@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");:root{--bg-primary:#f9f9fb;--bg-secondary:#ffffff;--bg-card:#ffffff;--bg-input:#ffffff;--bg-input-focus:#ffffff;--accent-primary:#2563eb;--accent-primary-hover:#1d4ed8;--accent-secondary:#0f172a;--accent-glow:rgba(37,99,235,0.05);--success:#059669;--success-bg:#ecfdf5;--success-border:#d1fae5;--error:#dc2626;--error-bg:#fef2f2;--error-border:#fee2e2;--warning:#d97706;--warning-bg:#fffbeb;--warning-border:#fef3c7;--text-primary:#1e293b;--text-secondary:#475569;--text-muted:#94a3b8;--text-accent:#2563eb;--border-subtle:#e2e8f0;--border-medium:#cbd5e1;--border-accent:#bfdbfe;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -1px rgba(0,0,0,0.03);--shadow-lg:0 10px 15px -1px rgba(0,0,0,0.04),0 4px 6px -1px rgba(0,0,0,0.02);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--transition-fast:150ms ease;--transition-base:250ms ease}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh}.app-container{max-width:680px;margin:0 auto;padding:3rem 1.5rem;display:flex;flex-direction:column;min-height:100vh}.header{text-align:center;margin-bottom:3.5rem}.header h1{font-size:2.25rem;font-weight:800;color:var(--accent-secondary);letter-spacing:-.02em;margin-bottom:.75rem;line-height:1.2}.header p{color:var(--text-secondary);font-size:1rem;max-width:480px;margin:0 auto}.section-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:2.5rem;box-shadow:var(--shadow-md);margin-bottom:1.5rem}.section-header{margin-bottom:2rem}.section-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.section-title{display:flex;align-items:center;gap:12px;font-size:1.125rem;font-weight:700;color:var(--accent-secondary)}.section-title-icon{color:var(--accent-primary);display:flex;align-items:center}.section-subtitle{color:var(--text-secondary);font-size:.875rem}.upload-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:1.25rem;gap:1.25rem;margin-bottom:1.5rem}.upload-zone-wrapper{display:flex;flex-direction:column;gap:10px}.upload-zone-label{display:flex;align-items:center;gap:8px}.upload-zone-icon{color:var(--text-muted);display:flex;align-items:center}.upload-zone-title{font-size:.875rem;font-weight:600;color:var(--text-primary)}.upload-zone-hint{font-size:.75rem;color:var(--text-muted);margin-left:auto}.upload-dropzone{aspect-ratio:1.586/1;border:2px dashed var(--border-medium);border-radius:var(--radius-lg);background:var(--bg-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;cursor:pointer;transition:all var(--transition-fast);text-align:center;padding:1.5rem}.upload-dropzone:hover{border-color:var(--accent-primary);background:var(--bg-secondary);box-shadow:var(--shadow-sm)}.upload-dropzone-icon{color:var(--text-muted);transition:color var(--transition-fast)}.upload-dropzone:hover .upload-dropzone-icon{color:var(--accent-primary)}.upload-dropzone-text{font-size:.8125rem;color:var(--text-secondary)}.upload-dropzone-link{color:var(--accent-primary);font-weight:600}.upload-dropzone-formats{font-size:.6875rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.upload-preview{aspect-ratio:1.586/1;border-radius:var(--radius-lg);overflow:hidden;position:relative;border:1px solid var(--border-subtle);background:#fff;box-shadow:var(--shadow-sm)}.upload-preview-img{width:100%;height:100%;object-fit:cover;display:block}.upload-preview-pdf{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:1rem}.upload-preview-pdf-icon{color:var(--accent-primary)}.upload-preview-pdf-name{font-size:.75rem;color:var(--text-primary);font-weight:600;text-align:center;max-width:80%}.upload-preview-actions{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;background:rgba(255,255,255,.9);opacity:0;transition:opacity var(--transition-fast)}.upload-preview:hover .upload-preview-actions{opacity:1}.upload-action-btn{padding:8px 16px;border:1px solid var(--border-medium);border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:6px}.upload-action-btn.replace{background:white;color:var(--text-primary)}.upload-action-btn.remove{background:var(--error-bg);color:var(--error);border-color:var(--error-border)}.upload-action-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.upload-file-error{font-size:.8125rem;font-weight:500;color:var(--error);background:var(--error-bg);border:1px solid var(--error-border);border-radius:var(--radius-sm);padding:8px 12px;text-align:center;animation:fadeIn .2s ease}.upload-deskew-status{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.camera-btn{width:100%;padding:10px;background:white;border:1px solid