:root{--primary:#2563eb;--primary-hover:#1d4ed8;--bg-body:#f3f4f6;--bg-card:#fff;--text-main:#111827;--text-muted:#6b7280;--border-color:#e5e7eb;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--radius:12px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}body,html{margin:0;padding:0;font-family:var(--font-sans);background-color:var(--bg-body);background-image:radial-gradient(at 0 0,rgba(37,99,235,.08) 0,transparent 50%),radial-gradient(at 100% 100%,rgba(37,99,235,.08) 0,transparent 50%);background-attachment:fixed;color:var(--text-main);-webkit-font-smoothing:antialiased}.layout{max-width:1200px;margin:0 auto;padding:40px 20px}header{margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}h1{margin:0;font-size:24px;font-weight:700;letter-spacing:-.025em}h2{font-size:20px;margin-bottom:16px}h2,h3{font-weight:600}h3{font-size:18px;margin-bottom:12px}p{line-height:1.6}.tagline{margin:4px 0 0;font-size:14px;color:var(--text-muted)}.search-wrapper{max-width:600px;margin:0 auto 40px}.search-bar{display:flex;gap:10px;margin-bottom:12px}.search-bar input{flex:1 1;padding:14px 20px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:16px;transition:all .2s ease;box-shadow:var(--shadow-sm)}.search-bar input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.15)}.search-bar button{padding:12px 24px;font-weight:600;font-size:16px}button{background:linear-gradient(to bottom,var(--primary),var(--primary-hover));color:#fff;border:none;border-radius:var(--radius);padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 2px rgba(0,0,0,.1)}button:hover:not(:disabled){background:linear-gradient(to bottom,var(--primary-hover),#1e40af);transform:translateY(-1px);box-shadow:0 4px 6px -1px rgba(37,99,235,.2)}button:active:not(:disabled){transform:translateY(0);box-shadow:0 1px 2px rgba(0,0,0,.1)}button:disabled{opacity:.6;cursor:not-allowed;background:#9ca3af;box-shadow:none}.btn-full{width:100%;margin-top:auto}.btn-outline{background:#fff;border:1px solid var(--border-color);color:var(--text-main);box-shadow:var(--shadow-sm)}.btn-outline:hover{background:#f9fafb;border-color:#d1d5db;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-sm{padding:6px 12px;font-size:13px}.btn-topup{background:var(--primary);color:#fff;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;text-decoration:none;margin-left:8px;transition:transform 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2px rgba(37,99,235,.1)}.signature-box.selected{border-color:var(--primary);background:#eff6ff;box-shadow:0 0 0 2px var(--primary)}.signature-box img{max-width:100%;max-height:100%;object-fit:contain}.sig-name{font-size:14px;font-weight:600;margin-top:10px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.signature-item{display:flex;flex-direction:column;gap:8px;height:100%}.signature-item.selected-sig .signature-box{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary)}.refresh-btn{position:absolute;top:4px;right:4px;padding:4px;background:hsla(0,0%,100%,.9);border:1px solid var(--border-color);border-radius:50%;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-muted);transition:all 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rgba(37,99,235,.2)}.poster-canvas{position:relative;box-shadow:0 20px 40px -10px rgba(0,0,0,.2);border-radius:4px;overflow:hidden;background:#fff;max-width:100%;transition:box-shadow .3s}.poster-canvas:hover{box-shadow:0 25px 50px -12px rgba(0,0,0,.25)}.poster-img{display:block;max-width:100%;max-height:70vh;width:auto;height:auto}.watermark{position:absolute;inset:0;pointer-events:none;align-items:center;opacity:.65;font-size:4rem;font-weight:300;color:hsla(0,0%,100%,.95);transform:rotate(-45deg);text-shadow:0 2px 14px rgba(0,0,0,.75);z-index:10;-webkit-user-select:none;-moz-user-select:none;user-select:none}.action-bar,.watermark{display:flex;justify-content:center}.action-bar{margin-top:24px;flex-wrap:wrap;gap:12px;width:100%}.btn-secondary{background:#fff;border:1px solid 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button{width:100%}.action-bar div{width:100%;justify-content:center;margin-left:0!important;margin-top:12px}}@media (max-width:480px){ul.results{grid-template-columns:1fr}.signatures{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}}@media (max-width:768px){.header-container{height:auto;padding:16px 20px;flex-direction:column;gap:16px}.user-menu{border-left:none;padding-left:0;flex-wrap:wrap;justify-content:center}.user-info{align-items:center;width:100%;margin-bottom:8px}}@media (max-width:1024px){.workspace-container{flex-direction:column;align-items:center}.workspace-sidebar{width:100%;max-width:600px}.poster-img{max-height:60vh}}