.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:#fff;border-radius:20px;width:90%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:25px 30px;border-bottom:1px solid #e2e8f0}.modal-header h2{margin:0;font-size:1.5rem;font-weight:600;color:#2d3748}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#718096;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.modal-close:hover{background:#f7fafc;color:#2d3748}.modal-body{padding:30px}.file-info-card{display:flex;align-items:center;gap:15px;padding:20px;background:#f7fafc;border-radius:12px;margin-bottom:30px}.file-icon{font-size:2rem;width:60px;height:60px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;display:flex;align-items:center;justify-content:center}.file-info-card h3{margin:0 0 5px;font-size:1.1rem;font-weight:600;color:#2d3748}.file-info-card p{margin:0;color:#718096;font-size:.9rem}.share-form{display:flex;flex-direction:column;gap:25px}.form-section{display:flex;flex-direction:column;gap:12px}.form-label{font-weight:600;color:#2d3748;font-size:.9rem;margin-bottom:8px}.share-type-options{display:flex;flex-direction:column;gap:12px}.radio-option{display:flex;align-items:center;padding:16px;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:all .2s ease;background:#fff}.radio-option:hover{border-color:#cbd5e0;background:#f7fafc}.radio-option input[type=radio]{margin-right:12px;accent-color:#667eea}.radio-option input[type=radio]:checked+.radio-content{color:#667eea}.radio-option:has(input:checked){border-color:#667eea;background:#667eea0d}.radio-content{display:flex;align-items:center;gap:12px;flex:1}.radio-icon{font-size:1.2rem}.radio-content strong{display:block;margin-bottom:2px;font-size:.95rem}.radio-content p{margin:0;font-size:.8rem;color:#718096}.email-textarea{width:100%;padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:14px;font-family:inherit;resize:vertical;min-height:80px;transition:border-color .2s ease}.email-textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-help{color:#718096;font-size:.8rem;margin-top:4px}.permission-checkboxes{display:flex;gap:20px;flex-wrap:wrap}.checkbox-option{display:flex;align-items:center;gap:8px;cursor:pointer;padding:8px 12px;border-radius:8px;transition:background-color .2s ease}.checkbox-option:hover{background:#f7fafc}.checkbox-option input[type=checkbox]{accent-color:#667eea}.form-input{width:100%;padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:14px;transition:border-color .2s ease}.form-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.create-share-btn{padding:15px 25px;font-size:1rem;font-weight:600;border-radius:10px;margin-top:10px}.create-share-btn:disabled{opacity:.6;cursor:not-allowed}.share-result{padding:20px;background:#e6fffa;border:1px solid #38a169;border-radius:12px;margin-top:20px}.share-link-container{display:flex;gap:10px;margin-top:10px}.share-link-input{flex:1;padding:10px 12px;border:1px solid #cbd5e0;border-radius:6px;font-size:.9rem;background:#fff}.copy-btn{padding:10px 16px;font-size:.9rem;white-space:nowrap}.existing-shares{margin-top:30px;padding-top:25px;border-top:1px solid #e2e8f0}.existing-shares-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.existing-shares-header h3{margin:0;font-size:1.1rem;font-weight:600;color:#2d3748}.toggle-btn{padding:6px 12px;font-size:.8rem;border-radius:6px}.shares-list{display:flex;flex-direction:column;gap:12px}.share-item{display:flex;justify-content:space-between;align-items:center;padding:16px;background:#f7fafc;border-radius:10px;border:1px solid #e2e8f0}.share-info{flex:1}.share-type-badge{display:inline-block;padding:4px 8px;background:#667eea;color:#fff;border-radius:4px;font-size:.7rem;font-weight:600;text-transform:uppercase;margin-bottom:8px}.share-details p{margin:2px 0;font-size:.8rem;color:#4a5568}.share-actions{display:flex;gap:8px}.share-action-btn{width:32px;height:32px;padding:0;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.9rem}.share-viewer{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;padding:20px}.share-container{width:100%;max-width:600px}.error-card,.access-card,.file-preview-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000004d;text-align:center}.error-icon,.access-icon{font-size:4rem;margin-bottom:20px}.error-card h2,.access-card h2{margin:0 0 15px;font-size:1.8rem;font-weight:600;color:#2d3748}.error-card p,.access-card p{color:#718096;margin-bottom:25px;line-height:1.6}.email-verification{display:flex;flex-direction:column;gap:15px;max-width:300px;margin:25px auto}.verify-btn{padding:12px 20px;font-weight:600}.share-info{margin-top:25px;padding-top:20px;border-top:1px solid #e2e8f0;text-align:left}.share-info p{margin:8px 0;font-size:.9rem}.file-preview-card{text-align:left}.file-header{display:flex;align-items:center;gap:20px;margin-bottom:30px;padding-bottom:25px;border-bottom:1px solid #e2e8f0}.file-icon-large{font-size:4rem;width:100px;height:100px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;display:flex;align-items:center;justify-content:center}.file-details h1{margin:0 0 10px;font-size:1.8rem;font-weight:600;color:#2d3748;word-break:break-all}.file-meta{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.share-type-badge{padding:6px 12px;background:#667eea;color:#fff;border-radius:20px;font-size:.8rem;font-weight:600}.file-info{margin-bottom:30px}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.info-item{display:flex;flex-direction:column;gap:5px}.info-label{font-size:.8rem;color:#718096;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.info-value{font-size:1rem;font-weight:600;color:#2d3748}.permission-tag{display:inline-block;padding:4px 8px;background:#e2e8f0;color:#4a5568;border-radius:4px;font-size:.7rem;font-weight:600;margin-right:8px;margin-bottom:4px}.file-actions{display:flex;gap:15px;margin-bottom:30px;flex-wrap:wrap}.view-btn,.download-btn{padding:12px 