@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";.sidebar{background:var(--color-bg);border-right:1px solid var(--color-border);z-index:5;text-align:left;flex-direction:column;flex-shrink:0;height:100dvh;transition:width .3s cubic-bezier(.4,0,.2,1);display:flex;position:sticky;top:0;overflow:hidden}.sidebar.open{width:260px}.sidebar.closed{width:68px}.sidebar-header{box-sizing:border-box;justify-content:space-between;align-items:center;min-height:60px;padding:16px 14px;transition:justify-content .3s;display:flex}.sidebar.closed .sidebar-header{justify-content:center}.sidebar-logo{font-family:var(--font-serif);letter-spacing:-.01em;color:var(--color-ink);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:18px;font-weight:600;display:flex}.sidebar-logo .sidebar-dot{background:var(--color-accent);border-radius:50%;width:7px;height:7px;display:inline-block}.sidebar.closed .sidebar-logo{display:none}.toggle-btn{cursor:pointer;color:var(--color-ink-muted);border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;transition:background .2s,color .2s;display:flex}.toggle-btn:hover{background:var(--color-surface-alt);color:var(--color-ink)}.sidebar-top{flex-direction:column;gap:10px;padding:16px 14px;display:flex}.btn-sidebar{border-radius:var(--radius-md);color:var(--color-ink);cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:12px;padding:10px 12px;font-size:15px;font-weight:500;transition:background .2s;display:flex}.sidebar.closed .btn-sidebar{justify-content:center;padding:10px}.btn-sidebar:hover{background:var(--color-surface-alt)}.new-session-btn{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:0 1px 2px #00000005}.new-session-btn:hover{background:var(--color-surface-alt)}.sidebar-middle{scrollbar-width:thin;scrollbar-color:var(--color-border-strong) transparent;flex-direction:column;flex:1;padding:8px 14px;display:flex;overflow:hidden auto}.sidebar-middle::-webkit-scrollbar{width:4px}.sidebar-middle::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:4px}.section-title{color:var(--color-ink-faint);letter-spacing:.8px;text-transform:uppercase;white-space:nowrap;margin:8px 0 8px 12px;font-size:11px;font-weight:700}.recents-list{flex-direction:column;gap:2px;display:flex}.recent-btn{border-radius:var(--radius-md);color:var(--color-ink-muted);cursor:pointer;white-space:nowrap;text-align:left;background:0 0;border:none;align-items:center;gap:12px;padding:8px 12px;font-size:14px;transition:all .2s;display:flex}.recent-btn:hover{background:var(--color-surface-alt);color:var(--color-ink)}.sidebar.closed .recent-btn{justify-content:center;padding:10px}.sidebar-bottom{border-top:1px solid var(--color-border);padding:14px}.profile-card{border-radius:var(--radius-md);align-items:center;gap:12px;padding:6px;transition:background .2s;display:flex}.sidebar.closed .profile-card{justify-content:center;padding:6px 0}.avatar{color:#fff;background:#08060d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:13px;font-weight:600;display:flex}@media (prefers-color-scheme:dark){.avatar{color:#08060d;background:#f3f4f6}}.profile-info{flex-direction:column;flex:1;display:flex;overflow:hidden}.profile-name{color:var(--color-ink);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;line-height:1.2;overflow:hidden}.profile-plan{color:var(--color-ink-muted);margin-top:2px;font-size:12px}.upgrade-btn-small{border:1px solid var(--color-border-strong);border-radius:var(--radius-pill);color:var(--color-ink);cursor:pointer;white-space:nowrap;background:0 0;flex-shrink:0;padding:6px 12px;font-size:12px;font-weight:600;transition:all .2s}.upgrade-btn-small:hover{background:var(--color-ink);color:var(--color-bg)}.sidebar.closed .btn-text,.sidebar.closed .section-title,.sidebar.closed .profile-info,.sidebar.closed .upgrade-btn-small{display:none}.profile-dropdown-container{width:100%;position:relative}.profile-dropdown{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);z-index:50;flex-direction:column;width:100%;padding:6px;animation:.15s ease-out both fadeUp;display:flex;position:absolute;bottom:calc(100% + 8px);left:0;box-shadow:0 4px 12px #00000014}.dropdown-item{border-radius:var(--radius-sm);color:var(--color-ink);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;gap:10px;padding:8px 10px;font-size:14px;font-weight:500;transition:background .2s;display:flex}.dropdown-item:hover{background:var(--color-surface-alt)}.dropdown-item.danger{color:var(--color-error-text)}.dropdown-item.danger:hover{background:var(--color-error-bg)}.dropdown-divider{background:var(--color-border);height:1px;margin:4px 0}.theme-toggle-segmented{background:var(--color-surface-alt);border-radius:var(--radius-md);margin:4px;padding:4px;display:flex}.theme-segment-btn{border-radius:var(--radius-sm);color:var(--color-ink-muted);cursor:pointer;background:0 0;border:none;flex:1;justify-content:center;align-items:center;padding:6px 0;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.theme-segment-btn:hover{color:var(--color-ink)}.theme-segment-btn.active{background:var(--color-surface);color:var(--color-ink);box-shadow:0 1px 3px #00000014}.recent-btn.active{background:var(--color-surface-alt);color:var(--color-ink);font-weight:600}.sidebar-credits{background:var(--color-tag-bg);border:1px 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.hero-note{color:var(--color-ink-muted);margin-top:1.2rem;font-size:.8rem;animation:.6s .4s both fadeUp}.landing-page .demo-preview{max-width:820px;margin:0 auto clamp(3rem,7vw,6rem);padding:0 clamp(1.5rem,5vw,4rem);animation:.7s .45s both fadeUp}.landing-page .demo-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--lp-shadow-lg);text-align:left;border-radius:20px;overflow:hidden}.landing-page .demo-card-header{background:var(--color-surface-alt);border-bottom:1px solid var(--color-border);align-items:center;gap:10px;padding:.75rem 1.25rem;display:flex}.landing-page .demo-dots{gap:6px;display:flex}.landing-page .demo-dots span{background:var(--color-border-strong);border-radius:50%;width:10px;height:10px}.landing-page .demo-dots span:first-child{background:#ff6b6b}.landing-page .demo-dots span:nth-child(2){background:#ffd166}.landing-page .demo-dots span:nth-child(3){background:#6bcb77}.landing-page 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.style-card:hover{box-shadow:var(--lp-shadow-lg);transform:translateY(-3px)}.landing-page .style-card-top{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.landing-page .style-badge{letter-spacing:.06em;text-transform:uppercase;border-radius:var(--radius-pill);padding:.25rem .65rem;font-size:.72rem;font-weight:600}.landing-page .style-card-topic{letter-spacing:.07em;text-transform:uppercase;color:var(--color-ink-muted);margin-bottom:.6rem;font-size:.72rem;font-weight:600}.landing-page .style-card-boring{color:var(--color-ink-muted);background:var(--color-surface-alt);border-radius:8px;margin-bottom:1rem;padding:.6rem .8rem;font-size:.8rem;font-style:italic;line-height:1.5}.landing-page .style-card-result{color:var(--color-ink);font-size:.875rem;line-height:1.65}.landing-page .style-divider{border:none;border-top:1px solid var(--color-border);margin:1rem 0}.landing-page 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.demo-body{grid-template-columns:1fr}.landing-page .demo-panel:first-child{border-right:none;border-bottom:1px solid var(--color-border)}}:root{--color-bg:#f7f5f0;--color-surface:#fff;--color-surface-alt:#f3f1ec;--color-tag-bg:#ede9e2;--color-ink:#1c1a17;--color-ink-muted:#6b6760;--color-ink-faint:#9e9b96;--color-accent:#3e3a34;--color-accent-light:#eae7e0;--color-accent-mid:#8c8881;--color-border:#1c1a171f;--color-border-strong:#1c1a1738;--color-success-bg:#eaf3de;--color-success-text:#3b6d11;--color-success-border:#97c459;--color-error-bg:#fcebeb;--color-error-text:#791f1f;--color-error-border:#f09595;--font-serif:"Inter", -apple-system, sans-serif;--font-sans:"Inter", -apple-system, sans-serif;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-pill:999px;--content-width:738px;--page-padding:1.25rem}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:#1a1814;--color-surface:#211f1c;--color-surface-alt:#161410;--color-tag-bg:#2a2720;--color-ink:#ede9e2;--color-ink-muted:#9e9b96;--color-ink-faint:#6b6760;--color-accent:#c5bdb1;--color-accent-light:#2a2722;--color-accent-mid:#5e5a54;--color-border:#ede9e21a;--color-border-strong:#ede9e22e;--color-success-bg:#1a2b10;--color-success-text:#97c459;--color-success-border:#3b6d11;--color-error-bg:#2a1010;--color-error-text:#f09595;--color-error-border:#791f1f}}:root[data-theme=dark]{--color-bg:#1a1814;--color-surface:#211f1c;--color-surface-alt:#161410;--color-tag-bg:#2a2720;--color-ink:#ede9e2;--color-ink-muted:#9e9b96;--color-ink-faint:#6b6760;--color-accent:#c5bdb1;--color-accent-light:#2a2722;--color-accent-mid:#5e5a54;--color-border:#ede9e21a;--color-border-strong:#ede9e22e;--color-success-bg:#1a2b10;--color-success-text:#97c459;--color-success-border:#3b6d11;--color-error-bg:#2a1010;--color-error-text:#f09595;--color-error-border:#791f1f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{background:var(--color-bg);color:var(--color-ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;min-height:100dvh;font-weight:400;line-height:1.6}#root{flex-direction:column;min-height:100dvh;display:flex}h1,h2,h3{font-family:var(--font-sans);letter-spacing:-.04em;color:var(--color-ink);margin:0;font-weight:500}.font-serif{font-family:var(--font-sans);letter-spacing:-.02em;font-weight:500}.text-muted{color:var(--color-ink-muted)}.text-faint{color:var(--color-ink-faint)}.text-accent{color:var(--color-accent)}.page-shell{width:100%;max-width:var(--content-width);padding:0 var(--page-padding);margin:0 auto}button{font-family:var(--font-sans);cursor:pointer}input,textarea{font-family:var(--font-sans);font-size:1rem}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.animate-fade-up{animation:.3s both fadeUp}@keyframes pulse-opacity{0%,to{opacity:1}50%{opacity:.4}}.skeleton-block{background:var(--color-border-strong);border-radius:var(--radius-sm);height:16px;margin-bottom:12px;animation:1.5s ease-in-out infinite pulse-opacity}.markdown-content p{margin-bottom:1rem}.markdown-content ul,.markdown-content ol{margin-bottom:1rem;margin-left:1.5rem}.markdown-content li{margin-bottom:.5rem}.markdown-content strong{color:var(--color-ink);font-weight:700}@media (width<=768px){.desktop-only{display:none!important}.page-shell{padding-bottom:90px!important}}@media (width>=769px){.mobile-only{display:none!important}}@media (width<=768px){.mobile-center-flex{width:100%;justify-content:center!important}.mobile-full-width{width:100%!important;display:block!important}}