var(--border-medium);border-radius:var(--radius-md);color:var(--text-primary);font-size:.8125rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:8px}.camera-btn:hover{background:var(--bg-primary);border-color:var(--accent-primary);color:var(--accent-primary)}.upload-status{padding:12px;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;text-align:center;margin-bottom:1.5rem;display:flex;align-items:center;justify-content:center;gap:8px}.upload-status.empty{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border-subtle)}.upload-status.partial{background:var(--warning-bg);color:var(--warning);border:1px solid var(--warning-border)}.upload-status.complete{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.validate-btn{width:100%;padding:16px;background:var(--accent-primary);border:none;border-radius:var(--radius-md);color:white;font-size:1rem;font-weight:700;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:10px}.validate-btn:hover:not(:disabled){background:var(--accent-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.2)}.validate-btn:disabled{opacity:.5;cursor:not-allowed}.validate-btn-row{display:flex;gap:10px;align-items:stretch}.validate-btn-row .validate-btn{flex:1 1}.clear-btn{flex-shrink:0;padding:0 16px;background:white;border:1px solid var(--border-medium);border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.clear-btn:hover:not(:disabled){background:var(--error-bg);border-color:var(--error-border);color:var(--error)}.clear-btn:disabled{opacity:.4;cursor:not-allowed}.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.modal-content{background:#ffffff;border-radius:var(--radius-xl);width:100%;max-width:600px;box-shadow:var(--shadow-lg);overflow:hidden}.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:1rem;font-weight:700;color:var(--accent-secondary)}.modal-close{background:var(--bg-secondary);border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition-fast)}.modal-close:hover{background:var(--error-bg);color:var(--error)}.camera-error-container{padding:3rem 2rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.25rem}.camera-error-icon{color:var(--error);margin-bottom:.5rem}.camera-error-title{font-size:1.25rem;font-weight:700;color:var(--accent-secondary)}.camera-error-text{font-size:.9375rem;color:var(--text-secondary);max-width:320px}.camera-retry-btn{margin-top:1rem;padding:10px 24px;background:var(--accent-primary);color:white;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.camera-retry-btn:hover{background:var(--accent-primary-hover);transform:translateY(-1px)}.camera-viewfinder{position:relative;background:#000;aspect-ratio:16/9}.camera-video{width:100%;height:100%;object-fit:cover}.camera-guide-frame{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80%;aspect-ratio:1.586/1;border:2px solid white;border-radius:8px;box-shadow:0 0 0 1000px rgba(0,0,0,.5)}.camera-controls{padding:1.5rem}.camera-controls,.capture-btn{display:flex;justify-content:center}.capture-btn{width:64px;height:64px;border-radius:50%;background:white;border:4px solid var(--border-medium);cursor:pointer;align-items:center;transition:transform var(--transition-fast)}.capture-btn:hover:not(:disabled){transform:scale(1.05);border-color:var(--accent-primary)}.capture-btn-ring{width:48px;height:48px;border-radius:50%;border:2px solid var(--border-subtle)}.processing-overlay{position:fixed;inset:0;background:rgba(15,23,42,.6);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:1rem}.processing-card{background:#ffffff;border-radius:var(--radius-xl);padding:3rem 2.5rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.25rem;box-shadow:var(--shadow-xl);max-width:340px;width:100%}.processing-spinner{width:52px;height:52px;border:4px solid var(--border-subtle);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .85s linear infinite}.processing-spinner.small{width:24px;height:24px;border-width:3px}@keyframes spin{to{transform:rotate(1turn)}}.capture-status{display:flex;flex-direction:column;align-items:center;gap:10px}.capture-status-text{font-size:.8125rem;font-weight:600;color:var(--text-secondary);letter-spacing:.01em}.preview-screen{display:flex;flex-direction:column}.preview-badge-row{padding:10px 14px;display:flex;justify-content:center;border-bottom:1px solid var(--border-subtle)}.preview-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:.75rem;font-weight:700;letter-spacing:.02em}.preview-badge.deskewed{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.preview-badge.original{background:var(--warning-bg);color:var(--warning);border:1px solid