*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0d0d14;--bg2:#13131d;--bg3:#1a1a28;--surface:#1e1e2e;--border:#2a2a3d;--text:#e4e4ef;--text2:#9d9db5;--text3:#6b6b82;--accent:#c9a84c;--accent2:#e8c96a;--red:#e05555;--green:#4caf82;--radius:10px;--radius-sm:6px;--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--shadow:0 4px 24px rgba(0,0,0,.4)}
html{font-size:16px;scroll-behavior:smooth;background:var(--bg);color:var(--text);font-family:var(--font)}
body{display:flex;flex-direction:column;min-height:100vh;line-height:1.6}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent2);text-decoration:underline}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(13,13,20,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1280px;margin:0 auto;padding:.75rem 1.5rem}
.logo{display:flex;align-items:center;gap:.5rem;color:var(--text);font-weight:700;font-size:1.15rem;text-decoration:none}
.logo svg{color:var(--accent)}
.site-nav{display:flex;gap:1.5rem}
.site-nav a{color:var(--text2);font-size:.9rem;font-weight:500;text-decoration:none;padding:.25rem 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.site-nav a:hover{color:var(--text);border-bottom-color:var(--accent);text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .2s;text-decoration:none}
.btn-primary{background:var(--accent);color:#1a1500;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent2);color:#1a1500;text-decoration:none}
.btn-ghost{background:transparent;color:var(--text2);border-color:var(--border)}
.btn-ghost:hover{color:var(--text);border-color:var(--text3);text-decoration:none}
.btn-small{padding:.4rem .8rem;font-size:.8rem}

/* Hero */
.hero{padding:4rem 1.5rem 3rem;text-align:center;max-width:780px;margin:0 auto}
.hero-eyebrow{color:var(--accent);font-size:.85rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.75rem}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.15;margin-bottom:1rem;background:linear-gradient(135deg,var(--text) 30%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{color:var(--text2);font-size:1.05rem;max-width:560px;margin:0 auto 1.5rem}
.hero-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}

/* Reference Section */
.reference-section{padding:2rem 1.5rem 4rem;max-width:1280px;margin:0 auto}
.ref-layout{display:grid;grid-template-columns:260px 1fr;gap:1.5rem;align-items:start}

/* Model Panel */
.model-panel{position:sticky;top:70px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;max-height:calc(100vh - 90px);overflow-y:auto}
.panel-title{font-size:1rem;font-weight:700;margin-bottom:.75rem}
.model-search input{width:100%;padding:.5rem .75rem;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.85rem;outline:none;transition:border-color .2s}
.model-search input:focus{border-color:var(--accent)}
.model-search{margin-bottom:.75rem}
.model-list{display:flex;flex-direction:column;gap:2px;margin-bottom:1.25rem}
.model-opt{display:flex;justify-content:space-between;align-items:center;width:100%;padding:.6rem .75rem;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text2);font-size:.85rem;cursor:pointer;text-align:left;transition:all .15s}
.model-opt:hover{background:var(--bg3);color:var(--text)}
.model-opt.is-selected{background:rgba(201,168,76,.15);color:var(--accent);font-weight:600}
.model-years{font-size:.75rem;color:var(--text3)}
.year-select{border-top:1px solid var(--border);padding-top:1rem}
.year-select label{display:block;font-size:.8rem;color:var(--text2);margin-bottom:.5rem;font-weight:600}
.year-select input[type=range]{width:100%;accent-color:var(--accent)}
.year-output{display:block;text-align:center;font-size:1.1rem;font-weight:700;color:var(--accent);margin-top:.25rem}

