:root{--bottom-nav-height: 64px;--touch-target-min: 44px;--mobile-spacing: 12px}html{overscroll-behavior:none}body{overscroll-behavior:none;-webkit-overflow-scrolling:touch}@supports (-webkit-touch-callout: none){html{height:-webkit-fill-available}body{min-height:-webkit-fill-available;min-height:100vh}}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:var(--bottom-nav-height);background:var(--color-bg-card);border-top:1px solid var(--color-border);z-index:1000;padding:0 8px;padding-bottom:env(safe-area-inset-bottom,0)}.bottom-nav-items{display:flex;justify-content:space-around;align-items:center;height:100%;max-width:500px;margin:0 auto}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:var(--touch-target-min);min-height:var(--touch-target-min);padding:6px 12px;color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-fast);cursor:pointer;background:none;border:none;font-family:inherit}.bottom-nav-item:hover,.bottom-nav-item:focus{color:var(--color-primary);background:#00a8cc1a}.bottom-nav-item.active{color:var(--color-primary)}.bottom-nav-item .nav-icon{font-size:20px;margin-bottom:2px}.bottom-nav-item .nav-label{font-size:10px;font-weight:500;line-height:1}.bottom-nav-item .nav-badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;background:var(--color-danger);color:#fff;font-size:10px;font-weight:600;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;padding:0 4px}.online-status{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);font-size:12px;font-weight:500}.online-status .status-dot{width:8px;height:8px;border-radius:50%;background:var(--color-danger)}.online-status.online .status-dot{background:var(--color-success)}.is-offline .online-status{background:#dc35451a;color:var(--color-danger)}.is-online .online-status{background:#28a7451a;color:var(--color-success)}.btn,.nav-item,.tool-btn,button:not(.inline-btn){min-height:var(--touch-target-min);min-width:var(--touch-target-min)}.btn:active,.nav-item:active,.tool-btn:active,button:active{transform:scale(.97)}@media (hover: none){.btn:hover,.nav-item:hover,.tool-btn:hover{transform:none}}@media (max-width: 991px){.sidebar{position:fixed;left:-100%;top:0;bottom:0;width:280px;z-index:1001;transition:left var(--transition-normal);box-shadow:var(--shadow-lg)}.sidebar.open{left:0}.sidebar-backdrop{display:none;position:fixed;inset:0;background:#00000080;z-index:1000;opacity:0;transition:opacity var(--transition-normal)}.sidebar-backdrop.active{display:block;opacity:1}.main-content{margin-left:0!important;width:100%!important}.nav-toggle{display:flex!important}.stats-grid,.cards-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}.table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.data-table{min-width:600px}}@media (max-width: 767px){.bottom-nav{display:block}.app-container{padding-bottom:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom,0))}.main-content{padding-bottom:calc(var(--bottom-nav-height) + var(--spacing-lg));overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}.sidebar .nav-item[data-view=dashboard],.sidebar .nav-item[data-view=patients],.sidebar .nav-item[data-view=worklist],.sidebar .nav-item[data-view=reports]{display:none}.navbar{height:56px;padding:0 var(--mobile-spacing)}.nav-brand .brand-text{display:none}.logo-img{width:36px;height:36px}.stats-grid,.cards-grid{grid-template-columns:1fr;gap:var(--spacing-sm)}.stat-card{padding:var(--spacing-md)}.stat-card h3{font-size:1.5rem}.form-row,.input-group{flex-direction:column}.form-row>*,.input-group>*{width:100%}.btn-group{flex-direction:column;width:100%}.btn-group .btn{width:100%;justify-content:center}.table-mobile-cards .data-table{display:none}.table-mobile-cards .mobile-card-list{display:block}.mobile-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-sm)}.mobile-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-sm)}.mobile-card-title{font-weight:600;color:var(--color-text)}.mobile-card-body{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xs) var(--spacing-md);font-size:13px}.mobile-card-label{color:var(--color-text-muted)}.mobile-card-value{color:var(--color-text);text-align:right}.mobile-card-actions{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-md);padding-top:var(--spacing-sm);border-top:1px solid var(--color-border-light)}.mobile-card-actions .btn{flex:1;font-size:13px;padding:8px 12px}.modal-content{width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0;margin:0}.modal-header{border-radius:0}.search-bar{width:100%;max-width:none}.search-bar input{font-size:16px}.viewer-toolbar{flex-wrap:wrap;padding:var(--spacing-sm);gap:var(--spacing-xs)}.toolbar-group{flex-wrap:wrap;gap:4px}.tool-btn{padding:8px 10px;font-size:12px}.viewer-toolbar .tool-btn.desktop-only{display:none}}@media (max-width: 575px){:root{--mobile-spacing: 8px}.main-content{padding:var(--mobile-spacing)}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}.page-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.page-header .actions{width:100%;display:flex;gap:var(--spacing-sm)}.page-header .actions .btn{flex:1}.mobile-card-body{grid-template-columns:1fr}.mobile-card-value{text-align:left}.bottom-nav-item .nav-label{font-size:9px}.filter-bar{flex-direction:column;gap:var(--spacing-sm)}.filter-bar>*{width:100%}}body.viewer-active .bottom-nav,body.viewer-fullscreen .bottom-nav{display:none!important;visibility:hidden!important;pointer-events:none!important}@media (max-width: 