var(--warning-border)}.preview-image-wrap{background:#0f172a;display:flex;align-items:center;justify-content:center;min-height:220px;max-height:380px;overflow:hidden}.preview-image{max-width:100%;max-height:380px;object-fit:contain;display:block}.preview-actions{padding:14px 16px;display:flex;gap:10px;border-top:1px solid var(--border-subtle)}.preview-btn{flex:1 1;padding:11px 16px;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent}.preview-btn.retry{background:var(--bg-secondary);color:var(--text-secondary);border-color:var(--border-medium)}.preview-btn.retry:hover{background:var(--bg-primary);color:var(--text-primary);border-color:var(--accent-primary)}.preview-btn.confirm{background:var(--accent-primary);color:#ffffff}.preview-btn.confirm:hover{background:var(--accent-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.2)}.preview-debug-section{border-top:1px solid var(--border-subtle);padding:10px 14px;background:#0f172a}.preview-debug-label{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin-bottom:8px}.preview-debug-canvas-wrap{position:relative;background:#000;border-radius:6px;overflow:hidden;line-height:0}.preview-debug-canvas{width:100%;height:auto;display:block}.preview-debug-no-corners{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:600;color:var(--warning);background:rgba(0,0,0,.55)}.preview-corners-table{display:grid;grid-template-columns:1fr 1fr;grid-gap:6px;gap:6px;margin-top:8px}.preview-corner-row{display:flex;align-items:center;gap:6px;padding:5px 8px;background:rgba(255,255,255,.05);border-radius:6px}.preview-corner-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.preview-corner-key{font-size:.6875rem;font-weight:800;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em;flex-shrink:0}.preview-corner-coords{font-family:SF Mono,Fira Code,monospace;font-size:.75rem;color:#e2e8f0}.preview-section-label{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:8px 14px 4px;background:#0f172a}.processing-title{font-size:1.125rem;font-weight:700;color:var(--text-primary)}.processing-subtitle{font-size:.875rem;color:var(--text-secondary);line-height:1.6}.process-error{display:flex;align-items:center;gap:8px;font-size:.875rem;font-weight:500;color:var(--error);background:var(--error-bg);border:1px solid var(--error-border);border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:.75rem}.result-verdict-card{background:#ffffff;width:100%;max-width:360px;border-radius:20px;box-shadow:0 32px 64px rgba(0,0,0,.25),0 0 0 1px rgba(0,0,0,.06);padding:2.25rem 2rem 1.75rem;display:flex;flex-direction:column;align-items:center;gap:.625rem;text-align:center;animation:modalIn .28s cubic-bezier(.16,1,.3,1)}.result-verdict-card.verdict-success{border-top:4px solid var(--success)}.result-verdict-card.verdict-failure{border-top:4px solid var(--error)}.verdict-icon-wrap{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.5rem}.verdict-icon-wrap.success{background:var(--success-bg);color:var(--success);border:2px solid var(--success-border)}.verdict-icon-wrap.failure{background:var(--error-bg);color:var(--error);border:2px solid var(--error-border)}.verdict-title{font-size:1.375rem;font-weight:800;color:var(--text-primary);letter-spacing:-.01em;margin-top:.25rem}.verdict-subtitle{font-size:.875rem;color:var(--text-secondary);margin-bottom:.75rem}.verdict-actions{flex-direction:column;margin-top:.5rem}.verdict-actions,.verdict-btn{width:100%;display:flex;gap:8px}.verdict-btn{padding:12px 20px;border-radius:var(--radius-md);font-size:.9375rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .15s;align-items:center;justify-content:center;border:none}.verdict-btn.details{background:var(--error);color:#ffffff}.verdict-btn.details:hover{opacity:.88;transform:translateY(-1px)}.verdict-btn.secondary{background:var(--bg-primary);color:var(--text-secondary);border:1px solid var(--border-medium)}.verdict-btn.secondary:hover{background:var(--bg-secondary);color:var(--text-primary)}.verdict-btn.success{background:var(--success);color:#ffffff}.verdict-btn.success:hover{opacity:.88;transform:translateY(-1px)}.result-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2100;padding:24px}@keyframes modalIn{0%{opacity:0;transform:scale(.96) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}.result-modal-card{background:#ffffff;width:100%;max-width:480px;border-radius:var(--radius-lg);box-shadow:0 24px 48px rgba(0,0,0,.22),0 0 0 1px rgba(0,0,0,.06);overflow:hidden;animation:modalIn .25s