@keyframes rotate-icon{0%{transform:rotate(0deg)}to{transform:rotate(360deg)}}.toast-container{position:fixed;bottom:var(--spacing-xl);right:var(--spacing-xl);z-index:10000;display:flex;flex-direction:column-reverse;gap:var(--spacing-md);max-width:400px;pointer-events:none}.toast{display:flex;align-items:center;gap:12px;padding:var(--spacing-xl) var(--spacing-xl);background:rgba(30,30,30,.95);color:#fff;border-radius:var(--border-radius-lg);box-shadow:0 4px 12px rgba(0,0,0,.3),0 2px 4px rgba(0,0,0,.2);font-size:var(--font-size-lg);line-height:1.4;pointer-events:auto;opacity:0;transform:translateX(calc(100% + 20px));transition:opacity var(--transition-medium) ease,transform var(--transition-medium) ease;border-left:4px solid #4a90e2;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.toast-show{opacity:1;transform:translateX(0)}.toast-hide{opacity:0;transform:translateX(calc(100% + 20px))}.toast-info{border-left-color:#4a90e2}.toast-success{border-left-color:#4caf50}.toast-warning{border-left-color:#ff9800}.toast-error{border-left-color:#f44336}.toast-icon{font-size:20px;font-weight:700;flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.1)}.toast-info .toast-icon{color:#4a90e2}.toast-success .toast-icon{color:#4caf50}.toast-warning .toast-icon{color:#ff9800}.toast-error .toast-icon{color:#f44336}.toast-message{flex:1;word-break:break-word;white-space:pre-wrap}.toast-close{background:0 0;border:0;color:rgba(255,255,255,.7);font-size:24px;line-height:1;cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:color var(--transition-fast) ease}.toast-close:hover{color:#fff}.toast-close:active{transform:scale(.9)}.viewer-toast{position:fixed;top:var(--spacing-xl);left:50%;transform:translateX(-50%);background:rgba(0,0,0,.85);color:#fff;padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--border-radius-md);font-size:13px;z-index:10000;pointer-events:none;opacity:0;transition:opacity var(--transition-medium) ease}.viewer-toast.visible{opacity:1}.viewer-toast.error{background:rgba(200,40,40,.9)}.offline-indicator{position:fixed;bottom:var(--spacing-xl);left:50%;transform:translateX(-50%) translateY(120%);max-width:500px;width:calc(100% - 40px);background:rgba(244,67,54,.95);backdrop-filter:blur(10px);border:1px solid rgba(255,82,82,.3);border-radius:var(--border-radius-lg);box-shadow:0 4px 20px rgba(244,67,54,.4);z-index:9999;opacity:0;transition:all var(--transition-medium) var(--transition-smooth)}.offline-indicator.show,.update-notification-banner.show{transform:translateX(-50%) translateY(0);opacity:1}.offline-indicator-content{display:flex;align-items:center;gap:var(--spacing-xl);padding:var(--spacing-lg) 18px}.offline-indicator-icon{font-size:28px;line-height:1;flex-shrink:0;opacity:.9}.offline-indicator-text{flex:1;min-width:0}.offline-indicator-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:var(--spacing-xs)}.offline-indicator-message{font-size:13px;color:rgba(255,255,255,.9);line-height:1.4}.update-notification-banner{position:fixed;top:var(--spacing-xl);left:50%;transform:translateX(-50%) translateY(-120%);max-width:600px;width:calc(100% - 40px);background:var(--bg-card);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-heavy);z-index:10000;opacity:0;transition:all var(--transition-medium) var(--transition-smooth)}.update-notification-content{display:flex;align-items:center;gap:var(--spacing-xl);padding:var(--spacing-xl) var(--spacing-xl)}.update-notification-icon{font-size:32px;line-height:1;flex-shrink:0;animation:rotate-icon 2s linear