fr));gap:4px}.num{font-size:13px;padding:0}.card{padding:14px}.result-inputs{grid-template-columns:1fr}.status{display:none}}@media(max-width:420px){.form-grid,.prizes{grid-template-columns:1fr}.number-grid{grid-template-columns:repeat(10,minmax(25px,1fr))}.num{font-size:11px}}