:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, Monaco, monospace;--bg-main: #000000;--bg-surface: #0a0a0a;--bg-surface-elevated: #121212;--bg-hover: #181818;--border-subtle: #222222;--border-strong: #333333;--border-focus: #777777;--text-main: #f4f4f5;--text-muted: #888888;--text-subtle: #555555;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--container-max: 980px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:72px;font-size:15px;background-color:var(--bg-main)}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--text-main);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--border-strong);transition:text-decoration-color .15s ease,color .15s ease}a:hover{text-decoration-color:var(--text-main)}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:600;letter-spacing:-.02em;line-height:1.3}p{color:var(--text-muted);line-height:1.65}code,pre{font-family:var(--font-mono);font-size:.85rem}code{background:var(--bg-surface-elevated);color:var(--text-main);padding:.15rem .35rem;border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}pre{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1rem 1.25rem;overflow-x:auto;color:#e4e4e7}pre code{background:none;border:none;padding:0;color:inherit}.container{max-width:var(--container-max);margin:0 auto;padding:0 1.5rem}.section{padding:4.5rem 0;border-bottom:1px solid var(--border-subtle)}.section-header{margin-bottom:2.5rem}.section-tag{display:inline-block;font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-subtle);margin-bottom:.5rem}.section-title{font-size:1.75rem;margin-bottom:.5rem}.section-desc{font-size:1rem;max-width:720px}.site-header{position:sticky;top:0;z-index:100;background:#000000e6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-subtle)}.nav-container{display:flex;align-items:center;justify-content:space-between;height:60px}.brand-text{font-family:var(--font-mono);font-weight:700;font-size:1.1rem;letter-spacing:-.03em;color:var(--text-main);text-decoration:none}.brand-text:hover{text-decoration:none;opacity:.8}.nav-links{display:flex;align-items:center;gap:1.25rem;list-style:none}.nav-link{font-size:.85rem;color:var(--text-muted);text-decoration:none;transition:color .15s ease}.nav-link:hover,.nav-link.active{color:var(--text-main);text-decoration:none}.nav-actions{display:flex;align-items:center;gap:.75rem}.menu-toggle{display:none;background:none;border:1px solid var(--border-subtle);color:var(--text-main);padding:.25rem .5rem;border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-mono);font-size:.8rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.55rem 1.1rem;font-size:.85rem;font-weight:500;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .15s ease}.btn-primary{background:#fff;color:#000;border-color:#fff}.btn-primary:hover{background:#e4e4e7;color:#000;text-decoration:none}.btn-secondary{background:var(--bg-surface-elevated);color:var(--text-main);border-color:var(--border-strong)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--text-muted);text-decoration:none}.btn-outline{background:transparent;color:var(--text-main);border-color:var(--border-subtle)}.btn-outline:hover{background:var(--bg-surface);border-color:var(--border-strong);text-decoration:none}.btn-sm{padding:.35rem .75rem;font-size:.8rem}.badge{display:inline-block;padding:.15rem .45rem;border-radius:var(--radius-sm);font-size:.7rem;font-family:var(--font-mono);font-weight:500;background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);color:var(--text-muted)}.badge-type-research,.badge-type-implement,.badge-type-review,.badge-type-sentinel{color:#e4e4e7;border-color:#444}.hero-section{padding:5rem 0 4rem;border-bottom:1px solid var(--border-subtle)}.hero-meta{font-family:var(--font-mono);font-size:.8rem;color:var(--text-subtle);margin-bottom:1.25rem}.hero-title{font-size:2.75rem;font-weight:700;line-height:1.15;margin-bottom:1.25rem;letter-spacing:-.03em}.hero-desc{font-size:1.15rem;color:var(--text-muted);max-width:740px;line-height:1.6;margin-bottom:2rem}.