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0;border:0;outline:none;flex:1}.palette-search input::placeholder{color:var(--fg-dim)}.palette-section{font-size:var(--fs-caption);color:var(--fg-dim);padding:10px 14px 4px}.palette-list{flex-direction:column;gap:1px;padding:0 6px 6px;display:flex}.palette-item{border-radius:var(--r-md);font:inherit;font-size:var(--fs-ui);color:var(--fg-muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:8px 10px;display:flex}.palette-item:hover{background:color-mix(in oklab, var(--fg) 6%, transparent);color:var(--fg)}.palette-meta{font-size:var(--fs-caption);color:var(--fg-dim)}.palette-empty{text-align:center;color:var(--fg-dim);font-size:var(--fs-ui);padding:24px}.auth-shell{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:40px 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var(--bg);min-height:100vh;position:relative;overflow-x:hidden}.landing-page:before{content:"";background-image:var(--dot-grid);background-size:var(--dot-grid-size);opacity:var(--dot-grid-opacity);pointer-events:none;z-index:0;position:fixed;inset:0}.landing-page>*{z-index:1;position:relative}.landing-shell{width:min(1180px,100% - 48px);margin:0 auto}.landing-header{z-index:1500;border-bottom:1px solid color-mix(in oklab, var(--border) 80%, transparent);background:color-mix(in oklab, var(--bg) 82%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0}.landing-header-inner{justify-content:space-between;align-items:center;gap:16px;min-height:76px;display:flex}.landing-brand{min-width:0;color:inherit;border:0;align-items:center;gap:12px;display:inline-flex}.landing-brand-copy{flex-direction:column;min-width:0;display:inline-flex}.landing-brand-copy 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span{font-family:var(--font-mono);font-size:var(--fs-caption);color:var(--fg-muted)}.landing-progress{background:color-mix(in oklab, var(--fg) 8%, var(--bg));border-radius:999px;width:100%;height:8px;margin-top:14px;overflow:hidden}.landing-progress>span{border-radius:inherit;background:linear-gradient(90deg, var(--accent), color-mix(in oklab, var(--accent) 55%, white));height:100%;display:block}.landing-diagram-preview{grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:8px;min-height:74px;margin-top:8px;display:grid}.landing-diagram-node{border:1px solid color-mix(in oklab, var(--border) 88%, transparent);background:color-mix(in oklab, var(--bg-sunken) 76%, var(--bg));min-height:38px;color:var(--fg-muted);font-size:var(--fs-caption);border-radius:14px;justify-content:center;align-items:center;padding:8px 12px;display:inline-flex}.landing-diagram-node.active{color:var(--fg);border-color:color-mix(in oklab, var(--accent) 34%, var(--border));background:color-mix(in oklab, var(--accent) 14%, var(--bg))}.landing-diagram-link{background:color-mix(in oklab, var(--accent) 32%, var(--border));border-radius:999px;height:2px}.landing-diagram-link.short{max-width:36px}.landing-section{padding:44px 0}.landing-section-copy{max-width:680px}.landing-section-copy h2{letter-spacing:-.03em;margin-top:10px;font-size:clamp(2rem,4vw,2.75rem);line-height:1.05}.landing-section-copy p{color:var(--fg-muted);margin-top:14px;font-size:1rem;line-height:1.75}.landing-section-copy-narrow{max-width:560px}.landing-feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px;display:grid}.landing-feature-card{min-height:230px}.landing-card-points,.landing-tag-row{flex-wrap:wrap;gap:8px;margin-top:auto;display:flex}.landing-card-point{border:1px solid color-mix(in oklab, var(--border) 92%, transparent);background:color-mix(in oklab, var(--bg-sunken) 72%, 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var(--bg));width:fit-content;color:var(--accent);letter-spacing:.08em;border-radius:999px;align-items:center;padding:6px 10px;font-size:.7rem;font-weight:600;display:inline-flex}.landing-flow-card h3,.landing-ai-card h3,.landing-community-featured h3,.landing-community-card h3,.landing-security-card h3{color:var(--fg);margin:0;font-size:1.05rem;line-height:1.3}.landing-flow-card p,.landing-ai-card p,.landing-community-featured p,.landing-community-card p,.landing-security-card p{color:var(--fg-muted);font-size:var(--fs-ui);margin:0;line-height:1.65}.landing-flow-outcome{color:var(--fg);font-size:var(--fs-caption);margin-top:auto}.landing-system-panel{grid-column:1/-1;grid-template-columns:minmax(0,1fr) 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