:root{--bg-dark:#0f172a;--bg-card:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#3b82f6;--accent-hover:#2563eb;--danger:#ef4444;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-dark);color:var(--text-main);min-height:100vh}.app-container{max-width:1200px;margin:0 auto;padding:2rem}.header{text-align:center;margin-bottom:3rem}.header h1{background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.header p{color:var(--text-muted);font-size:1.1rem}.search-section{background:var(--bg-card);border:1px solid #ffffff1a;border-radius:1rem;flex-wrap:wrap;gap:1rem;margin-bottom:2rem;padding:1.5rem;display:flex;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.input-group{flex-direction:column;flex:1;gap:.5rem;min-width:200px;display:flex}.input-group label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem;font-weight:600}.input-group input{color:#fff;background:#0003;border:1px solid #ffffff1a;border-radius:.5rem;padding:.75rem 1rem;font-size:1rem;transition:border-color .2s,box-shadow .2s}.input-group input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #3b82f633}.search-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:.5rem;align-self:flex-end;align-items:center;gap:.5rem;height:42px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:background-color .2s;display:flex}.search-btn:hover{background:var(--accent-hover)}.search-btn:disabled{background:var(--text-muted);cursor:not-allowed}.filters{flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;display:flex}.filter-btn{color:var(--text-muted);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:2rem;padding:.5rem 1rem;transition:all .2s}.filter-btn:hover{color:#fff;background:#ffffff1a}.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.card{background:var(--bg-card);border:1px solid #ffffff0d;border-radius:1rem;flex-direction:column;transition:transform .2s,box-shadow .2s;display:flex;overflow:hidden}.card:hover{border-color:#ffffff1a;transform:translateY(-4px);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.card-img-container{background:#fff;justify-content:center;align-items:center;height:200px;padding:1rem;display:flex;position:relative}.card-img{object-fit:contain;max-width:100%;max-height:100%}.merchant-badge{background:#000000b3;border-radius:.5rem;align-items:center;gap:.5rem;padding:.25rem .5rem;display:flex;position:absolute;top:10px;left:10px}.merchant-badge img{border-radius:50%;width:20px;height:20px}.merchant-badge span{font-size:.75rem;font-weight:600}.card-content{flex-direction:column;flex:1;padding:1.5rem;display:flex}.card-title{color:var(--text-main);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:1rem;font-size:1rem;font-weight:500;line-height:1.4;display:-webkit-box;overflow:hidden}.price-section{margin-top:auto}.current-price{color:var(--success);margin-bottom:.25rem;font-size:1.5rem;font-weight:800}.sale-story{color:var(--danger);font-size:.875rem;font-weight:600}.validity{color:var(--text-muted);margin-top:.5rem;font-size:.75rem}.loading,.error,.no-results{text-align:center;color:var(--text-muted);padding:3rem;font-size:1.25rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}