:root{--bg:#18181b;--surface:#27272a;--surface-hover:#2f2f33;--border:#ffffff1f;--border-subtle:#ffffff0f;--bg-subtle:#ffffff0a;--text:#f4f4f5;--text-secondary:#a1a1aa;--text-muted:#71717a;--accent:#24d455;--accent-hover:#1fbf4a;--danger:#e53e3e;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono:"SF Mono", Monaco, "Cascadia Code", "Roboto Mono", "DejaVu Sans Mono", monospace;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--radius-input:18px;--radius-button:12px;--radius-chip:999px;--radius-card:20px;--shadow-none:none;--thinking-bg:#1e1e22;--border-header:#ffffff08;--border-width:0;--icon-sm:14px;--icon-md:16px;--icon-lg:18px;--icon-stroke:1.7;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-slow:.3s ease}[data-theme=light]{--bg:#fafafa;--surface:#fff;--surface-hover:#f5f5f5;--border:#0000001a;--border-subtle:#0000000f;--bg-subtle:#0000000a;--text:#171717;--text-secondary:#737373;--text-muted:#a3a3a3;--accent:#24d455;--accent-hover:#1fbf4a;--thinking-bg:#f0f0f0;--border-header:#00000008;--border-width:0}*{box-sizing:border-box;margin:0}::selection{background:var(--accent);color:#fff}:focus{outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}body{font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text);flex-direction:column;min-height:100vh;margin:0;padding:0;font-size:16px;font-weight:400;line-height:1.6;display:flex}h1{font-family:var(--font);color:var(--text);letter-spacing:-.025em;font-optical-sizing:auto;margin:0 0 .5rem;font-size:1.75rem;font-weight:700;line-height:1.2}h2{font-family:var(--font);color:var(--text-secondary);letter-spacing:-.01em;font-optical-sizing:auto;margin:0 0 .75rem;font-size:1rem;font-weight:500;line-height:1.4}h3{font-family:var(--font);color:var(--text);letter-spacing:-.015em;font-optical-sizing:auto;margin:2rem 0 1rem;font-size:1.125rem;font-weight:600;line-height:1.3}h4{font-family:var(--font);color:var(--text);font-optical-sizing:auto;margin:1.5rem 0 .5rem;font-size:1rem;font-weight:500;line-height:1.4}p{font-family:var(--font);color:var(--text-secondary);font-optical-sizing:auto;margin:0 0 1rem;font-size:1rem;font-weight:400;line-height:1.6}.app-container{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.btn{cursor:pointer;-webkit-user-select:none;user-select:none;font:inherit;border-radius:var(--radius-button);transition:all var(--transition-fast);border:1px solid #0000;justify-content:center;align-items:center;gap:6px;font-size:.85rem;font-weight:500;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn--primary:hover{background:var(--accent-hover)}.btn--secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn--secondary:hover{background:var(--surface-hover)}.btn--ghost{color:var(--text);background:0 0;border-color:#0000}.btn--ghost:hover{background:var(--surface-hover)}.landing{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;max-width:48rem;min-height:0;margin:0 auto;padding:2rem 1.5rem;display:flex}.landing-inner{width:100%;max-width:48rem;transform:translateY(-48px)}.landing-brand{flex-direction:column;align-items:center;gap:4px;margin-bottom:12px;display:flex}.landing-palm{filter:drop-shadow(0 1px 3px #0000001f);opacity:.7;width:23px;height:23px;color:var(--accent)}.landing-title{color:var(--text);letter-spacing:-.03em;font-size:1.25rem;font-weight:500;line-height:1}.landing-suggestions{flex-wrap:wrap;gap:10px;padding:12px 24px 4px;display:flex}.landing-composer{background:var(--surface);border-radius:var(--radius-card);border:var(--border-width) solid var(--border-subtle);transition:background var(--transition-fast), box-shadow var(--transition-fast);flex-direction:column;display:flex}.landing-composer:focus-within{background:var(--surface-hover);box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent)}.landing-composer .composer{background:0 0;border:none;border-radius:0}.conversation-layout{flex-direction:column;flex:1;min-height:0;display:flex}.conversation-scroll{flex:1;width:100%;max-width:48rem;min-height:0;margin:0 auto;padding-top:24px;font-size:1rem;line-height:1.6;overflow-y:auto}.conversation-composer{background:var(--surface);border-radius:var(--radius-card);border:var(--border-width) solid var(--border-subtle);width:100%;max-width:48rem;padding-bottom:env(safe-area-inset-bottom,0px);transition:background var(--transition-fast), box-shadow var(--transition-fast);border-top:none;flex-direction:column;flex-shrink:0;margin:24px auto 0;display:flex}.conversation-composer:focus-within{background:var(--surface-hover);box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 15%, transparent)}.conversation-composer .composer{background:0 0;border:none;border-radius:0}.conversation-composer .composer-input-row{padding:10px 24px 4px}.conversation-loading{justify-content:center;padding:2rem 0;display:flex}.response-container{background:var(--surface);border-radius:var(--radius-card);border:var(--border-width) solid