html{--vaadin-app-layout-drawer-width:280px;--chat-max-width:900px;--lumo-base-color:#0f172a;--lumo-body-text-color:#e2e8f0;--lumo-secondary-text-color:#94a3b8;--lumo-tertiary-text-color:#64748b;--lumo-contrast-5pct:#162032;--lumo-contrast-10pct:#1e293b;--lumo-contrast-20pct:#334155;--lumo-contrast-30pct:#475569;--lumo-contrast-40pct:#5a6e8a;--lumo-contrast-50pct:#7488a6;--lumo-contrast-60pct:#8fa0ba;--lumo-contrast-70pct:#a8b7cc;--lumo-contrast-80pct:#c2d0e0;--lumo-contrast-90pct:#d9e2ef;--lumo-primary-color:#9f6eed;--lumo-primary-color-10pct:#9f6eed1f;--lumo-primary-color-20pct:#9f6eed33;--lumo-primary-color-50pct:#9f6eed73;--lumo-primary-text-color:#a577ee;--lumo-primary-contrast-color:#fff;--lumo-error-color:#e45858;--lumo-error-color-10pct:#e4585824;--lumo-success-color:#27b964;--lumo-border-radius-m:12px;--lumo-border-radius-l:16px;--lumo-border-radius-s:8px;--lumo-font-family:Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;--lumo-box-shadow-s:0 2px 10px #090e1a66;--lumo-box-shadow-m:0 6px 20px #090e1a80;--lightningcss-light: ;--lightningcss-dark:initial;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:var(--lumo-base-color)}html[theme~=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:var(--lumo-base-color);--lumo-base-color:#fff!important;--lumo-body-text-color:#1a202c!important;--lumo-secondary-text-color:#5a6b88!important;--lumo-tertiary-text-color:#7a8aa6!important;--lumo-contrast-5pct:#f1f5f9!important;--lumo-contrast-10pct:#e2e8f0!important;--lumo-contrast-20pct:#cbd5e1!important;--lumo-contrast-30pct:#94a3b8!important;--lumo-contrast-40pct:#64748b!important;--lumo-contrast-50pct:#475569!important;--lumo-primary-color:#0f172a!important;--lumo-primary-color-10pct:#0f172a14!important;--lumo-primary-color-20pct:#0f172a24!important;--lumo-primary-color-50pct:#0f172a80!important;--lumo-primary-text-color:#0f172a!important;--lumo-primary-contrast-color:#fff!important;--lumo-box-shadow-s:0 2px 8px #00000014!important;--lumo-box-shadow-m:0 4px 16px #0000001f!important}html[theme~=light] .chat-view{background:#f8fafc!important}html[theme~=light] vaadin-app-layout::part(drawer){background:#fff!important}html[theme~=light] .chat-view__messages-container{background:#f8fafc!important}.session-sidebar.sidebar-collapsed{display:none}@media (width<=768px){.session-sidebar{display:none}.session-sidebar.sidebar-collapsed{display:flex}}.sidebar-toggle-btn vaadin-icon{transition:transform .2s}.lucide-icon{vertical-align:middle;justify-content:center;align-self:center;align-items:center;line-height:0;display:inline-flex}.lucide-icon svg{vertical-align:middle;display:block}vaadin-button .lucide-icon,vaadin-side-nav-item .lucide-icon{vertical-align:middle;align-self:center}.login-view{background:var(--lumo-contrast-5pct)}.login-card{background:var(--lumo-contrast-5pct);border:1px solid var(--lumo-contrast-10pct);border-radius:var(--lumo-border-radius-l);max-width:420px;box-shadow:var(--lumo-box-shadow-s);padding:var(--lumo-space-l);gap:var(--lumo-space-m);align-items:center;margin:0 auto}html[theme~=light] .login-card{background:var(--lumo-base-color);border-color:var(--lumo-contrast-10pct)}.login-card h1{letter-spacing:-.02em}.login-button{letter-spacing:.01em;border-radius:var(--lumo-border-radius-m);margin-top:var(--lumo-space-s);font-weight:500!important}.login-button::part(label){font-weight:500}.login-info{margin-top:var(--lumo-space-m);padding-top:var(--lumo-space-m);border-top:1px