767px){.viewer-container{position:fixed;inset:0;z-index:2000}.viewer-header{height:48px;padding:0 var(--mobile-spacing)}.viewer-header .study-info{display:none}.viewer-content{height:calc(100% - 122px)}.viewer-toolbar{height:44px;overflow-x:auto;-webkit-overflow-scrolling:touch}.viewport-container{touch-action:pan-x pan-y 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env(safe-area-inset-bottom,0))!important;left:8px!important;right:8px!important;max-width:none!important;transform:none!important}}@supports (padding: env(safe-area-inset-bottom)){.bottom-nav{padding-bottom:env(safe-area-inset-bottom);height:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom))}.app-container{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.navbar{padding-top:env(safe-area-inset-top)}@media (orientation: landscape){.sidebar{padding-left:env(safe-area-inset-left)}.viewer-toolbar{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{.bottom-nav,.navbar,.sidebar,.viewer-toolbar,.pwa-install-banner,.pwa-update-banner{display:none!important}.main-content{margin:0!important;padding:0!important}.modal-content{box-shadow:none;border:1px solid #ccc}}[data-theme=dark] .bottom-nav{background:var(--color-bg-alt);border-top-color:var(--color-border)}[data-theme=dark] .mobile-card{background:var(--color-bg-card);border-color:var(--color-border)}[data-theme=dark] .sidebar-backdrop{background:#000000b3}@media (max-width: 768px){#seriesPanel{position:fixed!important;top:48px!important;left:0!important;bottom:65px!important;width:260px!important;height:auto!important;z-index:20000!important;background:#1a1a2ef2!important;backdrop-filter:blur(10px);border-right:1px solid var(--color-border);box-shadow:4px 0 15px #00000080;display:none;flex-direction:column}#seriesPanel[style*="display: flex"]{display:flex!important;animation:slideInLeft .3s ease}}@keyframes 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.series-thumbnail{flex-direction:column!important;width:80px!important;min-width:80px!important;height:100%!important;margin:0!important;padding:6px!important;text-align:center;background:transparent!important;border:1px solid transparent}#seriesPanel .series-thumbnail.active,#seriesPanel .series-thumbnail:active{background:#ffffff1a!important;border-color:var(--color-primary);border-radius:8px}#seriesPanel .series-thumb-icon{width:40px!important;height:40px!important;margin-bottom:4px;font-size:20px!important}#seriesPanel .series-thumb-info{width:100%}#seriesPanel .series-thumb-desc{font-size:10px!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}#seriesPanel .series-thumb-meta{font-size:9px!important;opacity:.7}#seriesPanel:after{content:"";position:absolute;bottom:2px;left:50%;transform:translate(-50%);width:40px;height:4px;background:#fff3;border-radius:2px}}@media (max-width: 767px){.mobile-card-list{display:flex;flex-direction:column;gap:10px;padding-bottom:80px}.mobile-card{background:var(--color-bg-card);border-radius:12px;padding:15px;border:1px solid var(--color-border);box-shadow:0 2px 5px #0000000d;margin-bottom:0}.bottom-nav-item.active{background:#00a8cc1a;font-weight:600}.bottom-nav-item.active .nav-icon{transform:translateY(-2px);transition:transform .2s}}:root{--color-primary: #00a8cc;--color-primary-dark: #0088a8;--color-primary-light: #33c4e0;--color-secondary: #6c757d;--color-success: #28a745;--color-warning: #ffc107;--color-danger: #dc3545;--color-info: #17a2b8;--color-bg: #f8f9fa;--color-bg-alt: #ffffff;--color-bg-card: #ffffff;--color-text: #212529;--color-text-muted: #6c757d;--color-text-light: #adb5bd;--color-border: #dee2e6;--color-border-light: #e9ecef;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--navbar-height: 60px;--sidebar-width: 260px;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .15);--backdrop-blur: blur(8px)}[data-theme=dark]{--color-bg: #0f172a;--color-bg-alt: #1e293b;--color-bg-card: #1e293b;--color-text: #f8fafc;--color-text-muted: #94a3b8;--color-text-light: #cbd5e1;--color-border: #334155;--color-border-light: #475569;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.5;min-height:100vh;overflow-x:hidden}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-dark)}button{cursor:pointer;font-family:inherit;font-size:inherit}img{max-width:100%;height:auto}.app-container{display:flex;flex-direction:column;min-height:100vh;height:100vh;overflow:hidden}.main-content{flex:1;padding:var(--spacing-lg);margin-top:var(--navbar-height);margin-left:0;transition:margin-left var(--transition-normal);overflow-y:auto;-webkit-overflow-scrolling:touch}@media (min-width: 992px){.main-content{margin-left:var(--sidebar-width)}}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-height);background:var(--color-bg-card);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-lg);z-index:1000;box-shadow:var(--shadow-sm)}.nav-brand{display:flex;align-items:center;gap:var(--spacing-sm)}.logo-img{width:40px;height:40px;object-fit:contain;border-radius:var(--radius-md);background:#fff;padding:2px}.brand-text{font-weight:600;font-size:1.25rem;color:var(--color-text)}.nav-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.theme-toggle,.nav-toggle{width:40px;height:40px;border:none;background:transparent;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--color-text);transition:background var(--transition-fast)}.theme-toggle:hover,.nav-toggle:hover{background:var(--color-border-light)}.nav-toggle{flex-direction:column;gap:4px}.nav-toggle