*{box-sizing:border-box}:root{--color-page:#fff;--color-surface:#fff;--color-subtle:#f6f8fa;--color-text:#1f2328;--color-muted:#59636e;--color-border:#d1d9e0;--color-accent:#1d4ed8;--color-accent-soft:#eff6ff;--color-accent-border:#bfdbfe;--shadow-card:0 8px 30px #1f23280f;--shadow-hover:0 8px 24px #1f23281f}body{background:var(--color-page);color:var(--color-text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit}button{font:inherit}.container{width:min(100% - 3rem,1200px);margin:0 auto}.narrow-container{max-width:820px}.brand{color:var(--color-text);align-items:center;gap:.7rem;font-family:Space Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.35rem;text-decoration:none;display:inline-flex}.brand-mark{object-fit:contain;width:32px;height:32px}.button{border:1px solid var(--color-border);border-radius:8px;justify-content:center;align-items:center;padding:.55rem .9rem;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .15s;display:inline-flex}.button:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}.button-primary{border-color:var(--color-text);background:var(--color-text);color:#fff!important}.button-default{background:var(--color-surface);color:var(--color-text)}.button-lg{padding:.9rem 1.3rem;font-size:1.05rem}.card{border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-card);border-radius:18px}