solid var(--lumo-contrast-10pct);opacity:.8;width:100%;line-height:1.5}.side-nav{--vaadin-side-nav-child-indent:0;width:100%;padding:8px 0}.app-drawer{padding:var(--lumo-space-s);gap:var(--lumo-space-s)}.view-title{font-weight:500;line-height:1.3;font-size:var(--lumo-font-size-m)!important}.logout-button{color:var(--lumo-secondary-text-color);margin-left:auto}.user-footer{margin-top:var(--lumo-space-s);padding-top:var(--lumo-space-s);border-top:1px solid var(--lumo-contrast-10pct);width:100%}.user-name{font-size:var(--lumo-font-size-xs);word-break:normal;white-space:normal;text-overflow:clip;flex:1 1 0;min-width:0;font-weight:600;line-height:1.3;display:block;overflow:visible}.user-footer{flex-wrap:nowrap;align-items:center}.user-footer .user-name{min-width:0}.dark-toggle{margin-left:auto}.chat-session-item .chat-session-delete-btn{opacity:0;visibility:hidden;pointer-events:none;color:var(--lumo-tertiary-text-color);--lumo-button-size:var(--lumo-size-s);margin:0;transition:opacity .15s,visibility .15s}vaadin-side-nav-item.chat-session-item:hover .chat-session-delete-btn,vaadin-side-nav-item.chat-session-item:focus-within .chat-session-delete-btn{opacity:1;visibility:visible;pointer-events:auto}.chat-session-delete-btn:hover{color:var(--lumo-error-color)!important;background:var(--lumo-error-color-10pct)!important}.chat-session-delete-btn::part(label){padding:0}.side-nav-group-header{font-size:var(--lumo-font-size-xs);letter-spacing:normal;text-transform:none;color:var(--lumo-secondary-text-color);margin:var(--lumo-space-s) 0 calc(var(--lumo-space-xs) / 2) var(--lumo-space-xs);padding:0;font-weight:700;line-height:1.2}.side-nav-container{gap:0}vaadin-side-nav-item.chat-session-item,vaadin-side-nav-item.chat-session-item::part(item){font-size:var(--lumo-font-size-s);text-transform:none;letter-spacing:normal;font-weight:500}vaadin-side-nav-item.chat-session-item{margin-block:var(--lumo-space-xs)}vaadin-side-nav-item.chat-session-item::part(content){border-radius:var(--lumo-border-radius-s)}vaadin-side-nav-item.chat-session-item::part(content):hover{border-radius:var(--lumo-border-radius-s);background:var(--lumo-contrast-5pct)!important}vaadin-side-nav-item.chat-session-item[current]::part(content),vaadin-side-nav-item.chat-session-item[current]:hover::part(content){border-radius:var(--lumo-border-radius-s);background:var(--lumo-primary-color-10pct)!important;color:var(--lumo-primary-text-color)!important}vaadin-side-nav-item::part(link),vaadin-side-nav-item::part(content){padding-block:var(--lumo-space-xs)}.chat-view{background:var(--lumo-contrast-5pct);padding:0;overflow:hidden}.chat-view__wrapper{background:0 0;width:100%;max-width:none;height:100%;margin:0;overflow:hidden}.chat-view__wrapper--empty{justify-content:center;align-items:center}.chat-view__wrapper--chat{justify-content:flex-start;align-items:center}.chat-view__messages-container{box-sizing:border-box;background:0 0;width:100%;height:100%;overflow:hidden auto}.chat-view__centered-messages{max-width:var(--chat-max-width);box-sizing:border-box;width:100%;min-width:0;margin:0 auto}.chat-view__message-list{--vaadin-message-list-item-max-width:75%;box-sizing:border-box;overflow-wrap:anywhere;word-break:break-word;width:100%;max-width:100%;padding:16px;overflow-x:hidden}.chat-view__welcome-title{color:var(--lumo-secondary-text-color);font-weight:400;font-size:var(--lumo-font-size-xl);letter-spacing:-.02em;text-align:center;width:100%;margin:0 