/* Detail Viewer */
.detail-viewer{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.viewer-toolbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:.5rem}
.viewer-model-info h3{font-size:1.1rem;font-weight:700}
.viewer-sub{font-size:.8rem;color:var(--text2)}
.viewer-main{display:grid;grid-template-columns:1fr 340px;min-height:380px}
.sneaker-diagram{position:relative;background:linear-gradient(180deg,var(--bg3),var(--bg2));display:flex;align-items:center;justify-content:center;min-height:300px}
.diagram-svg{width:100%;max-width:400px;height:auto;opacity:.85}
.hotspot{position:absolute;width:32px;height:32px;border:none;background:var(--accent);color:#1a1500;border-radius:50%;font-size:.75rem;font-weight:800;cursor:pointer;z-index:5;transition:transform .2s,box-shadow .2s;display:flex;align-items:center;justify-content:center}
.hotspot:hover,.hotspot:focus{transform:scale(1.2);box-shadow:0 0 0 4px rgba(201,168,76,.3);outline:none}
.hotspot.is-active{background:var(--accent2);transform:scale(1.25);box-shadow:0 0 0 4px rgba(201,168,76,.4)}
.hotspot-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:var(--accent);opacity:.3;animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.3}100%{transform:scale(2.2);opacity:0}}
.hotspot-num{position:relative;z-index:2}
.detail-sidebar{border-left:1px solid var(--border);padding:1.25rem;overflow-y:auto;max-height:380px}
.detail-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--text3);gap:.75rem;font-size:.9rem}
.detail-card{display:flex;flex-direction:column;gap:.75rem}
.detail-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem}
.detail-header h4{font-size:1rem;font-weight:700}
.confidence{font-size:.7rem;font-weight:700;padding:.2rem .5rem;border-radius:99px;white-space:nowrap}
.conf-high{background:rgba(76,175,130,.2);color:var(--green)}
.conf-med{background:rgba(201,168,76,.2);color:var(--accent)}
.conf-low{background:rgba(224,85,85,.2);color:var(--red)}
.detail-compare{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.compare-side{background:var(--bg3);border-radius:var(--radius-sm);padding:.75rem;font-size:.8rem}
.compare-label{display:block;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.4rem}
.auth-label{color:var(--green)}
.replica-label{color:var(--red)}
.compare-visual{height:48px;background:var(--bg2);border-radius:4px;margin-bottom:.4rem;display:flex;align-items:center;justify-content:center;font-size:.65rem;color:var(--text3)}
.compare-side p{color:var(--text2)}
.detail-tip-box{background:rgba(201,168,76,.08);border-left:3px solid var(--accent);padding:.6rem .75rem;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.85rem;color:var(--text2)}
.detail-tip-box strong{color:var(--accent);display:block;margin-bottom:.2rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}
.detail-year-note{font-size:.75rem;color:var(--text3);font-style:italic}
.timeline-bar{padding:.75rem 1.25rem;border-top:1px solid var(--border);display:flex;align-items:center;gap:.75rem;font-size:.75rem;color:var(--text3)}
.timeline-label{white-space:nowrap;font-weight:600;color:var(--text2)}
.timeline-track{display:flex;flex:1;height:8px;background:var(--bg3);border-radius:4px;overflow:hidden}
.timeline-segment{display:flex;align-items:center;justify-content:center;font-size:.55rem;color:var(--text3);background:var(--bg3)}
.timeline-segment.is-active{background:rgba(201,168,76,.25);color:var(--accent)}

/* Cheat Sheets */
.cheat-section{padding:3rem 1.5rem;max-width:1280px;margin:0 auto}
.cheat-section h2,.tips-section h2,.recent-section h2,.common-tells h2,.edge-cases h2{font-size:1.5rem;font-weight:800;margin-bottom:.5rem}
.section-desc{color:var(--text2);margin-bottom:1.5rem;max-width:600px;font-size:.95rem}
.cs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem}
.cs-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}
.cs-card:hover{border-color:var(--accent)}
.cs-card-preview{height:100px;background:var(--bg3);display:flex;align-items:center;justify-content:center}
.cs-preview-mock{text-align:center}
.cs-preview-mock span{display:block;font-size:1.1rem;font-weight:700;color:var(--text)}
.cs-preview-mock small{color:var(--text3);font-size:.75rem}
.cs-card-info{padding:1rem 1.25rem}
.cs-card-info h3{font-size:1rem;font-weight:700;margin-bottom:.5rem}
.cs-markers{list-style:none;padding:0;margin:0 0 .75rem;font-size:.8rem;color:var(--text2)}
.cs-markers li{padding:.15rem 0;padding-left:1rem;position:relative}
.cs-markers li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}

