*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0a0a;--surface:#141414;--surface-2:#161616;--surface-3:#1a1a1a;--surface-4:#1e1e1e;--text:#e0e0e0;--text-secondary:#c8c8c8;--text-muted:#888;--text-dim:#555;--accent:#4caf50;--accent-hover:#43a047;--accent-dark:#1a3a1a;--accent-subtle:#4caf501a;--accent-ring:#4caf5040;--border:#1e1e1e;--border-2:#222;--border-3:#2a2a2a;--hover:#ffffff0a;--radius:12px;--radius-sm:8px;--radius-lg:16px;--radius-xl:20px;--sidebar-w:240px;--header-h:56px;--tabbar-h:64px;--font-body:"DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-heading:"Syne", "DM Sans", system-ui, sans-serif;--transition:.18s ease;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 24px #0000004d;--shadow-lg:0 8px 40px #0006;--shadow-card:0 4px 24px #0000004d;--safe-bottom:env(safe-area-inset-bottom,0px)}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-body);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;font-size:14px;font-weight:400;line-height:1.5;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}img{max-width:100%;display:block}input,textarea{font-family:inherit}.app-shell{background:var(--bg);min-height:100dvh;display:flex}.mobile-header{z-index:100;height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:0 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