0 20px}.chat-view__input{width:100%;background:var(--lumo-contrast-5pct)!important;border:1px solid var(--lumo-contrast-10pct)!important;border-radius:var(--lumo-border-radius-l)!important;box-shadow:var(--lumo-box-shadow-m)!important;align-items:center!important;gap:8px!important;padding:8px 12px!important}html[theme~=light] .chat-view__input{background:var(--lumo-base-color)!important;border-color:var(--lumo-contrast-10pct)!important;box-shadow:var(--lumo-box-shadow-s)!important}.chat-view__input-wrapper{max-width:var(--chat-max-width);background:0 0;width:100%;margin:0 auto;padding:8px 12px 12px}.chat-view__input-field{--vaadin-input-field-border-width:0;min-height:44px;max-height:120px}.chat-view__input-field::part(input-field){box-shadow:none;background:0 0;border:none;max-height:120px;overflow-y:auto}.chat-view__send-button{flex-shrink:0;border-radius:50%!important;justify-content:center!important;align-items:center!important;width:36px!important;min-width:36px!important;height:36px!important;min-height:36px!important;padding:0!important;line-height:0!important;display:inline-flex!important}.chat-view__send-button::part(label){justify-content:center!important;align-items:center!important;padding:0!important;line-height:0!important;display:flex!important}.chat-view__send-button .lucide-icon{justify-content:center!important;align-items:center!important;margin:0!important;line-height:0!important;display:flex!important}.chat-view__send-button .lucide-icon svg{margin:0 auto!important;display:block!important}.chat-view__message-list pre{box-sizing:border-box;max-width:100%}.chat-view__message-list ul,.chat-view__message-list ol{margin:6px 0;padding-left:20px}.chat-view__attachment-bar{background:0 0;gap:6px;padding:4px 0 6px}.chat-view__attachment-chips{gap:6px}.chat-view__attachment-chip{background:var(--lumo-contrast-10pct);border:1px solid var(--lumo-contrast-20pct);border-radius:var(--lumo-border-radius-m);font-size:var(--lumo-font-size-s);align-items:center;gap:6px;max-width:240px;padding:4px 8px;display:inline-flex}.chat-view__attachment-name{text-overflow:ellipsis;white-space:nowrap;max-width:180px;overflow:hidden}.chat-view__attachment-remove{--lumo-button-size:var(--lumo-size-xs);min-width:20px;min-height:20px}.chat-view__drop-overlay{border:2px dashed var(--lumo-primary-color);border-radius:var(--lumo-border-radius-l);z-index:1000;pointer-events:none;background:#9f6eed1f;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.chat-view--dragover .chat-view__drop-overlay{display:flex!important}.chat-view__attachment-chip--uploading{opacity:.8}.chat-view__attachment-progress{width:60px;height:4px}.chat-view__drop-text{color:var(--lumo-primary-text-color);background:var(--lumo-base-color);border-radius:var(--lumo-border-radius-m);box-shadow:var(--lumo-box-shadow-s);padding:8px 16px;font-weight:600}.chat-view__messages-container::-webkit-scrollbar{width:6px}.chat-view__messages-container::-webkit-scrollbar-thumb{background:var(--lumo-contrast-20pct);border-radius:3px}.chat-view__messages-container::-webkit-scrollbar-thumb:hover{background:var(--lumo-contrast-30pct)}*{scrollbar-width:thin;scrollbar-color:var(--lumo-contrast-20pct) transparent}