/* Seller Tips */
.tips-section{padding:3rem 1.5rem;max-width:1280px;margin:0 auto}
.tips-layout{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.tip-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}
.tip-icon{width:36px;height:36px;background:rgba(201,168,76,.12);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.tip-card h3{font-size:.95rem;font-weight:700}
.tip-card p{font-size:.85rem;color:var(--text2)}

/* Recent */
.recent-section{padding:3rem 1.5rem;max-width:1280px;margin:0 auto}
.recent-list{display:flex;flex-wrap:wrap;gap:.5rem}
.recent-empty{color:var(--text3);font-size:.9rem}
.recent-chip{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .8rem;background:var(--bg2);border:1px solid var(--border);border-radius:99px;font-size:.8rem;color:var(--text);cursor:pointer;transition:all .15s}
.recent-chip:hover{border-color:var(--accent);color:var(--accent)}
.recent-chip .rc-year{font-size:.7rem;color:var(--text3)}

/* Common Tells Table */
.common-tells{padding:3rem 1.5rem;max-width:1280px;margin:0 auto}
.tells-table{width:100%;border-collapse:collapse;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.tells-table th{background:var(--bg3);padding:.75rem 1rem;text-align:left;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text2);border-bottom:1px solid var(--border)}
.tells-table td{padding:.75rem 1rem;font-size:.85rem;color:var(--text2);border-bottom:1px solid var(--border);vertical-align:top}
.tells-table tr:last-child td{border-bottom:none}
.tells-table tr:hover td{background:rgba(201,168,76,.04)}
.rel-high{display:inline-block;padding:.15rem .5rem;background:rgba(76,175,130,.15);color:var(--green);border-radius:99px;font-size:.7rem;font-weight:700}
.rel-med{display:inline-block;padding:.15rem .5rem;background:rgba(201,168,76,.15);color:var(--accent);border-radius:99px;font-size:.7rem;font-weight:700}
.rel-low{display:inline-block;padding:.15rem .5rem;background:rgba(224,85,85,.15);color:var(--red);border-radius:99px;font-size:.7rem;font-weight:700}

/* Edge Cases */
.edge-cases{padding:3rem 1.5rem 4rem;max-width:1280px;margin:0 auto}
.edge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.edge-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.edge-card h3{font-size:.95rem;font-weight:700;color:var(--accent);margin-bottom:.4rem}
.edge-card p{font-size:.85rem;color:var(--text2)}

/* Footer */
.site-footer{margin-top:auto;border-top:1px solid var(--border);padding:1.5rem}
.footer-inner{max-width:1280px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.75rem}
.footer-brand{display:flex;align-items:center;gap:1rem}
.footer-logo{font-weight:700;color:var(--accent)}
.footer-updated{font-size:.75rem;color:var(--text3)}
.footer-nav{display:flex;gap:1.25rem}
.footer-nav a{font-size:.8rem;color:var(--text2);text-decoration:none}
.footer-nav a:hover{color:var(--text)}

/* Print */
@media print{
.site-header,.site-footer,.hero,.tips-section,.recent-section,.edge-cases,.ad-banner,.timeline-bar{display:none}
.detail-viewer{border:none}
.viewer-main{grid-template-columns:1fr}
.detail-sidebar{border-left:none}
}

/* Responsive */
@media(max-width:960px){
.ref-layout{grid-template-columns:1fr}
.model-panel{position:static;max-height:none}
.viewer-main{grid-template-columns:1fr}
.detail-sidebar{border-left:none;border-top:1px solid var(--border);max-height:300px}
.cs-grid{grid-template-columns:1fr 1fr}
.edge-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
.header-inner{flex-direction:column;gap:.5rem}
.site-nav{gap:1rem;flex-wrap:wrap;justify-content:center}
.hero{padding:2.5rem 1rem 2rem}
.hero-actions{flex-direction:column;align-items:center}
.viewer-toolbar{flex-direction:column;align-items:flex-start}
.detail-compare{grid-template-columns:1fr}
.cs-grid,.tips-layout,.edge-grid{grid-template-columns:1fr}
.tells-table{font-size:.75rem}
.tells-table th,.tells-table td{padding:.5rem .5rem}
.footer-inner{flex-direction:column;text-align:center}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}