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:2.5rem}.hero-code-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.25rem;position:relative}.hero-code-box pre{margin:0;border:none;background:none;padding:0}.specs-list{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.spec-item{padding:1.25rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.spec-item h3{font-size:1.05rem;margin-bottom:.4rem;font-family:var(--font-mono)}.spec-item p{font-size:.9rem}.steps-stack{display:flex;flex-direction:column;gap:.75rem}.step-row{display:grid;grid-template-columns:50px 1fr;gap:1.25rem;padding:1.25rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.step-idx{font-family:var(--font-mono);font-size:.95rem;font-weight:700;color:var(--text-subtle)}.step-detail h4{font-size:1rem;margin-bottom:.25rem}.step-detail p{font-size:.875rem}.tabs-wrap{border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-surface)}.tab-nav{display:flex;border-bottom:1px solid var(--border-subtle);overflow-x:auto;background:#050505}.tab-btn{padding:.75rem 1.25rem;background:none;border:none;color:var(--text-muted);font-family:var(--font-mono);font-size:.8rem;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent}.tab-btn:hover{color:var(--text-main)}.tab-btn.active{color:var(--text-main);border-bottom-color:var(--text-main);background:var(--bg-surface)}.tab-content{display:none;padding:1.5rem}.tab-content.active{display:block}.tab-intro{font-size:.9rem;margin-bottom:1rem}.code-wrapper{position:relative}.code-wrapper pre{margin:0;padding-right:4rem}.copy-btn{position:absolute;top:8px;right:8px;background:var(--bg-surface-elevated);border:1px solid var(--border-strong);color:var(--text-muted);font-family:var(--font-mono);font-size:.75rem;padding:.25rem .6rem;border-radius:var(--radius-sm);cursor:pointer}.copy-btn:hover{color:var(--text-main);border-color:var(--border-focus)}.copy-btn.copied{color:#fff;border-color:#fff}.why-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem}.why-card{padding:1.5rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:1rem}.why-card h4{font-size:1rem;margin-bottom:.35rem}.why-card p{font-size:.875rem}.help-container{display:flex;flex-direction:column;gap:1.5rem}.help-intro-box{padding:1.5rem;background:var(--bg-surface);border-left:3px solid #555;border-radius:0 var(--radius-md) var(--radius-md) 0}.help-intro-box p{color:var(--text-main);font-size:1.05rem;line-height:1.6}.help-intro-box span.author-note{display:block;font-size:.85rem;color:var(--text-muted);margin-top:.5rem;font-style:italic}.help-pillars{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.help-pillar-card{padding:1.25rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.help-pillar-card h4{font-size:1rem;margin-bottom:.4rem;font-family:var(--font-mono)}.help-pillar-card p{font-size:.875rem;line-height:1.55}.channels-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:1.5rem}.channel-card{padding:1.25rem;background:var(--bg-surface-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-md)}.channel-card h4{font-size:.95rem;margin-bottom:.3rem}.channel-card p{font-size:.85rem;margin-bottom:.75rem}.channel-link{font-family:var(--font-mono);font-size:.85rem;display:inline-block}.inbox-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:2rem;align-items:start}.inbox-header-controls{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.25rem}.inbox-search-input{width:100%;padding:.65rem .85rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-main);font-family:var(--font-mono);font-size:.85rem;outline:none}.inbox-search-input:focus{border-color:var(--border-focus)}.inbox-filter-group{display:flex;gap:.35rem;flex-wrap:wrap}.filter-btn{background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-muted);font-family:var(--font-mono);font-size:.75rem;padding:.25rem .6rem;border-radius:var(--radius-sm);cursor:pointer}.filter-btn:hover,.filter-btn.active{background:var(--bg-surface-elevated);border-color:var(--border-strong);color:var(--text-main)}.need-entry{padding:1.1rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:.75rem}.need-entry-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.need-entry h4{font-size:.95rem;margin-bottom:.35rem}.need-entry p{font-size:.825rem;margin-bottom:.6rem}.need-entry-cli{display:flex;justify-content:space-between;align-items:center;background:#000;border:1px solid var(--border-subtle);padding:.35rem .6rem;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.75rem}.btn-mini{background:var(--bg-surface-elevated);border:1px solid var(--border-strong);color:var(--text-main);font-size:.7rem;padding:.15rem .45rem;border-radius:var(--radius-sm);cursor:pointer}.btn-mini:hover{background:#222}.inbox-form-card{padding:1.5rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.inbox-form-card h3{font-size:1.1rem;margin-bottom:.35rem}.inbox-form-card p{font-size:.85rem;margin-bottom:1.25rem}.form-field{margin-bottom:1rem}.form-field label{display:block;font-size:.75rem;font-family:var(--font-mono);text-transform:uppercase;color:var(--text-muted);margin-bottom:.35rem}.form-field input,.form-field select,.form-field textarea{width:100%;padding:.55rem .75rem;background:#000;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-main);font-size:.85rem;outline:none}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--border-focus)}.form-field textarea{resize:vertical;min-height:60px}.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.form-preview-box{background:#000;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.6rem;margin-bottom:1rem}.form-preview-label{font-size:.65rem;font-family:var(--font-mono);color:var(--text-subtle);text-transform:uppercase;margin-bottom:.25rem}.form-preview-box pre{padding:0;background:none;border:none;font-size:.7rem;max-height:90px}.site-footer{padding:3rem 0 2rem;border-top:1px solid var(--border-subtle);font-size:.85rem}.footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-links{display:flex;gap:1.5rem;list-style:none}.footer-links a{color:var(--text-muted);text-decoration:none}.footer-links a:hover{color:var(--text-main)}.footer-note{color:var(--text-subtle);font-size:.8rem;margin-top:1rem}.leaderboard-wrap{border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow-x:auto;background:var(--bg-surface);margin-top:1.5rem}.leaderboard-table{width:100%;border-collapse:collapse;text-align:left;font-size:.85rem}.leaderboard-table th{padding:.85rem 1rem;background:#050505;border-bottom:1px solid var(--border-subtle);font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;color:var(--text-muted)}.leaderboard-table td{padding:.85rem 1rem;border-bottom:1px solid var(--border-subtle);color:var(--text-main)}.leaderboard-table tr:last-child td{border-bottom:none}.leaderboard-table tr:hover td{background:var(--bg-hover)}.col-rank{font-family:var(--font-mono);font-weight:700;color:var(--text-subtle);width:45px}.col-identity strong{display:block}.key-fingerprint{display:block;font-family:var(--font-mono);font-size:.75rem;color:var(--text-subtle)}.mailbox-explainer{padding:1.25rem 1.5rem;background:var(--bg-surface);border:1px dashed var(--border-strong);border-radius:var(--radius-md);margin-bottom:1.75rem}.mailbox-explainer strong{color:var(--text-main)}.mailbox-explainer p{font-size:.875rem;margin-top:.35rem}.mail-item{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:.75rem;overflow:hidden;transition:border-color .15s ease}.mail-item:hover{border-color:var(--border-strong)}.mail-header{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1.15rem .35rem;cursor:pointer}.mail-header-meta{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.mail-author{font-weight:600;color:var(--text-main);font-size:.85rem}.mail-addr{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted)}.mail-date{font-family:var(--font-mono);font-size:.75rem;color:var(--text-subtle)}.mail-subject{padding:0 1.15rem .35rem;font-weight:600;font-size:.9rem;color:var(--text-main);cursor:pointer}.mail-preview{padding:0 1.15rem .85rem;font-size:.825rem;color:var(--text-muted);cursor:pointer}.mail-full-body{display:none;padding:1rem 1.15rem 1.15rem;border-top:1px solid var(--border-subtle);background:#000}.mail-item.expanded .mail-full-body{display:block}.mail-item.expanded .mail-preview{display:none}.mail-full-body pre{margin:0 0 .75rem;padding:0;background:none;border:none;font-family:var(--font-sans);font-size:.875rem;line-height:1.6;white-space:pre-wrap;color:#d4d4d8}.mail-footer-note{font-family:var(--font-mono);font-size:.7rem;color:var(--text-subtle)}@media(max-width:800px){.hero-title{font-size:2.15rem}.specs-list,.why-grid,.help-pillars,.channels-row,.inbox-grid{grid-template-columns:1fr}.nav-links{display:none;position:absolute;top:60px;left:0;width:100%;background:#000;border-bottom:1px solid var(--border-subtle);flex-direction:column;padding:1.25rem;gap:1rem}.nav-links.active{display:flex}.menu-toggle{display:block}}