.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:1px solid #0000;outline:none;justify-content:center;align-items:center;gap:.5rem;font-family:inherit;font-weight:500;display:inline-flex}.btn:focus-visible{box-shadow:0 0 0 3px #3b82f666}.btn:disabled{opacity:.6;cursor:not-allowed;pointer-events:none}.btn--sm{padding:.375rem .75rem;font-size:.8125rem}.btn--md{padding:.5rem 1rem;font-size:.875rem}.btn--lg{padding:.75rem 1.5rem;font-size:1rem}.btn--primary{background:var(--gradient-primary);color:var(--color-text-inverse);box-shadow:var(--shadow-sm)}.btn--primary:hover:not(:disabled){opacity:.95;box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn--secondary{background:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-border);box-shadow:var(--shadow-sm)}.btn--secondary:hover:not(:disabled){background:var(--color-surface-hover);border-color:var(--color-border-subtle)}.btn--outline{color:var(--color-primary);border-color:var(--color-primary);background:0 0}.btn--outline:hover:not(:disabled){background:#1e3a8a0d}.btn--ghost{color:var(--color-text-secondary);background:0 0}.btn--ghost:hover:not(:disabled){background:var(--color-surface-hover);color:var(--color-text-primary)}.btn--danger{background:var(--color-danger);color:#fff}.btn--danger:hover:not(:disabled){opacity:.9}.btn--full-width{width:100%}.btn__spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:1rem;height:1rem;animation:.6s linear infinite btn-spin}@keyframes btn-spin{to{transform:rotate(360deg)}}