:root{--app-bg:var(--dx-color-main-bg,#fff);--app-text:var(--dx-color-text,#1a1a1a);--app-surface:var(--dx-component-color-bg,var(--dx-color-main-bg,#fff));--app-border:var(--dx-color-border,#00000024);--app-accent:var(--dx-color-primary,#337ab7);--app-hover:color-mix(in srgb, var(--dx-color-text,#000) 7%, transparent);--app-active:color-mix(in srgb, var(--dx-color-primary,#337ab7) 14%, transparent)}html,body{height:100%}body{background:var(--app-bg);color:var(--app-text);-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;overscroll-behavior-y:none;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}h1{letter-spacing:-.01em;margin:0 0 16px;font-size:26px;font-weight:700}h2{margin:24px 0 8px;font-size:16px;font-weight:600}@media (width<=768px){.dx-texteditor-input{font-size:16px}}.conv-panel{flex-direction:column;gap:10px;height:100%;min-height:0;display:flex}.conv-panel__top{flex-direction:column;gap:8px;display:flex}.conv-panel__list{flex-direction:column;flex:1;gap:4px;min-height:0;display:flex;overflow-y:auto}.conv-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.conv-list--nested{margin-left:14px}.conv-row{border-radius:8px;align-items:center;gap:4px;padding-right:2px;display:flex}.conv-row:hover{background:var(--app-hover)}.conv-row--active{background:color-mix(in srgb, var(--dx-color-primary,#337ab7) 16%, transparent)}.conv-row__title{min-width:0;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;flex:1;align-items:center;gap:8px;padding:8px 6px;display:flex}.conv-row__title>span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.conv-row__title .dx-icon{opacity:.55;font-size:15px}.conv-row__actions,.conv-folder__actions{opacity:0;align-items:center;transition:opacity .12s;display:flex}.conv-row:hover .conv-row__actions,.conv-row--active .conv-row__actions,.conv-folder__head:hover .conv-folder__actions{opacity:1}.conv-row__actions .dx-button,.conv-folder__actions .dx-button{min-width:30px}.conv-row--editing{padding:2px}.conv-folders__head{justify-content:space-between;align-items:center;margin-top:10px;padding:0 6px;display:flex}.conv-folders__label{text-transform:uppercase;letter-spacing:.04em;opacity:.55;font-size:12px}.conv-folder-new{padding:2px 4px 6px}.conv-folder__head{border-radius:8px;align-items:center;gap:4px;display:flex}.conv-folder__head:hover{background:var(--app-hover)}.conv-folder__toggle{min-width:0;color:inherit;font:inherit;cursor:pointer;background:0 0;border:none;flex:1;align-items:center;gap:6px;padding:8px 6px;display:flex}.conv-folder__toggle .dx-icon{opacity:.6;font-size:15px}.conv-folder__name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.conv-folder__count{opacity:.5;margin-left:auto;font-size:12px}.conv-empty{opacity:.6;margin:0;padding:8px 6px;font-size:13px}.conv-move{flex-direction:column;gap:8px;display:flex}.app-conversations{border-top:1px solid var(--app-border);flex-direction:column;flex:1;min-height:0;margin-top:12px;padding-top:12px;display:flex}.app-conversations__title{text-transform:uppercase;letter-spacing:.04em;opacity:.55;margin:0 0 8px;padding:0 6px;font-size:12px}.conv-page{flex-direction:column;height:100%;min-height:0;display:flex}.conv-toplevel{border-radius:8px}.conv-drop--over{outline:2px dashed var(--dx-color-primary,#337ab7);outline-offset:-2px;background:color-mix(in srgb, var(--dx-color-primary,#337ab7) 10%, transparent)}.conv-drop-hint{text-align:center;opacity:.7;border:1px dashed var(--app-border);border-radius:8px;margin:0;padding:12px 8px;font-size:12px}.conv-row[draggable=true]{cursor:grab}.app-shell{min-height:100dvh}.app-shell--desktop{grid-template-columns:280px 1fr;display:grid}.app-sidebar{border-right:1px solid var(--app-border);flex-direction:column;gap:16px;height:100dvh;padding:16px 12px;display:flex;position:sticky;top:0;overflow:hidden}.app-brand{padding:8px 12px;font-size:20px;font-weight:600}.app-nav{flex-direction:column;gap:4px;display:flex}.app-nav__link{min-height:44px;color:inherit;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;text-decoration:none;display:flex}.app-nav__link:hover{background:var(--app-hover)}.app-nav__link.active{background:var(--app-active);color:var(--app-accent);font-weight:600}.app-nav__group{flex-direction:column;display:flex}.app-nav__group-header{width:100%;min-height:44px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;display:flex}.app-nav__group-header:hover{background:var(--app-hover)}.app-nav__chevron{opacity:.7;margin-left:auto;font-size:14px}.app-nav__children{border-left:1px solid var(--app-border);flex-direction:column;gap:2px;margin:2px 0 2px 18px;padding-left:8px;display:flex}.app-nav__link--child{min-height:40px}.app-main{flex-direction:column;min-width:0;min-height:100dvh;display:flex}.app-topbar{padding:8px 16px;padding-top:calc(8px + env(safe-area-inset-top));border-bottom:1px solid var(--app-border);justify-content:space-between;align-items:center;gap:12px;display:flex}.app-topbar__user{font-weight:600}.app-content{flex:1;padding:24px}.app-shell--mobile .app-content{padding:16px 16px calc(80px + env(safe-area-inset-bottom))}.app-shell--desktop .app-main{height:100dvh;min-height:0;overflow:hidden}.app-shell--desktop .app-content{min-height:0;overflow-y:auto}.app-bottom-nav{height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--app-border);background:var(--app-surface);display:flex;position:fixed;bottom:0;left:0;right:0}.app-bottom-nav__link{min-height:44px;color:inherit;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:12px;text-decoration:none;display:flex}.app-bottom-nav__link.active{color:var(--app-accent);font-weight:600}.app-sidebar__resizer{cursor:col-resize;z-index:5;width:6px;position:absolute;top:0;bottom:0;right:-3px}.app-sidebar__resizer:hover,.app-sidebar__resizer:active{background:color-mix(in srgb, var(--dx-color-primary,#337ab7) 45%, transparent)}.auth-page{min-height:100dvh;padding:16px;padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:calc(16px + env(safe-area-inset-bottom));justify-content:center;align-items:center;display:flex}.auth-card{border:1px solid var(--app-border);background:var(--app-surface);border-radius:12px;flex-direction:column;gap:16px;width:100%;max-width:360px;padding:24px;display:flex}.auth-title{text-align:center;margin:0 0 4px}.auth-hint{color:var(--app-text);opacity:.75;text-align:center;margin:0 0 4px;font-size:14px}.auth-error{color:var(--dx-color-danger,#d9534f);margin:0;font-size:14px}