.conversion-form .conversion-row{display:flex;align-items:flex-end;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);flex-wrap:wrap}.conversion-row .math-input{flex:1;min-width:100px}.conversion-row .math-input:first-child{flex:0 0 100px}.conversion-arrow{font-size:1.5rem;font-weight:700;color:var(--alumnos-accent);padding-bottom:var(--spacing-md);flex-shrink:0}.config-select{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;background:var(--bg-card);color:var(--color-text);cursor:pointer;transition:border-color .2s}.config-select:focus{outline:0;border-color:var(--alumnos-accent)}.error-msg{color:var(--color-danger);font-size:.9rem;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-danger-bg,rgba(239,68,68,.1));border-radius:var(--radius-sm);margin-bottom:var(--spacing-md);border-left:3px solid var(--color-danger,#ef4444)}.error-msg:empty{display:none}@media (max-width:600px){.conversion-row{flex-direction:column;align-items:stretch}.conversion-row .math-input,.conversion-row .math-input:first-child{flex:1;min-width:auto}.conversion-arrow{text-align:center;padding:0}}