span{width:20px;height:2px;background:var(--color-text);border-radius:2px;transition:all var(--transition-fast)}@media (min-width: 992px){.nav-toggle{display:none}}.sidebar{position:fixed;top:var(--navbar-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--navbar-height));background:var(--color-bg-card);border-right:1px solid var(--color-border);display:flex;flex-direction:column;transform:translate(-100%);transition:transform var(--transition-normal);z-index:999}.sidebar.active{transform:translate(0)}@media (min-width: 992px){.sidebar{transform:translate(0)}}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.sidebar-header h2{font-size:1rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.sidebar-nav{flex:1;padding:var(--spacing-md);overflow-y:auto}.nav-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius-md);color:var(--color-text);transition:all var(--transition-fast);margin-bottom:var(--spacing-xs)}.nav-item:hover{background:var(--color-border-light);color:var(--color-primary)}.nav-item.active{background:var(--color-primary);color:#fff}.nav-icon{font-size:1.25rem}.nav-divider{height:1px;background:var(--color-border);margin:var(--spacing-md) 0}.sidebar-footer{padding:var(--spacing-md);border-top:1px solid var(--color-border)}.server-status{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.875rem;color:var(--color-text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--color-warning)}.status-dot.connected{background:var(--color-success)}.status-dot.disconnected{background:var(--color-danger)}.overlay{position:fixed;inset:0;background:#00000080;opacity:0;visibility:hidden;transition:all var(--transition-normal);z-index:998}.overlay.active{opacity:1;visibility:visible}@media (min-width: 992px){.overlay{display:none}}.dashboard{max-width:1200px;margin:0 auto}.dashboard-header{margin-bottom:var(--spacing-xl)}.dashboard-header h1{font-size:1.75rem;margin-bottom:var(--spacing-xs)}.greeting{color:var(--color-text-muted)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.stat-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-md);box-shadow:var(--shadow-sm)}.stat-icon{font-size:2rem}.stat-info{display:flex;flex-direction:column}.stat-value{font-size:1.5rem;font-weight:700;color:var(--color-text)}.stat-label{font-size:.875rem;color:var(--color-text-muted)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin:var(--spacing-xl) auto}@keyframes spin{to{transform:rotate(360deg)}}.loading{text-align:center;color:var(--color-text-muted);padding:var(--spacing-xl)}.studies-list{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.study-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border);cursor:pointer;transition:background var(--transition-fast)}.study-item:last-child{border-bottom:none}.study-item:hover{background:var(--color-border-light)}.study-info{display:flex;flex-direction:column;gap:var(--spacing-xs)}.patient-name{font-weight:500}.study-desc,.study-date{font-size:.875rem;color:var(--color-text-muted)}.empty,.error{text-align:center;padding:var(--spacing-xl);color:var(--color-text-muted)}.error{color:var(--color-danger)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.studies-view{padding:var(--spacing-lg)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);flex-wrap:wrap;gap:var(--spacing-md)}.page-header h1{font-size:1.5rem;font-weight:600}.header-actions{display:flex;align-items:center;gap:var(--spacing-md)}.status-badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.75rem;font-weight:500}.status-badge.success{background:#28a7451a;color:var(--color-success)}.status-badge.warning{background:#ffc1071a;color:var(--color-warning)}.search-bar{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);flex-wrap:wrap}.search-input{flex:1;min-width:200px;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text);font-size:.875rem}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #00a8cc1a}.filter-select{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text);font-size:.875rem;min-width:150px}.studies-table-container{overflow-x:auto;background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border-light)}.data-table th{background:var(--color-bg-alt);font-weight:600;font-size:.75rem;text-transform:uppercase;color:var(--color-text-muted)}.data-table tbody tr:hover{background:var(--color-bg)}.modality-badge{display:inline-block;padding:2px 8px;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600}.loading-cell,.empty-cell,.error-cell{text-align:center;padding:var(--spacing-xl)!important;color:var(--color-text-muted)}.error-cell{color:var(--color-danger)}.pagination{display:flex;justify-content:center;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg)}.page-btn{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-card);border:1px solid 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h3{font-size:1.125rem;font-weight:600}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text-muted);padding:var(--spacing-xs);line-height:1;transition:var(--transition-fast)}.close-btn:hover{color:var(--color-danger)}.modal-body{flex:1;overflow-y:auto;padding:0}.modal-footer{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) var(--spacing-lg);border-top:1px solid var(--color-border);background:var(--color-bg-alt)}.viewer-tools{display:flex;gap:var(--spacing-sm)}.tool-btn{padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-bg-card);border:1px solid 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