:root{--color-primary:#dc2626;--color-secondary:#dc2626;--color-background:#000;--color-surface:#111;--color-text-primary:#fff;--color-text-secondary:#d1d5db;--color-border:#333;--color-error:#ef4444;--color-success:#10b981;--color-warning:#f59e0b}html,body{background-color:var(--color-background);color:var(--color-text-primary)}.bg-primary{background-color:var(--color-primary)}.bg-secondary{background-color:var(--color-secondary)}.bg-surface{background-color:var(--color-surface)}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.border-color{border-color:var(--color-border)}.accent-primary{accent-color:var(--color-primary)}button.btn-primary{background-color:var(--color-primary);color:#fff;transition:opacity .2s}button.btn-primary:hover{opacity:.9}button.btn-primary:active{opacity:.8}