:root{--bg-canvas:#f5f6f8;--bg-panel:#fff;--bg-panel-alt:#f0f2f6;--ink-primary:#0b1220;--ink-secondary:#5c6370;--ink-muted:#8b92a0;--accent-primary:#0071e3;--accent-focus:#0a84ff;--accent-success:#34c759;--accent-warning:#ff9500;--accent-critical:#ff3b30;--border-soft:rgba(12,18,32,.08);--border-strong:rgba(12,18,32,.16);--font-sans:"SF Pro Text",-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",sans-serif;--font-display:600 32px/40px "SF Pro Display",var(--font-sans);--font-heading:600 24px/32px "SF Pro Text",var(--font-sans);--font-body:400 16px/28px "SF Pro Text",var(--font-sans);--font-label:500 14px/22px "SF Pro Text",var(--font-sans);--font-mono:400 13px/20px "SF Mono","SFMono-Regular","Menlo",monospace}.dark{--bg-canvas:#0f1115;--bg-panel:#1a1d23;--bg-panel-alt:#161920;--ink-primary:#f5f7fb;--ink-secondary:#9ca3b5;--ink-muted:#6b7280;--accent-primary:#3b82f6;--accent-focus:#60a5fa;--accent-success:#34d399;--accent-warning:#fbbf24;--accent-critical:#f87171;--border-soft:rgba(245,247,251,.06);--border-strong:rgba(245,247,251,.15)}*{box-sizing:border-box}body,html{max-width:100vw;font-family:var(--font-sans);background-color:var(--bg-canvas);color:var(--ink-primary);margin:0;padding:0}body{min-height:100vh}a{color:inherit;text-decoration:none}.sr-only{padding:0;margin:-1px;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link,.sr-only{position:absolute;width:1px;height:1px;overflow:hidden}.skip-link{left:-999px;top:auto;z-index:-999}.skip-link:focus{left:16px;top:16px;width:auto;height:auto;padding:12px 16px;background:var(--bg-panel);border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08);z-index:999}main{min-height:100vh}.skeleton{background:linear-gradient(90deg,hsla(0,0%,100%,0),hsla(0,0%,100%,.5),hsla(0,0%,100%,0));background-size:400% 400%;animation:shimmer 1.4s ease infinite}@keyframes shimmer{0%{background-position:0 50%}to{background-position:-100% 50%}}