.wcaa-page{--wcaa-bg:#fafafa;--wcaa-surface:#fff;--wcaa-text:#171717;--wcaa-text-sub:#737373;--wcaa-text-mute:#95938e;--wcaa-border:#e5e5e5;--wcaa-border-strong:#d4d4d4;--wcaa-accent:#c15f3c;--wcaa-accent-soft:#c15f3c14;--wcaa-blue:#2563eb;--wcaa-blue-soft:#2563eb1a;--wcaa-green:#4caf50;--wcaa-red:#d45a3f;background:var(--wcaa-bg);color:var(--wcaa-text);min-height:100dvh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}[data-theme=dark] .wcaa-page{--wcaa-bg:#1a1918;--wcaa-surface:#232220;--wcaa-text:#eceae4;--wcaa-text-sub:#b0aea8;--wcaa-text-mute:#7e7c77;--wcaa-border:#36342f;--wcaa-border-strong:#4d4a44;--wcaa-accent:#d97757;--wcaa-accent-soft:#d9775724;--wcaa-blue:#6b9dff;--wcaa-blue-soft:#6b9dff29}.wcaa-header{border-bottom:1px solid var(--wcaa-border);background:color-mix(in srgb, var(--wcaa-bg) 88%, transparent);z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);justify-content:space-between;align-items:center;padding:1.25rem max(1.25rem,50vw - 440px) 1rem;display:flex;position:sticky;top:0}.wcaa-back{color:var(--wcaa-text-sub);align-items:center;gap:6px;font-size:.92rem;text-decoration:none;display:inline-flex}.wcaa-back:hover{color:var(--wcaa-text)}.wcaa-main{max-width:880px;margin:0 auto;padding:1.5rem 1.5rem 4rem}.wcaa-title-row{flex-wrap:wrap;align-items:center;gap:12px;margin:0 0 .5rem;display:flex}.wcaa-title{letter-spacing:-.01em;margin:0;font-size:1.7rem;font-weight:700;line-height:1.2}.wcaa-badge{letter-spacing:.04em;background:var(--wcaa-accent-soft);color:var(--wcaa-accent);text-transform:uppercase;border-radius:4px;padding:3px 8px;font-size:.7rem;font-weight:600}.wcaa-intro{color:var(--wcaa-text-sub);margin:0 0 1.5rem;font-size:.97rem;line-height:1.7}.wcaa-intro+.wcaa-intro{margin-top:-1rem}.wcaa-intro code,.wcaa-prose code{background:var(--wcaa-accent-soft);color:var(--wcaa-accent);border-radius:4px;padding:1px 6px;font-family:LiberationMono,ui-monospace,monospace;font-size:.86em}.wcaa-section-title{letter-spacing:-.005em;margin:2rem 0 .75rem;font-size:1.1rem;font-weight:600}.wcaa-section-title:first-child{margin-top:1.25rem}.wcaa-prose{color:var(--wcaa-text-sub);margin:0 0 1rem;font-size:.95rem;line-height:1.7}.wcaa-prose:last-child{margin-bottom:0}.wcaa-stats-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 2rem;display:grid}@media (max-width:880px){.wcaa-stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.wcaa-stats-grid{grid-template-columns:1fr}}.wcaa-stat{background:var(--wcaa-surface);border:1px solid var(--wcaa-border);border-radius:10px;padding:14px 16px}.wcaa-stat-value{letter-spacing:-.01em;color:var(--wcaa-accent);font-size:1.4rem;font-weight:700;line-height:1.2}.wcaa-stat-label{color:var(--wcaa-text);margin-top:6px;font-size:.82rem;font-weight:500}.wcaa-stat-hint{color:var(--wcaa-text-mute);margin-top:4px;font-size:.72rem;line-height:1.5}.wcaa-flow{flex-direction:column;margin:0 0 1.5rem;display:flex}.wcaa-step{border:1px solid var(--wcaa-border);background:color-mix(in srgb, var(--wcaa-surface) 96%, var(--wcaa-text));border-radius:8px;align-items:flex-start;gap:10px;padding:10px 12px;display:flex}.wcaa-step.is-highlight{border-color:var(--wcaa-accent);background:var(--wcaa-accent-soft)}.wcaa-step-num{background:var(--wcaa-text-mute);width:22px;height:22px;color:var(--wcaa-surface);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-family:LiberationMono,ui-monospace,monospace;font-size:.72rem;font-weight:700;display:inline-flex}.wcaa-step.is-highlight .wcaa-step-num{background:var(--wcaa-accent)}.wcaa-step-title{margin-bottom:2px;font-size:.9rem;font-weight:600}.wcaa-step-body{color:var(--wcaa-text-sub);font-size:.85rem;line-height:1.55}.wcaa-step-body code{background:color-mix(in srgb, var(--wcaa-surface) 80%, var(--wcaa-text));color:var(--wcaa-text);border-radius:3px;padding:1px 5px;font-family:LiberationMono,ui-monospace,monospace;font-size:.86em}.wcaa-arrow{color:var(--wcaa-text-mute);-webkit-user-select:none;user-select:none;align-self:center;margin:3px 0;font-size:16px}.wcaa-formula{border:1px solid var(--wcaa-border);background:var(--wcaa-surface);border-radius:10px;margin:0 0 12px;padding:14px 16px}.wcaa-formula-label{color:var(--wcaa-text-mute);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;font-size:.78rem;font-weight:600}.wcaa-formula-expr{color:var(--wcaa-text);letter-spacing:-.002em;padding:6px 0;font-family:LiberationMono,ui-monospace,monospace;font-size:1rem;line-height:1.5;overflow-x:auto}.wcaa-formula-body{color:var(--wcaa-text-sub);margin-top:4px;font-size:.85rem;line-height:1.55}.wcaa-code{border:1px solid var(--wcaa-border);background:color-mix(in srgb, var(--wcaa-surface) 96%, var(--wcaa-text));border-radius:10px;margin:0 0 1rem;overflow:hidden}.wcaa-code-head{border-bottom:1px solid var(--wcaa-border);color:var(--wcaa-text-mute);text-transform:uppercase;letter-spacing:.05em;justify-content:space-between;align-items:center;padding:6px 12px;font-size:.72rem;font-weight:600;display:flex}.wcaa-code pre{color:var(--wcaa-text);white-space:pre;background:0 0;margin:0;padding:12px 14px;font-family:LiberationMono,ui-monospace,monospace;font-size:.82rem;line-height:1.55;overflow-x:auto}.wcaa-code-caption{color:var(--wcaa-text-sub);margin-bottom:.5rem;font-size:.85rem;line-height:1.55}.wcaa-edges{margin:0 0 1.5rem;padding-left:1.1rem;list-style:none}.wcaa-edges li{color:var(--wcaa-text-sub);padding:4px 0;font-size:.9rem;line-height:1.6;position:relative}.wcaa-edges li:before{content:"!";color:var(--wcaa-accent);font-family:LiberationMono,ui-monospace,monospace;font-weight:700;position:absolute;top:4px;left:-16px}.wcaa-related{grid-template-columns:1fr 1fr;gap:10px;margin:0 0 2rem;display:grid}@media (max-width:600px){.wcaa-related{grid-template-columns:1fr}}.wcaa-related-card{border:1px solid var(--wcaa-border);background:var(--wcaa-surface);color:var(--wcaa-text);border-radius:8px;padding:10px 12px;text-decoration:none;transition:border-color .15s,transform .15s;display:block}.wcaa-related-card:hover{border-color:var(--wcaa-accent);transform:translateY(-1px)}.wcaa-related-name{font-size:.9rem;font-weight:600}.wcaa-related-hint{color:var(--wcaa-text-mute);margin-top:2px;font-size:.78rem;line-height:1.5}.wcaa-missing{border:1px dashed var(--wcaa-border-strong);color:var(--wcaa-text-mute);text-align:center;border-radius:12px;padding:30px 24px;line-height:1.65}.wca-stats-title-help{color:var(--muted-foreground,#95938e);opacity:.65;vertical-align:middle;align-items:center;margin-left:10px;text-decoration:none;transition:opacity .15s,color .15s;display:inline-flex}.wca-stats-title-help:hover{opacity:1;color:#e8a27a}