var(--border-subtle);margin-bottom:.75rem;padding:1.25rem}.thinking-container{margin-bottom:.5rem}.thinking-toggle{font:inherit;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;background:0 0;border:none;align-items:center;gap:4px;padding:0;font-size:.8125rem;display:inline-flex}.thinking-toggle:hover{color:var(--text)}.thinking-toggle-icon{transition:transform var(--transition-fast);justify-content:center;align-items:center;font-size:.6rem;line-height:1;display:inline-flex}.thinking-toggle[aria-expanded=true] .thinking-toggle-icon{transform:rotate(90deg)}.thinking-content{background:var(--thinking-bg);border-radius:var(--radius-card);border:var(--border-width) solid var(--border-subtle);color:var(--text-secondary);word-wrap:break-word;margin-top:.5rem;padding:1rem 1.25rem;font-size:.8125rem;line-height:1.55;overflow-x:auto}.thinking-content p{color:var(--text-secondary);font-size:.8125rem}.image-container{background:var(--surface);border-radius:var(--radius-card);border:var(--border-width) solid var(--border-subtle);text-align:center;margin-bottom:.75rem;padding:1.25rem}.image-container img{border-radius:6px;max-width:100%;height:auto;margin-bottom:.75rem}.button{border-radius:var(--radius-button);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);border:none;align-items:center;gap:.25rem;padding:.375rem .875rem;font-size:.875rem;font-weight:500;display:inline-flex}.button:disabled{opacity:.5;cursor:not-allowed}.button-primary{background:var(--accent);color:#fff}.button-primary:hover:not(:disabled){background:var(--accent-hover)}.button-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.button-secondary:hover:not(:disabled){background:var(--surface-hover)}.button-outline{color:var(--text);border:1px solid var(--border);background:0 0}.button-outline:hover:not(:disabled){background:var(--surface-hover);border-color:var(--text-secondary)}.audio-player{width:100%;max-width:300px;margin:0 auto}.audio-player audio{border-radius:6px;width:100%}@media (width<=768px){.response-container,.thinking-container,.image-container{padding:1.5rem}.button{justify-content:center}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}html{scroll-behavior:smooth}.app-header{background:var(--bg);z-index:100;justify-content:space-between;align-items:center;height:40px;padding:0 24px;display:flex;position:sticky;top:0}.app-header-left{align-items:center;gap:8px;display:flex}.app-header-logo{opacity:.6;width:16px;height:16px;color:var(--accent);flex-shrink:0}.app-header-title{color:var(--text-secondary);letter-spacing:-.01em;font-size:.9rem;font-weight:500;line-height:1}.app-header-right{align-items:center;gap:2px;display:flex;position:relative}.app-header-btn{color:var(--text-muted);border:none;padding:4px}.app-header-btn:hover{color:var(--text-secondary)}.app-header-btn:active{transform:scale(.92)}.accent-picker-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:4px;display:flex}.accent-picker-btn:hover{color:var(--text-secondary)}.accent-picker-btn:active{transform:scale(.92)}.accent-picker-popup{background:var(--surface);border:var(--border-width) solid var(--border-subtle);border-radius:var(--radius-card);z-index:100;gap:4px;margin-top:4px;padding:6px;display:flex;position:absolute;top:100%;right:0;box-shadow:0 4px 12px #00000026}.accent-swatch{cursor:pointer;border:1.5px solid #0000;border-radius:50%;width:18px;height:18px;padding:0;transition:transform .15s}.accent-swatch:hover{border-color:var(--text-muted);transform:scale(1.25)}.accent-swatch.active{border-color:var(--text);box-shadow:0 0 0 1px var(--text)}.settings-menu-wrapper{display:flex;position:relative}.settings-dropdown{background:var(--surface);border:var(--border-width) solid var(--border-subtle);border-radius:var(--radius-card);min-width:200px;max-height:calc(100vh - 16px);padding:4px;overflow:hidden auto;box-shadow:0 4px 16px #0003}.settings-dropdown-item{width:100%;color:var(--text-secondary);border-radius:var(--radius-button);cursor:pointer;text-align:left;transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:none;align-items:center;gap:8px;padding:6px 10px;font-size:.82rem;line-height:1.4;display:flex}.settings-dropdown-item:hover{background:var(--surface-hover);color:var(--text)}.settings-dropdown-item:focus-visible{background:var(--surface-hover);outline:none}.settings-dropdown-item-btn{width:100%;color:inherit;font:inherit;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:8px;padding:0;line-height:1.4;display:flex}.settings-dropdown-icon{color:var(--text-muted);flex-shrink:0;align-items:center;display:flex}.settings-dropdown-label{flex:1}.settings-dropdown-value{color:var(--text-muted);font-size:.78rem}.settings-dropdown-accent-dot{border:1.5px solid