*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #ffffff;--surface: #f5f5f5;--border: #e8e8e8;--text: #111111;--text-muted: #717171;--accent: #111111;--bar: #111111;--radius: 6px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--occ-highlight: rgba(255, 180, 0, .35)}@media (prefers-color-scheme: dark){:root{--bg: #0f0f0f;--surface: #1c1c1c;--border: #2a2a2a;--text: #eeeeee;--text-muted: #8a8a8a;--accent: #eeeeee;--bar: #eeeeee;--occ-highlight: rgba(255, 200, 0, .28)}}[data-theme=light]{--bg: #ffffff;--surface: #f5f5f5;--border: #e8e8e8;--text: #111111;--text-muted: #717171;--accent: #111111;--bar: #111111;--occ-highlight: rgba(255, 180, 0, .35)}[data-theme=dark]{--bg: #0f0f0f;--surface: #1c1c1c;--border: #2a2a2a;--text: #eeeeee;--text-muted: #666666;--accent: #eeeeee;--bar: #eeeeee;--occ-highlight: rgba(255, 200, 0, .28)}::highlight(zr-occ){background-color:var(--occ-highlight, rgba(255, 190, 0, .32))}html,body,#root{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.landing{min-height:100%;display:flex;flex-direction:column}.lnav{display:flex;align-items:center;justify-content:space-between;padding:18px 48px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:10}.lnav-logo{font-size:15px;font-weight:600;letter-spacing:-.02em}.hero{text-align:center;padding:96px 24px 80px;max-width:680px;margin:0 auto}.hero-eyebrow{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:24px}.hero-h1{font-size:clamp(36px,6vw,58px);font-weight:700;letter-spacing:-.03em;line-height:1.1;margin-bottom:24px}.hero-sub{font-size:17px;line-height:1.65;color:var(--text-muted);margin-bottom:40px;max-width:520px;margin-left:auto;margin-right:auto}.hero-cta{background:var(--accent);color:var(--bg);border:none;padding:14px 32px;border-radius:50px;font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s;letter-spacing:-.01em}.hero-cta:hover{opacity:.82}.hero-platforms{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:20px}.hero-platforms-label{font-size:12px;color:var(--text-muted);margin-right:2px}.platform-pill{font-size:12px;font-weight:500;color:var(--text-muted);border:1px solid var(--border);border-radius:20px;padding:3px 10px}.demo-section{padding:0 24px 96px}.demo-card{max-width:860px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px;display:flex;align-items:flex-start;gap:32px}.demo-col{flex:1}.demo-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:14px}.demo-code{font-family:SF Mono,Fira Code,Consolas,monospace;font-size:13px;line-height:1.8;white-space:pre-wrap;word-break:break-word;margin:0}.demo-code-before,.demo-code-after{color:var(--text)}.demo-bar{display:inline-block;width:80px;height:.75em;background:var(--bar);border-radius:3px;vertical-align:middle;position:relative;top:-.05em}.demo-bar-lg{width:130px}.demo-bar-md{width:100px}.demo-arrow{font-size:22px;color:var(--text-muted);padding-top:36px;flex-shrink:0}.steps-section{padding:0 24px 96px;max-width:860px;margin:0 auto;width:100%}.steps-heading{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-bottom:40px;text-align:center}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}@media (max-width: 640px){.steps{grid-template-columns:1fr}.demo-card{flex-direction:column}.demo-arrow{padding-top:0;transform:rotate(90deg)}.lnav{padding:16px 20px}.hero{padding:64px 20px 48px}}.step-num{font-size:12px;font-weight:700;color:var(--text-muted);border:1px solid var(--border);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.step-title{font-size:16px;font-weight:600;letter-spacing:-.01em;margin-bottom:10px}.step-body{font-size:14px;line-height:1.65;color:var(--text-muted)}.step-body em{font-style:normal;color:var(--text);font-weight:500}.privacy-section{padding:0 24px 96px;max-width:860px;margin:0 auto;width:100%}.privacy-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:48px}.privacy-heading{font-size:24px;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}.privacy-body{font-size:15px;line-height:1.7;color:var(--text-muted);max-width:560px;margin-bottom:24px}.privacy-list{list-style:none;display:flex;flex-direction:column;gap:8px}.privacy-list li{font-size:14px;color:var(--text-muted);display:flex;align-items:center;gap:10px}.privacy-list li:before{content:"✓";color:var(--text);font-weight:600;flex-shrink:0}.footer-cta{text-align:center;padding:0 24px 96px}.footer-cta-h2{font-size:32px;font-weight:700;letter-spacing:-.02em;margin-bottom:32px}.lfooter{margin-top:auto;padding:24px 48px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}.app{display:flex;flex-direction:column;height:100%;max-width:860px;margin:0 auto}.header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);flex-shrink:0}.logo{font-size:14px;font-weight:600;letter-spacing:-.02em}.header-actions{display:flex;align-items:center;gap:8px}.main{flex:1;min-height:0;display:flex;flex-direction:column}.footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;border-top:1px solid var(--border);flex-shrink:0}.send-hint{font-size:11px;color:var(--text-muted);line-height:1.4}.editor{flex:1;overflow-y:auto;padding:40px 