infinite}.update-notification-text{flex:1;min-width:0}.update-notification-message{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.update-notification-version-info{margin-bottom:var(--spacing-sm);display:flex;gap:12px;flex-wrap:wrap}.update-notification-version-info .version-label{font-weight:500;color:var(--text-secondary)}.update-notification-version-info .version-value{font-weight:600;color:var(--text-primary);font-family:"Monaco","Menlo","Ubuntu Mono",monospace;background:var(--bg-secondary);padding:2px var(--spacing-sm);border-radius:3px}.update-notification-version-info .version-value-highlight{background:rgba(33,150,243,.1);color:var(--accent-blue)}.update-notification-build-info,.update-notification-version-info{font-size:var(--font-size-md);color:var(--text-secondary)}.update-notification-instruction{font-size:13px;color:var(--text-secondary);margin-top:var(--spacing-lg);line-height:1.5}.update-failed-banner{border-color:rgba(255,152,0,.5);background:linear-gradient(135deg,rgba(255,152,0,.08)0,rgba(255,193,7,.05) 100%)}.update-failed-banner .update-notification-icon{animation:none}.update-notification-actions{display:flex;gap:var(--spacing-lg);flex-shrink:0}.update-notification-btn{padding:var(--spacing-lg) var(--spacing-xl);border:0;border-radius:var(--border-radius-md);font-size:var(--font-size-lg);font-weight:500;cursor:pointer;transition:all var(--transition-fast) ease;white-space:nowrap}.update-notification-btn-primary{background:var(--accent-blue);color:#fff}.update-notification-btn-primary:hover{background:var(--accent-blue-hover);transform:translateY(-1px);box-shadow:0 2px 8px rgba(33,150,243,.3)}.update-notification-btn-primary:active{transform:translateY(0)}.update-notification-btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border-color)}.update-notification-btn-secondary:hover{background:var(--bg-secondary);border-color:var(--text-tertiary)}.update-notification-btn-secondary:active{transform:scale(.98)}@media (max-width:480px){#ui-container{width:100%}#status-panel{top:auto;bottom:var(--spacing-md);right:var(--spacing-md);min-width:150px}.control-grid{grid-template-columns:1fr}.menu-cards{grid-template-columns:repeat(3,1fr)}.action-section{grid-template-columns:1fr}}@media (orientation:portrait) and (pointer:coarse) and (max-width:600px){#ui-container{width:50vw;min-width:50vw;max-width:200px}#ui-container.ui-hidden{margin-left:-50vw}body.menu-open #ui-container{margin-left:0}.panel-tab{left:50vw}#ui-container.ui-hidden~.panel-tab{left:0}body:not(.menu-open) .drawer-handle{left:0}.menu-cards{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.toast-container{bottom:var(--spacing-md);right:var(--spacing-md);left:var(--spacing-md);max-width:none}.toast{font-size:13px;padding:var(--spacing-lg) var(--spacing-xl);gap:var(--spacing-md)}.toast-icon{font-size:18px;width:20px;height:20px}.toast-close{font-size:20px}.offline-indicator{bottom:var(--spacing-md);width:calc(100% - 20px)}.offline-indicator-content{padding:12px var(--spacing-xl)}.offline-indicator-icon{font-size:24px}.offline-indicator-title{font-size:var(--font-size-lg)}.offline-indicator-message{font-size:var(--font-size-md)}.update-notification-banner{top:var(--spacing-md);width:calc(100% - 20px)}.update-notification-content{flex-direction:column;gap:12px;padding:var(--spacing-xl);text-align:center}.update-notification-text{width:100%}.update-notification-actions{width:100%;flex-direction:column}.update-notification-btn{width:100%;padding:var(--spacing-md) var(--spacing-xl)}}@media (prefers-color-scheme:light){.toast{background:rgba(255,255,255,.95);color:#333;box-shadow:0 4px 12px rgba(0,0,0,.15),0 2px 4px rgba(0,0,0,.1)}.toast-close{color:rgba(0,0,0,.5)}.toast-close:hover{color:rgba(0,0,0,.8)}.toast-icon{background:rgba(0,0,0,.05)}}