:root{--primary:#0066FF;--primary-hover:#0052CC;--primary-light:#E6F0FF;--primary-dark:#004DB3;--success:#36B37E;--success-light:#E3FCEF;--error:#FF5630;--error-light:#FFEBE6;--warning:#FFAB00;--warning-light:#FFFAE6;--gray-50:#F9FAFB;--gray-100:#F4F5F7;--gray-200:#E5E7EB;--gray-300:#D1D5DB;--gray-400:#9CA3AF;--gray-500:#6B7280;--gray-600:#4B5563;--gray-700:#374151;--gray-800:#1F2937;--gray-900:#111827;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.07),0 2px 4px -2px rgba(0,0,0,0.05);--shadow-lg:0 10px 25px -3px rgba(0,0,0,0.08),0 4px 10px -4px rgba(0,0,0,0.04);--shadow-xl:0 20px 40px -8px rgba(0,0,0,0.1);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica 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1.25rem;border-radius:var(--radius-sm);transition:all .15s ease;border:none;cursor:pointer}.pdfq-header .cta-btn:hover{background:var(--primary-hover);box-shadow:0 4px 12px rgba(0,102,255,.3)}.pdfq-hero{background:linear-gradient(135deg,var(--primary-light) 0,#fff 50%,#f0f7ff 100%);padding:80px 0 60px}.dark .pdfq-hero{background:linear-gradient(135deg,#0f172a 0,#1e293b 50%,#0f172a 100%)}.pdfq-hero h1{font-size:3.25rem;font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--gray-900)}.dark .pdfq-hero h1{color:#f1f5f9}.pdfq-hero .hero-subtitle{font-size:1.25rem;color:#4b5563;max-width:640px;margin:0 auto;line-height:1.6}.dark .pdfq-hero .hero-subtitle{color:var(--gray-400)}@media (max-width:768px){.pdfq-hero{padding:48px 0 40px}.pdfq-hero h1{font-size:2rem}.pdfq-hero .hero-subtitle{font-size:1.0625rem}}.upload-area{border:2px dashed var(--gray-300);border-radius:var(--radius-lg);background:#fff;transition:all .25s 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