cubic-bezier(.16,1,.3,1)}.result-modal-header{padding:20px;display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--border-subtle);background:#ffffff}.result-icon-failure{background:var(--error-bg);color:var(--error)}.result-icon-failure,.result-icon-success{flex-shrink:0;width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center}.result-icon-success{background:var(--success-bg);color:var(--success)}.result-modal-titles{flex:1 1;min-width:0}.result-modal-title{font-size:1.0625rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}.result-modal-subtitle{font-size:.8125rem;color:var(--text-secondary)}.result-close-btn{flex-shrink:0;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-muted);transition:background .15s,color .15s}.result-close-btn:hover{background:var(--bg-primary);color:var(--text-primary)}.result-checks-list{padding:14px;background:var(--bg-primary);max-height:360px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.result-check-item{background:#ffffff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px}.result-check-header{display:flex;align-items:center;gap:10px}.result-check-header svg{color:var(--error)}.result-check-name{font-size:.9375rem;font-weight:600;color:var(--text-primary)}.result-check-details{margin-top:8px;padding-left:26px;font-size:.8125rem;color:var(--text-secondary);line-height:1.55}.result-modal-footer{padding:16px 20px;border-top:1px solid var(--border-subtle);background:#ffffff}.result-modal-close-btn{width:100%;padding:13px;background:var(--accent-primary);color:#ffffff;border-radius:var(--radius-md);font-size:.9375rem;font-weight:600;letter-spacing:.01em;transition:opacity .15s,transform .15s}.result-modal-close-btn:hover{opacity:.88;transform:translateY(-1px)}.result-modal-success-btn{width:100%;padding:13px;background:var(--success);color:#ffffff;border-radius:var(--radius-md);font-size:.9375rem;font-weight:600;letter-spacing:.01em;transition:opacity .15s,transform .15s}.result-modal-success-btn:hover{opacity:.88;transform:translateY(-1px)}.results-section{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border-subtle);box-shadow:var(--shadow-md);margin-bottom:1.5rem;animation:fadeIn .3s ease}.results-section.success{border-color:var(--success-border);background:var(--success-bg)}.results-section.failure{border-color:var(--error-border);background:var(--error-bg)}.results-banner{display:flex;align-items:center;gap:14px;padding:18px 20px}.results-banner-icon{flex-shrink:0;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}.results-banner-icon.success{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.results-banner-icon.failure{background:var(--error-bg);color:var(--error);border:1px solid var(--error-border)}.results-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}.results-subtitle{font-size:.8125rem;color:var(--text-secondary)}.results-checks{border-top:1px solid var(--error-border);background:#ffffff;padding:12px;display:flex;flex-direction:column;gap:8px}.info-trigger-btn{flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1px solid var(--border-subtle);background:var(--bg-secondary);color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.info-trigger-btn:hover{border-color:var(--accent-primary);transform:scale(1.05)}.info-trigger-btn:hover,.result-icon-info{background:#eff6ff;color:var(--accent-primary)}.result-icon-info{flex-shrink:0;width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center}.info-section-label{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);padding:6px 4px 2px;margin-top:4px}.info-check-item{display:flex;flex-direction:column;gap:4px;padding:12px 14px;background:#ffffff;border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.info-check-id{flex-shrink:0;font-size:.6875rem;font-weight:700;font-family:SF Mono,Fira Code,monospace;letter-spacing:.03em;padding:3px 8px;border-radius:6px;background:#eff6ff;color:var(--accent-primary);border:1px solid var(--border-accent)}.info-check-id.det{background:#f0fdf4;color:var(--success);border-color:var(--success-border)}.info-check-name{font-size:.875rem;font-weight:600;color:var(--text-primary);line-height:1.4}.info-check-desc{font-size:.8125rem;color:var(--text-secondary);line-height:1.5}.footer{margin-top:auto;padding-top:4rem;padding-bottom:2rem;text-align:center;font-size:.8125rem;color:var(--text-muted)}.footer a{color:var(--accent-primary);text-decoration:none;font-weight:600}.footer a:hover{text-decoration:underline}@media (max-width:640px){.app-container{padding:1.5rem 1rem}.header h1{font-size:1.75rem}.section-card{padding:1.5rem}.upload-grid{grid-template-columns:1fr}.upload-zone-hint{display:none}}