48px;font-size:16px;line-height:1.75;outline:none;white-space:pre-wrap;word-break:break-word}.editor:empty:before{content:attr(data-placeholder);color:var(--text-muted);pointer-events:none}.token-bar{display:inline-block;height:.82em;background:var(--bar);border-radius:3px;vertical-align:middle;cursor:pointer;margin:0 1px;transition:opacity .12s;position:relative;top:-.04em}.token-bar:hover{opacity:.5}.float-redact-group{position:fixed;display:flex;gap:4px;transform:translate(-50%,calc(-100% - 8px));z-index:9999;pointer-events:all}.float-redact-btn{background:var(--accent);color:var(--bg);border:none;padding:5px 13px;border-radius:20px;font-family:var(--font);font-size:12px;font-weight:500;cursor:pointer;box-shadow:0 2px 12px #00000040;white-space:nowrap}.float-redact-btn:hover{opacity:.85}.float-redact-btn-all{opacity:.72}.float-redact-btn-all:hover{opacity:1}.btn-ghost{background:none;border:1px solid var(--border);color:var(--text);padding:6px 12px;border-radius:var(--radius);font-family:var(--font);font-size:13px;cursor:pointer;transition:background .1s;display:flex;align-items:center;gap:6px}.btn-ghost:hover{background:var(--surface)}.btn-ghost:disabled{opacity:.4;cursor:default}.btn-ghost.icon-btn{padding:6px 8px}.btn-sm{padding:4px 10px;font-size:12px}.btn-primary{background:var(--accent);color:var(--bg);border:none;padding:8px 16px;border-radius:var(--radius);font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:opacity .12s;white-space:nowrap}.btn-primary:hover{opacity:.82}.send-group{display:flex;position:relative}.send-main{border-radius:var(--radius) 0 0 var(--radius)}.send-arrow{border-radius:0 var(--radius) var(--radius) 0;border-left:1px solid color-mix(in srgb,var(--bg) 25%,transparent);padding:8px 10px;display:flex;align-items:center;justify-content:center}.send-arrow svg{stroke:currentColor;fill:none;stroke-width:1.5}.llm-menu{position:absolute;bottom:calc(100% + 6px);right:0;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px #0000001f;min-width:130px;z-index:1000}.llm-menu-item{display:block;width:100%;text-align:left;padding:8px 14px;background:none;border:none;color:var(--text);font-family:var(--font);font-size:13px;cursor:pointer}.llm-menu-item:hover,.llm-menu-item.active{background:var(--surface)}.llm-menu-item.active{font-weight:500}.toast{font-size:12px;color:var(--text-muted)}.modal-panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.modal-panel-header h2{margin-bottom:0}.send-panel-textarea{width:100%;height:200px;resize:none;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-family:var(--font);font-size:12px;line-height:1.5;outline:none;margin-bottom:12px}.send-panel-textarea:focus{border-color:var(--text-muted)}.send-panel-actions{display:flex;gap:8px}.modal-close-btn{width:100%}.llm-menu-divider{height:1px;background:var(--border);margin:4px 0}.llm-menu-item-muted{color:var(--text-muted);font-size:12px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:10000}.modal{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:28px;width:min(360px,calc(100vw - 32px));box-shadow:0 8px 48px #0000002e}.modal h2{font-size:16px;font-weight:600;margin-bottom:24px;letter-spacing:-.01em}.setting-row{margin-bottom:20px}.setting-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:8px}.setting-select{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.setting-token-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.setting-token-count{font-size:14px}.setting-hint{font-size:12px;color:var(--text-muted);line-height:1.5}.modal-close{width:100%;margin-top:8px}.help-modal{width:min(420px,calc(100vw - 32px))}.help-steps{list-style:none;counter-reset:help-step;display:flex;flex-direction:column;gap:14px;margin-bottom:20px}.help-steps li{counter-increment:help-step;display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.6;color:var(--text-muted)}.help-steps li:before{content:counter(help-step);display:flex;align-items:center;justify-content:center;min-width:22px;height:22px;border:1px solid var(--border);border-radius:50%;font-size:11px;font-weight:700;color:var(--text-muted);flex-shrink:0;margin-top:1px}.help-steps li>span{flex:1}.help-steps li strong{color:var(--text)}.help-steps li em{font-style:normal;color:var(--text);font-weight:500}.help-note{font-size:12px;color:var(--text-muted);border-top:1px solid var(--border);padding-top:14px;margin-bottom:20px;line-height:1.5}@media (max-width: 600px){.editor{padding:24px 20px;font-size:15px}.header{padding:12px 16px}.footer{padding:10px 16px;gap:10px}.send-hint{display:none}.btn-ghost{font-size:12px;padding:5px 10px}.modal-overlay{align-items:flex-end}.modal{border-radius:16px 16px 0 0;width:100%;max-height:85vh;overflow-y:auto}.help-modal{width:100%}}.editor .md-h1{font-size:1.35em;font-weight:700;letter-spacing:-.02em;line-height:1.3}.editor .md-h2{font-size:1.15em;font-weight:700;letter-spacing:-.01em}.editor .md-h3{font-size:1em;font-weight:600}.editor .md-hr{border:none;border-top:1px solid var(--border);margin:2px 0;height:0}.editor .md-li{padding-left:1.2em;position:relative}.editor .md-li:before{content:"•";position:absolute;left:0;color:var(--text-muted)}.editor .md-gap{height:.6em}