:root{--bg:#f5f5f7;--bg-elevated:#fff;--bg-hover:rgba(0,0,0,.04);--bg-active:rgba(0,0,0,.08);--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-tertiary:#86868b;--accent:#0071e3;--accent-hover:#0077ed;--accent-soft:#e8f4fd;--accent-soft-hover:#d6edfc;--danger:#ff3b30;--danger-soft:#ffebea;--success:#34c759;--success-soft:#e8f8ec;--border:rgba(0,0,0,.08);--border-strong:rgba(0,0,0,.12);--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow:0 4px 16px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(0,0,0,.1);--shadow-focus:0 0 0 3px rgba(0,113,227,.25);--radius:12px;--radius-sm:8px;--radius-lg:16px;--radius-xl:20px;--radius-pill:999px;--header-height:3.5rem;--left-column-min-width:16rem;--left-column-max-width:26.5rem;--messages-container-width:42rem;--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI","Helvetica 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.resize-handle{background:var(--accent);opacity:.4}.app-container .main{background:var(--bg-elevated);border-left:1px solid var(--border);display:flex;flex:1;flex-direction:column;min-height:0;min-width:0;overflow:hidden}.app-container .main.has-profile{flex-direction:row}.app-container .main .main-chat{display:flex;flex:1;flex-direction:column;min-height:0;min-width:0;overflow:hidden}.app-container .main .main-chat>.card.window,.app-container .main>.card.window{background:transparent;border:none;border-radius:0;box-shadow:none;display:flex;flex:1;flex-direction:column;min-height:0;overflow:hidden}.app-container .main .main-chat>.empty-chat,.app-container .main .main-chat>.ws-banner,.app-container .main>.empty-chat,.app-container .main>.ws-banner{align-items:center;display:flex;flex:1;justify-content:center;padding:1rem}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-fast),border-color var(--transition-fast)}.card:hover{box-shadow:var(--shadow)}h1,h2,h3{font-weight:var(--font-semibold);letter-spacing:-.02em;line-height:var(--leading-tight);margin:0 0 .5em}h1{font-size:var(--text-2xl)}h2{font-size:var(--text-xl)}h3{font-size:var(--text-lg)}.button{background:var(--accent);border:none;border-radius:var(--radius);color:#fff;cursor:pointer;font-size:var(--text-sm);font-weight:var(--font-semibold);padding:12px 20px;transition:background var(--transition-fast),transform var(--transition-spring),box-shadow var(--transition-fast)}.button:hover{background:var(--accent-hover);box-shadow:var(--shadow);transform:translateY(-1px)}.button:active{transform:translateY(0) scale(.98)}.button:focus-visible{box-shadow:var(--focus-ring)}.button.secondary{background:var(--accent-soft);color:var(--accent)}.button.secondary:hover{background:var(--accent-soft-hover)}.input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-family:inherit;font-size:var(--text-base);padding:12px 14px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);width:100%}.input::-moz-placeholder{color:var(--text-tertiary)}.input::placeholder{color:var(--text-tertiary)}.input:hover{border-color:var(--border-strong)}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0071e326;outline:none}.muted{color:var(--text-secondary);font-size:var(--text-sm)}@media(max-width:900px){.app-container{flex-direction:column;gap:0;margin:0;padding:0}.app-container .sidebar{flex:1 1 auto;max-width:none!important;min-height:100vh;min-width:0;padding-bottom:40px;width:100%!important}.app-container .main{border-left:none;min-height:0}.app-container.has-chat .sidebar,.app-container:not(.has-chat) .main{display:none}.app-container.has-chat .main{flex:1;min-height:0}.app-shell :focus{outline:none!important}.app-shell :focus-visible{box-shadow:none!important;outline:none!important}.app-shell .input:focus{box-shadow:none}.app-shell .button:focus-visible{box-shadow:none}}.app-shell[data-v-ee0e9048]{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.notification-banner[data-v-ee0e9048]{background:var(--accent-soft,#e3f2fd);box-shadow:0 1px 3px #00000014;color:var(--accent,#1976d2);flex-shrink:0;font-size:13px;line-height:1.35;padding:8px 16px;text-align:center}.notification-banner-prompt[data-v-ee0e9048]{align-items:center;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.notification-banner-text[data-v-ee0e9048]{align-items:center;display:flex;flex-direction:column;gap:4px}.notification-hint[data-v-ee0e9048]{font-size:12px;margin:0;max-width:420px;opacity:.95}.notification-banner-btn[data-v-ee0e9048]{background:transparent;border:1px solid var(--accent,#1976d2);border-radius:6px;color:var(--accent,#1976d2);cursor:pointer;flex-shrink:0;font-size:13px;font-weight:500;padding:6px 14px;transition:background .15s,color .15s}.notification-banner-btn[data-v-ee0e9048]:hover{background:var(--accent,#1976d2);color:#fff}.app-shell-main[data-v-ee0e9048]{display:flex;flex:1;flex-direction:column;min-height:0}