24px;font-weight:600;border-radius:10px;flex:1;min-width:150px}.share-footer{padding-top:20px;border-top:1px solid #e2e8f0;text-align:center}.footer-link{color:#667eea;text-decoration:none;font-weight:500}.footer-link:hover{text-decoration:underline}@media (max-width: 768px){.modal-content{width:95%;margin:20px}.modal-header,.modal-body{padding:20px}.file-header{flex-direction:column;text-align:center;gap:15px}.file-icon-large{width:80px;height:80px;font-size:3rem}.file-details h1{font-size:1.5rem}.info-grid{grid-template-columns:1fr}.file-actions{flex-direction:column}.permission-checkboxes{flex-direction:column;gap:10px}.share-link-container{flex-direction:column}.share-item{flex-direction:column;align-items:flex-start;gap:15px}.share-actions{width:100%;justify-content:flex-end}}@media (max-width: 480px){.share-viewer{padding:10px}.error-card,.access-card,.file-preview-card{padding:25px}.radio-content{flex-direction:column;align-items:flex-start;gap:5px}.file-meta{flex-direction:column;align-items:flex-start;gap:10px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px;color:#333}.container{max-width:800px;margin:0 auto}.header{text-align:center;margin-bottom:40px;color:#fff}.header h1{font-size:2.5rem;font-weight:700;margin-bottom:10px;text-shadow:0 2px 4px rgba(0,0,0,.3)}.card{background:#fff;border-radius:16px;padding:30px;margin-bottom:30px;box-shadow:0 10px 30px #0000001a}.user-header{display:flex;justify-content:space-between;align-items:center;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:15px 20px;margin-bottom:30px;color:#fff}.user-info{display:flex;align-items:center;gap:10px}.user-avatar{width:40px;height:40px;background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.user-details h3{margin:0;font-size:1.1rem}.user-details p{margin:0;font-size:.9rem;opacity:.8}.form-row{display:flex;gap:15px;margin-bottom:20px}.form-row input{flex:1;padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:16px;background:#f8fafc}.form-row input:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.form-column{display:flex;flex-direction:column;gap:15px;margin-bottom:20px}.form-column input{padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:16px;background:#f8fafc}.form-column input:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.button-group{display:flex;gap:10px;flex-wrap:wrap}button{padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;flex:1;min-width:120px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea4d}.btn-secondary{background:#e2e8f0;color:#4a5568}.btn-secondary:hover{background:#cbd5e0;transform:translateY(-1px)}.btn-logout{background:#e53e3e;color:#fff;padding:10px 20px;font-size:14px;min-width:auto;flex:none}.btn-logout:hover{background:#c53030;transform:translateY(-1px)}.btn-danger{background:#e53e3e;color:#fff;padding:8px 16px;font-size:14px;min-width:auto;flex:none;margin-left:10px}.btn-download{background:#38a169;color:#fff;padding:8px 16px;font-size:14px;min-width:auto;flex:none;margin-left:10px}.forgot-password-link{text-align:center;margin-top:15px}.forgot-password-link a{color:#667eea;text-decoration:none;font-size:14px;transition:color .3s ease}.forgot-password-link a:hover{color:#764ba2;text-decoration:underline}.back-to-login{text-align:center;margin-top:15px}.back-to-login a{color:#667eea;text-decoration:none;font-size:14px;transition:color .3s ease}.back-to-login a:hover{color:#764ba2;text-decoration:underline}.loading-spinner{display:none;text-align:center;padding:40px;color:#fff}.loading-spinner.show{display:block}.spinner{border:4px solid rgba(255,255,255,.3);border-radius:50%;border-top:4px solid white;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.storage-quota{background:#f7fafc;border-radius:12px;padding:20px;margin-bottom:20px;border-left:4px solid #667eea}.storage-text{font-weight:600;color:#4a5568;margin-bottom:8px}.progress-bar{width:100%;height:20px;background:#e2e8f0;border-radius:10px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background:linear-gradient(90deg,#38a169,#667eea);transition:width .3s ease;border-radius:10px}.storage-info{display:flex;justify-content:space-between;font-size:14px;color:#718096}.upload-progress{display:none;background:#e6fffa;border:1px solid #38a169;border-radius:8px;padding:15px;margin-top:15px}.upload-progress.show{display:block}.upload-filename{font-weight:600;color:#2d3748;margin-bottom:8px}.upload-bar{width:100%;height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden;margin-bottom:8px}.upload-fill{height:100%;background:#38a169;width:0%;transition:width .3s ease;border-radius:4px}.upload-text{font-size:14px;color:#4a5568}.file-item{display:flex;justify-content:space-between;align-items:center;padding:15px;background:#f8fafc;border-radius:8px;margin-bottom:10px;border-left:4px solid #667eea}.file-info{flex:1}.file-name{font-weight:600;color:#2d3748;margin-bottom:4px}.file-size{color:#718096;font-size:14px}.file-actions{display:flex;gap:8px}.file-list{list-style:none}.message{padding:12px 16px;border-radius:8px;margin-bottom:20px}.success-message{background:#c6f6d5;color:#22543d;border-left:4px solid #38a169}.error-message{background:#fed7d7;color:#742a2a;border-left:4px solid #e53e3e}.info-message{background:#bee3f8;color:#2a4365;border-left:4px solid #3182ce}.files-loading{text-align:center;padding:40px;color:#718096}.files-loading .spinner{border:4px solid #e2e8f0;border-top:4px solid #667eea;width:30px;height:30px}@media (max-width: 768px){.user-header{flex-direction:column;gap:15px;text-align:center}.file-item{flex-direction:column;align-items:flex-start;gap:10px}.file-actions{width:100%;justify-content:flex-end}.form-row{flex-direction:column}}