var(--border-subtle);border-radius:50%;flex-shrink:0;width:12px;height:12px}.accent-picker-popup--dropdown{z-index:1001;margin-top:4px;position:absolute;top:100%;left:0}.settings-dropdown-item--accent{padding:0;position:relative}.settings-dropdown-item--expandable{padding:0}.settings-dropdown-item--accent .settings-dropdown-item-btn,.settings-dropdown-item--expandable .settings-dropdown-item-btn{border-radius:var(--radius-button);padding:6px 10px}.settings-dropdown-item-btn:focus-visible{background:var(--surface-hover);outline:none}.settings-dropdown-toggle{align-items:center;display:inline-flex}.settings-dropdown-toggle-track{background:var(--border-subtle);border-radius:8px;width:28px;height:16px;transition:background .2s;position:relative}.settings-dropdown-toggle.on .settings-dropdown-toggle-track{background:var(--accent)}.settings-dropdown-toggle-thumb{background:#fff;border-radius:50%;width:12px;height:12px;transition:transform 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0;display:flex}.settings-dropdown-sub-label{color:var(--text-muted);min-width:70px;font-size:.78rem}.settings-dropdown-sub-value{color:var(--text-muted);text-align:right;min-width:16px;font-size:.78rem}.settings-dropdown-range{appearance:none;border-radius:var(--radius-pill);background:linear-gradient(to right, var(--accent) 0%, var(--accent) var(--range-progress,0%), var(--border-subtle) var(--range-progress,0%), var(--border-subtle) 100%);cursor:pointer;border:0;flex:1;height:4px}.settings-dropdown-range::-webkit-slider-runnable-track{border-radius:var(--radius-pill);background:0 0;height:4px}.settings-dropdown-range::-webkit-slider-thumb{appearance:none;border:2px solid var(--surface);background:var(--accent);width:14px;height:14px;box-shadow:0 0 0 1px var(--accent);border-radius:50%;margin-top:-5px}.settings-dropdown-range::-moz-range-track{border-radius:var(--radius-pill);background:0 0;height:4px}.settings-dropdown-range::-moz-range-thumb{border:2px solid var(--surface);background:var(--accent);width:14px;height:14px;box-shadow:0 0 0 1px var(--accent);border-radius:50%}.settings-dropdown-range:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.settings-dropdown-sub-toggle{width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;border-radius:var(--radius-button);transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:none;align-items:center;gap:8px;padding:6px 0;font-size:.82rem;line-height:1.4;display:flex}.settings-dropdown-sub-toggle:hover{background:var(--surface-hover);color:var(--text)}.settings-dropdown-sub-toggle:focus-visible,.settings-dropdown-item:focus-visible{background:var(--surface-hover);outline:none}.composer{position:relative}.composer-input-row{align-items:flex-start;gap:8px;padding:10px 24px 4px;display:flex}.composer-textarea{color:var(--text);font-family:var(--font);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:24px;max-height:120px;margin:0;padding:8px 0;font-size:.95rem;font-weight:400;line-height:1.6;overflow-y:hidden}.composer-textarea::placeholder{color:var(--text-muted);opacity:.5;transition:opacity .8s ease-in-out}.composer-textarea.placeholder-hidden::placeholder{opacity:0}.composer-actions{flex-shrink:0;align-items:center;gap:6px;padding-top:6px;display:flex}.composer-btn{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-button);transition:color var(--transition-fast), background var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;display:flex}.composer-btn:hover{color:var(--text-secondary);background:var(--surface-hover)}.composer-btn:active{transform:scale(.92)}.composer-btn:disabled{opacity:.3;cursor:not-allowed}.composer-btn--send:not(.has-text){display:none}.composer-btn--send.has-text{color:var(--accent)}.composer-btn--send.has-text:hover{background:color-mix(in srgb, var(--accent) 8%, transparent)}.mode-menu{align-items:center;display:flex;position:relative}.mode-menu-trigger{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-button);transition:color var(--transition-fast);opacity:.55;background:0 0;border:none;justify-content:center;align-items:center;padding:2px;display:flex}.mode-menu-trigger:hover{color:var(--text-secondary);opacity:1}.mode-menu-dropdown{background:var(--surface);border:var(--border-width) solid var(--border-subtle);border-radius:var(--radius-card);z-index:100;flex-direction:column;gap:2px;min-width:130px;padding:4px;display:flex;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);box-shadow:0 4px 20px #00000040}.mode-menu-item{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-button);transition:color var(--transition-fast), background var(--transition-fast);font-size:.8rem;font-weight:400;font-family:var(--font);white-space:nowrap;text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:6px 