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var(--primary);outline-offset:2px}h1,h2,h3{letter-spacing:-.015em}.app-shell{min-height:100vh;min-height:100dvh;display:flex}.app-main{flex:1;min-width:0;padding:32px 40px;max-width:1320px;width:100%;margin:0 auto}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100vh;height:100dvh;position:sticky;top:0;padding:max(20px,env(safe-area-inset-top)) 16px max(20px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.sidebar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.02rem;color:var(--text);padding:4px 8px 20px}.sidebar-brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#4f46e5);color:#fff;font-size:.78rem;font-weight:800;letter-spacing:.02em}.sidebar-section{padding:0 8px 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