:root{--bg:#0a0a0a;--surface:#141414;--surface2:#1e1e1e;--border:#2a2a2a;--text:#f0f0f0;--text-dim:#888;--accent:#fff;--accent-light:#ccc;--green:#22c55e;--yellow:#eab308;--red:#ef4444;--blue:#3b82f6;--orange:#f97316}[data-theme=light]{--bg:#fff;--surface:#f5f5f5;--surface2:#ebebeb;--border:#d4d4d4;--text:#0a0a0a;--text-dim:#666;--accent:#0a0a0a;--accent-light:#333}[data-theme=light] .hero{background:linear-gradient(135deg,#f5f5f5 0%,#e8e8e8 50%,#f5f5f5 100%)}[data-theme=light] .hero h1{background:linear-gradient(135deg,#0a0a0a,#333);-webkit-text-fill-color:transparent;-webkit-background-clip:text}[data-theme=light] .nav-bar{background:#ffffffeb}[data-theme=light] .step-card strong,[data-theme=light] .alert-text strong{color:#0a0a0a}[data-theme=light] code{color:#0a0a0a;background:#ebebeb}[data-theme=light] .store-badge{box-shadow:0 2px 8px #0000001a}[data-theme=light] .mistakes-list li 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