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.5rem;display:flex;flex-direction:column;gap:.4rem}.conv-new-chat{width:100%;padding:.5rem .75rem;font-size:.8rem;font-weight:600;border-radius:var(--radius-md);border:1px solid var(--accent-bot);background:transparent;color:var(--accent-bot);cursor:pointer}.conv-new-chat:hover{background:var(--button-refresh-hover-bg)}.conv-sidebar-collapse{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:.35rem;padding:.45rem .65rem;font-size:.72rem;font-weight:600;border-radius:var(--radius-md);border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer}.conv-sidebar-collapse svg{width:18px;height:18px;flex-shrink:0}.conv-sidebar-collapse:hover{border-color:var(--accent-bot);color:var(--accent-bot)}.app-body.sidebar-collapsed .conv-sidebar{width:0;min-width:0;padding:0;border-right:none;overflow:hidden;opacity:0;pointer-events:none}.app-body.sidebar-collapsed 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.75rem}.conv-sidebar-empty{font-size:.75rem;color:var(--text-muted);padding:.5rem .75rem;margin:0}.conv-list{list-style:none;margin:0;padding:0}.conv-list li{margin-bottom:.35rem}.conv-item{width:100%;text-align:left;padding:.55rem .65rem;border-radius:var(--radius-md);border:1px solid transparent;background:var(--bg-elevated);color:var(--text-primary);cursor:pointer;display:flex;flex-direction:column;gap:.2rem;transition:border-color .15s ease,background .15s ease}.conv-item:hover{border-color:var(--border-strong)}.conv-item.is-active{border-color:var(--accent-bot);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent-bot) 35%,transparent)}.conv-item--current.is-active{background:color-mix(in srgb,var(--accent-bot) 14%,var(--bg-elevated))}.conv-item--current.is-draft.is-active{border-style:dashed}.conv-item--history{background:color-mix(in srgb,var(--bg-canvas) 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.typing-card{flex:1;min-width:0}.conv-item-title{font-size:.78rem;font-weight:600;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.conv-item-meta{font-size:.65rem;color:var(--text-muted)}.auth-page{position:relative;box-sizing:border-box;width:100%;height:100%;min-height:0;display:flex;align-items:flex-start;justify-content:center;padding:clamp(.75rem,2.5vw,1.5rem);padding-top:max(clamp(.75rem,2.5vw,1.5rem),env(safe-area-inset-top,0px));padding-bottom:max(clamp(.75rem,2.5vw,1.5rem),env(safe-area-inset-bottom,0px));overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch}@media (min-height: 600px){.auth-page{align-items:center}}.auth-page-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse 80% 60% at 20% 10%,var(--bg-mesh-1),transparent 55%),radial-gradient(ellipse 70% 50% at 85% 90%,var(--bg-mesh-2),transparent 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