:root{--background-color: #1a202c;--card-background: #2d3748;--primary-color: #4299e1;--text-primary: #edf2f7;--text-secondary: #a0aec0;--border-color: #4a5568;--success-color: #48bb78;--error-color: #f56565}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background-color);color:var(--text-primary)}#root{max-width:1400px;margin:0 auto;padding:1rem 2rem}.login-container{display:flex;justify-content:center;align-items:center;min-height:80vh}.login-form{width:100%;max-width:400px;padding:2.5rem;background-color:var(--card-background);border-radius:12px;box-shadow:0 10px 15px -3px #0000001a}.login-logo{width:100px;align-self:center;display:flex;margin-left:auto;margin-right:auto}.login-form h1{text-align:center;color:var(--primary-color);margin-bottom:1.5rem}.login-form .input-group{margin-bottom:1.5rem}.login-form .login-button{width:100%;padding:.8rem;font-size:1.1em}.login-form .error-message{color:var(--error-color);text-align:center;margin-top:1rem;min-height:1.2em}.app-container{display:flex;flex-direction:column;gap:1.5rem}.app-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;border-bottom:1px solid var(--border-color);gap:1rem}.header-title{flex-shrink:0}.header-title h1{color:var(--primary-color);margin:0;font-size:2rem}.header-title p{margin:.25rem 0 0;color:var(--text-secondary);font-size:1rem}.logout-button{background:var(--error-color)!important;flex-shrink:0}.logout-button:hover{background:#c53030!important}.filter-controls-wrapper{display:flex;flex-wrap:wrap;gap:1rem;padding:1.5rem;background-color:var(--card-background);border-radius:12px;justify-content:space-between;align-items:center}.filter-group{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;flex-grow:1}.filter-actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.input-with-icon{position:relative;display:flex;align-items:center;flex-grow:1;min-width:200px;height:44px}.input-with-icon svg{position:absolute;left:.75rem;color:var(--text-secondary);pointer-events:none}.input-with-icon .input-field{padding-left:2.5rem;height:100%}.input-field{padding:.75rem 1rem;border-radius:8px;border:1px solid var(--border-color);background-color:#1a202c;color:var(--text-primary);font-size:1em;transition:border-color .2s,box-shadow .2s;width:100%;box-sizing:border-box}.input-field:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #4299e180}.control-button{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:8px;border:none;font-size:1em;font-weight:600;background-color:#4a5568;color:var(--text-primary);cursor:pointer;transition:background-color .2s;white-space:nowrap;height:44px}.control-button:disabled{opacity:.6;cursor:not-allowed}.control-button:hover:not(:disabled){background-color:#718096}.control-button.primary{background-color:var(--primary-color)}.control-button.primary:hover:not(:disabled){background-color:#63b3ed}.control-button.delete{background-color:var(--error-color)}.control-button.delete:hover:not(:disabled){background-color:#c53030}.selection-toolbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:calc(100% - 2rem);max-width:600px;background-color:var(--primary-color);color:#fff;padding:1rem 1.5rem;border-radius:12px 12px 0 0;box-shadow:0 -5px 15px #0003;display:flex;justify-content:space-between;align-items:center;z-index:999;animation:slide-up .3s ease-out}@keyframes slide-up{0%{transform:translate(-50%,100%)}to{transform:translate(-50%)}}.selection-toolbar p{margin:0;font-weight:600}.selection-toolbar .toolbar-actions{display:flex;gap:1rem}.selection-toolbar .toolbar-actions .control-button{flex:1;min-width:120px}.results-container{margin-top:1rem}.app-container.selection-mode-active .results-container{padding-bottom:80px}.study-list{list-style:none;padding:0;margin:0 auto;max-width:1920px;display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem}.study-card{background-color:var(--card-background);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;border:3px solid transparent}.study-card:not(.selection-active):hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px #0000001a}.study-card.selection-active{cursor:pointer}.study-card.selection-active:hover{transform:translateY(-2px);box-shadow:0 6px 10px -2px #0000001a}.study-card.selected{border-color:var(--primary-color);transform:translateY(0)}.card-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.card-header .header-content{flex-grow:1;min-width:0}.card-header .patient-name{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-header .patient-id{font-size:.9rem;color:var(--text-secondary);margin-top:.25rem}.selection-indicator{width:24px;height:24px;border:2px solid var(--text-secondary);border-radius:50%;transition:all .2s;flex-shrink:0}.selected .selection-indicator{background-color:var(--primary-color);border-color:var(--primary-color);background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e")}.card-body{padding:1.5rem;flex-grow:1;display:flex;flex-direction:column;gap:1rem}.info-item{display:flex;flex-direction:column}.info-item .label{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.info-item .value{font-size:1rem;color:var(--text-primary)}.card-footer{padding:1rem 1.5rem;border-top:1px solid var(--border-color);display:flex;gap:1rem;flex-wrap:wrap}.action-button{flex:1 1 90px;min-width:90px;padding:.75rem;border-radius:8px;border:none;font-weight:600;cursor:pointer;transition:background-color .2s,opacity .2s;display:flex;align-items:center;justify-content:center;gap:.5rem;position:relative;overflow:hidden;color:#fff}.action-button .action-text{display:inline}.action-button.view{background-color:var(--primary-color)}.action-button.view:hover:not(:disabled){background-color:#63b3ed}.action-button.delete{background-color:var(--error-color)}.action-button.delete:hover:not(:disabled){background-color:#c53030}.action-button:disabled{cursor:not-allowed;background-color:var(--border-color);opacity:.7}.download-manager{background-color:#2d3748;border:1px solid var(--success-color);color:var(--success-color);transition:color .3s ease-in-out}.download-manager:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-color:var(--success-color);transform:translate(-100%);transition:transform .4s ease-in-out;z-index:1}.download-manager.downloading:before{transform:translate(0);animation:simulated-progress 5s ease-out forwards}.download-manager.downloading{color:#fff}.download-manager.completed:before{transform:translate(0);transition-duration:.2s}.download-manager.completed{color:#fff}.download-manager.error{background-color:var(--error-color);border-color:var(--error-color);color:#fff}.download-manager .button-text{position:relative;z-index:2;display:flex;align-items:center;gap:.5rem;transition:opacity .3s ease,transform .3s ease}.download-manager .downloading-content,.download-manager .completed-content{position:absolute;opacity:0;pointer-events:none}.download-manager.idle .idle-content{opacity:1}.download-manager.idle .downloading-content,.download-manager.idle .completed-content,.download-manager.downloading .idle-content,.download-manager.downloading .completed-content{opacity:0}.download-manager.downloading .downloading-content{opacity:1}.download-manager.completed .idle-content,.download-manager.completed .downloading-content{opacity:0}.download-manager.completed .completed-content{opacity:1}.download-manager.completed .check-icon{animation:pop-in .3s .2s ease-out both}@keyframes simulated-progress{0%{transform:translate(-100%)}80%{transform:translate(-5%)}to{transform:translate(-2%)}}@keyframes pop-in{0%{transform:scale(.5)}80%{transform:scale(1.2)}to{transform:scale(1)}}.status-message{text-align:center;padding:4rem;color:var(--text-secondary);font-size:1.25rem;grid-column:1 / -1}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background-color:var(--card-background);padding:1.5rem;border-radius:12px;width:90vw;max-width:600px;display:flex;flex-direction:column;max-height:90vh}.modal-header{display:flex;justify-content:center;align-items:center;position:relative;margin-bottom:1.5rem;color:var(--text-primary);border-bottom:1px solid var(--border-color);padding-bottom:1rem}.modal-header h2{margin:0;font-size:1.5em}.modal-close-button{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;position:absolute;right:0;top:50%;transform:translateY(-50%)}.modal-close-button:hover{color:var(--text-primary)}.modal-body{padding:.5rem 0}.modal-description{color:var(--text-secondary);margin:0 0 1.5rem;text-align:center}.date-range-group{display:flex;gap:1rem;justify-content:center}.modal-footer{display:flex;justify-content:center;gap:1rem;padding-top:1.5rem;border-top:1px solid var(--border-color);margin-top:1.5rem}.modal-footer .control-button{flex-grow:1;max-width:220px}.advanced-modal .input-group{display:flex;flex-direction:column;gap:.5rem}.advanced-modal .input-group label{font-size:.9rem;font-weight:600;color:var(--text-secondary)}.series-list-container{overflow-y:auto}.series-list{list-style:none;padding:0;margin:0}.series-item{background-color:#1a202c;margin-bottom:.75rem;padding:1rem;border-radius:8px;cursor:pointer;transition:background-color .2s,border-left-color .2s;border-left:4px solid var(--border-color)}.series-item:hover{background-color:#2c3546;border-left-color:var(--primary-color)}.series-item p{margin:0 0 .5rem}.series-item .label{font-size:.8em;color:var(--text-secondary)}@media (max-width: 900px){.filter-controls-wrapper{flex-direction:column;align-items:stretch;gap:1.5rem}}@media (max-width: 768px){#root{padding:1rem}.header-title h1{font-size:1.75rem}.header-title p{font-size:.9rem}.date-range-group{flex-direction:column}}@media (max-width: 520px){.filter-group,.filter-actions{flex-direction:column;align-items:stretch}.filter-actions{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.filter-actions .control-button.primary{grid-column:1 / -1}.selection-toolbar{flex-direction:column;gap:1rem;text-align:center}.modal-footer{flex-direction:column}.modal-footer .control-button{max-width:100%}}