/* ====================================================================== */
/* == MÓDULO DE INPUTS DEL CONVERSOR v1.0 (UTM Hoy)                    == */
/* ====================================================================== */

/* --- Contenedor Principal --- */
.converter-inputs {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    max-width: 450px;
    margin: 2rem auto;
    position: relative; /* Clave para la animación */
}

/* --- Grupos de Input (UTM y CLP) --- */
.input-group {
    position: relative;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    width: 100%;
    min-width: 0;
    /* LA MAGIA DE LA ANIMACIÓN ESTÁ AQUÍ */
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.3s ease,
                order 0s 0.4s; /* El 'order' cambia después de la animación */
}

#leftGroup {
    order: 1; /* Posición inicial */
}

#rightGroup {
    order: 3; /* Posición inicial (el botón es el 2) */
}

#leftGroup:focus-within {
    border-color: var(--x-blue);
    box-shadow: var(--shadow-focus);
}

.input-group__label, .input-group__control {
    transition: color 0.2s ease; /* Transición suave al deshabilitar */
}

.input-group__label {
    position: absolute;
    top: 0.75rem;
    left: 1.25rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1;
    pointer-events: none;
}

.input-group__control {
    width: 100%;
    height: 72px;
    padding: 1.8rem 1.25rem 0.5rem 1.25rem;
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-primary);
    background-color: transparent;
    border: none;
    outline: none;
    text-align: left;
    -moz-appearance: textfield;
}
.input-group__control::-webkit-outer-spin-button,
.input-group__control::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.input-group__control:disabled {
    cursor: default;
    color: var(--text-secondary);
    opacity: 0.85;
}

/* --- Botones de Acción (Copiar, Limpiar) --- */
.input-action-btn {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    z-index: 2;
}
#rightInput, #leftInput { padding-right: 60px; }
#clearBtn { position: absolute; top: 50%; right: 12px; transform: translateY(-50%); z-index: 2; display: none; }

/* --- Botón de Intercambio (EL PROTAGONISTA) --- */
.swap-btn {
    order: 2; /* Siempre en el medio */
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-default);
    background-color: var(--bg);
    z-index: 10;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: rotate(90deg); /* Vertical en móvil por defecto */
}
.swap-btn:hover { background-color: var(--hover-bg); }

.desktop-icon { display: none; }
.mobile-icon { display: inline-block; }

/* --- ESTADOS DE LA ANIMACIÓN --- */
.converter-inputs.swapping-animation #leftGroup {
    transform: translateY(88px); /* 72px (alto) + 12px (gap) + 4px extra */
    opacity: 0.5;
}
.converter-inputs.swapping-animation #rightGroup {
    transform: translateY(-88px);
    opacity: 0.5;
}

/* --- ESTILOS PARA ESCRITORIO (min-width: 769px) --- */
@media (min-width: 769px) {
    .converter-inputs {
        flex-direction: row;
        align-items: stretch;
        gap: 1rem;
        max-width: 620px;
    }

    .input-group__control {
        height: 80px;
        font-size: 2.2rem;
    }

    .swap-btn {
        align-self: center;
        transform: none; /* Horizontal en escritorio */
    }

    .desktop-icon { display: inline-block; }
    .mobile-icon { display: none; }

    /* --- ESTADOS DE LA ANIMACIÓN (ESCRITORIO) --- */
    .converter-inputs.swapping-animation #leftGroup {
        transform: translateX(calc(100% + 1rem)); /* 100% del ancho + el gap */
    }
    .converter-inputs.swapping-animation #rightGroup {
        transform: translateX(calc(-100% - 1rem));
    }
}