10px;display:flex}.mode-menu-item:hover{color:var(--text-secondary);background:var(--surface-hover)}.mode-menu-item.active{color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent);font-weight:500}.mode-menu-item-icon{opacity:.6;display:flex}.mode-menu-item.active .mode-menu-item-icon{opacity:1}.mode-menu-item-label{flex:1}.model-menu-trigger{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-button);transition:color var(--transition-fast);font-family:var(--font);white-space:nowrap;opacity:.55;background:0 0;border:none;align-items:center;gap:3px;padding:2px 5px;font-size:.65rem;display:flex}.model-menu-trigger:hover{color:var(--text-secondary);opacity:1}.model-menu-trigger-label{text-overflow:ellipsis;max-width:130px;overflow:hidden}.dropdown-select-menu{background:var(--surface);border:var(--border-width) solid var(--border-subtle);border-radius:var(--radius-card);z-index:1000;flex-direction:column;gap:2px;min-width:160px;padding:4px;display:flex;position:fixed;box-shadow:0 4px 20px #00000040}.model-menu-item{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-button);transition:color var(--transition-fast), background var(--transition-fast);font-size:.8rem;font-weight:400;font-family:var(--font);white-space:nowrap;text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:6px 10px;display:flex}.model-menu-item:hover{color:var(--text-secondary);background:var(--surface-hover)}.model-menu-item.active{color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent);font-weight:500}.model-menu-item-label{flex:1}.chip{color:var(--text-muted);border:1px solid var(--border-subtle);border-radius:var(--radius-chip);cursor:pointer;transition:color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);font-size:.7rem;font-weight:400;font-family:var(--font);letter-spacing:-.01em;white-space:nowrap;opacity:.8;background:0 0;padding:4px 14px}.chip:hover{color:var(--text-secondary);border-color:var(--border);background:var(--surface-hover);opacity:1}.chip--selected{color:var(--accent);border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent)}.loading-dots{align-items:center;gap:8px;display:flex}.loading-dots-label{color:var(--text-muted);font-size:.75rem;font-weight:400}.loading-dots-track{align-items:center;display:flex}.loading-dots-dot{background:var(--text-muted);border-radius:50%;animation:1.4s ease-in-out infinite both loading-dot-bounce}@keyframes loading-dot-bounce{0%,80%,to{opacity:.3;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.sidebar{background:var(--surface);border-left:var(--border-width) solid var(--border-subtle);z-index:1000;flex-direction:column;width:400px;height:100vh;transition:right .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;right:-400px;overflow-y:auto}.sidebar--open{right:0}.sidebar-content{flex:1;padding:1.5rem}.sidebar-product-label{color:var(--text);letter-spacing:-.02em;font-size:.85rem;font-weight:600}.sidebar-header-row{justify-content:space-between;align-items:center;padding:0 0 16px;display:flex}.sidebar-section-label{color:var(--text-secondary);padding:8px 12px;font-size:.8rem;font-weight:500}.sidebar-footer{border-top:1px solid var(--border-subtle);color:var(--text-muted);flex-direction:column;gap:8px;padding:1rem 1.5rem;font-size:.75rem;display:flex}.sidebar-footer-top{justify-content:space-between;align-items:center;display:flex}.sidebar-footer-toggle{color:var(--text-muted);border-radius:6px;padding:.25rem;line-height:0}.sidebar-footer-toggle:hover{color:var(--text);background:var(--surface-hover)}.sidebar-footer-brand{color:var(--text-muted)}.sidebar-footer-links{flex-wrap:wrap;gap:6px;display:flex}.sidebar-footer-link{color:var(--text-secondary);transition:color var(--transition-fast);font:inherit;cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:0;text-decoration:none;display:inline-flex}.sidebar-footer-link:hover{color:var(--text)}@media (width<=768px){.sidebar{width:100vw;right:-100vw}.sidebar.sidebar--open{right:0}}.sidebar-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;visibility:hidden;z-index:999;background:#00000080;width:100vw;height:100vh;transition:all .3s;position:fixed;top:0;left:0}.sidebar-overlay--active{opacity:1;visibility:visible}.app-header-logo-btn{color:inherit;font:inherit;opacity:.85;border:none;gap:8px;padding:0;display:flex}.app-header-logo-btn:hover{opacity:1;background:0 0}.app-header-logo-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.dialog-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#00000080;position:fixed;inset:0}.dialog{background:var(--bg);border:var(--border-width) solid var(--border-subtle);border-radius:var(--radius-card);z-index:1001;min-width:320px;max-width:400px;padding:24px 28px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 32px #0000004d}.dialog-title{color:var(--text);margin:0 0 8px;font-size:1rem;font-weight:600}.dialog-description{color:var(--text-muted);margin:0 0 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