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.loading-overlay{background:#0f172acc}.loading-content{background:var(--bg-primary);border-radius:12px;padding:2rem 3rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;display:flex;flex-direction:column;align-items:center;gap:1.5rem;min-width:300px;animation:slideUp .3s ease-out}.loading-spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.loading-text{text-align:center}.loading-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.loading-subtitle{font-size:.875rem;color:var(--text-secondary);margin:0}.loading-progress{font-size:.875rem;font-weight:600;color:var(--color-primary);margin:0}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.loading-content{padding:1.5rem 2rem;min-width:280px;margin:0 1rem}.loading-spinner{width:40px;height:40px}.loading-title{font-size:1rem}.loading-subtitle{font-size:.8125rem}}*{box-sizing:border-box}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{text-align:center;padding:2rem 1rem}.privacy-badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--bg-success);border:1px solid var(--border-success);border-radius:8px;padding:.75rem 1.25rem;font-size:.875rem;color:var(--text-success);font-weight:500;box-shadow:0 1px 3px #0000000d}.privacy-notice svg{flex-shrink:0;color:#22c55e}.app-main{flex:1;max-width:800px;width:100%;margin:0 auto;padding:2rem 1rem}.processing-message{text-align:center;padding:1rem;color:#64748b;font-style:italic}.errors-notice{background:#fef2f2;border:1px solid #fca5a5;border-radius:8px;padding:1.5rem;margin:2rem 0}.errors-notice h3{margin:0 0 1rem;font-size:1rem;font-weight:600;color:#991b1b}.errors-notice ul{margin:0;padding-left:1.5rem;color:#b91c1c}.errors-notice li{margin:.5rem 0}.action-buttons{display:flex;gap:1rem;justify-content:center;margin:2rem 0}.button{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border-radius:6px;border:none;cursor:pointer;transition:all .2s}.button-primary{background:#3b82f6;color:#fff}.button-primary:hover{background:#2563eb}.button-secondary{background:#f1f5f9;color:#475569;border:1px solid #cbd5e1}.button-secondary:hover{background:#e2e8f0}.export-controls{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.export-label{font-size:.875rem;font-weight:600;color:#475569}.export-format-select{padding:.625rem 1rem;font-size:.875rem;font-weight:500;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:#1e293b;cursor:pointer;transition:all .2s}.export-format-select:hover{border-color:#94a3b8}.export-format-select:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.app-footer{text-align:center;padding:2rem 1rem;border-top:1px solid #e2e8f0;background:#f8fafc;color:#64748b;font-size:.875rem}.footer-contact{margin-top:1rem;padding-top:1rem;border-top:1px solid #e2e8f0;line-height:1.6}.footer-contact a{color:#0a66c2;font-weight:600;text-decoration:none;transition:color .2s}.footer-contact a:hover{color:#004182;text-decoration:underline}.footer-coffee{margin-top:.75rem}.footer-coffee a{display:inline-flex;align-items:center;gap:.375rem;color:#92400e;background:linear-gradient(135deg,#fef3c7,#fde68a);padding:.5rem 1rem;border-radius:6px;text-decoration:none;font-weight:600;font-size:.875rem;transition:all .2s;box-shadow:0 1px 3px #0000001a}.footer-coffee a:hover{background:linear-gradient(135deg,#fde68a,#fcd34d);transform:translateY(-1px);box-shadow:0 4px 6px -1px #0000001a;text-decoration:none}.app-footer a{color:#3b82f6;text-decoration:none}.footer-coffee a{color:#004182;text-decoration:none}.app-footer a:hover{text-decoration:underline}.footer-coffee a:hover{text-decoration:none}@media(max-width:768px){.app-header h1{font-size:2rem}.about-link{margin-top:0;position:absolute;right:1rem;top:1rem}.action-buttons{flex-direction:column}.button{width:100%}}.error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(to bottom,#fff,#f8fafc)}.error-boundary-content{max-width:600px;text-align:center;background:#fff;padding:3rem 2rem;border-radius:12px;box-shadow:0 10px 25px #0000001a}.error-boundary-content h1{font-size:2rem;color:#1e293b;margin:0 0 1rem}.error-boundary-content>p{font-size:1.125rem;color:#64748b;margin:0 0 2rem}.error-details{text-align:left;margin:2rem 0;padding:1rem;background:#f8fafc;border-radius:6px;border:1px solid #e2e8f0}.error-details summary{cursor:pointer;font-weight:600;color:#475569;-webkit-user-select:none;user-select:none}.error-details pre{margin:1rem 0 0;padding:1rem;background:#fff;border-radius:4px;overflow-x:auto;font-size:.875rem;color:#dc2626;font-family:Courier New,monospace}.error-actions{margin:2rem 0}.error-help{font-size:.875rem;color:#94a3b8;margin:2rem 0 0}.error-help a{color:#3b82f6;text-decoration:none}.error-help a:hover{text-decoration:underline}@media(max-width:768px){.error-boundary-content{padding:2rem 1.5rem}.error-boundary-content h1{font-size:1.5rem}}